Variable difficulty level Questions for Medical Students and Paramedics

Variable difficulty 120 Multiple-Choice Questions (MCQs) to practice now(High yeild)

~~Table of Contents(toc)~~

Set 1 (Initial 20 Questions)

Question: Which of the following is the most common cause of acute bronchitis?
- A) Bacterial infection
- B) Viral infection
- C) Allergens
- D) Smoking
- Answer: B) Viral infection

Question: What is the most likely complication of untreated hypertension (high blood pressure)?
- A) Stroke
- B) Asthma
- C) Acute Glomerulonephritis
- D) Tuberculosis
- Answer: A) Stroke

Question: A 50-year-old male presents with chest pain, sweating, and pain radiating to the left arm. What is the most probable diagnosis?
- A) Angina
- B) Myocardial Infarction (Heart Attack)
- C) Pericarditis
- D) Aortic Dissection
- Answer: B) Myocardial Infarction

Question: Which of the following is a common side effect of thiazide diuretics (water pills) used to manage hypertension?
- A) Hyperkalemia (High Potassium)
- B) Hypokalemia (Low Potassium)
- C) Hypercalcemia (High Calcium)
- D) Hyponatremia (Low Sodium)
- Answer: B) Hypokalemia

Question: Which of the following conditions is most associated with iron deficiency anemia?
- A) Sickle Cell Anemia
- B) Hemophilia
- C) Chronic Blood Loss
- D) Leukemia
- Answer: C) Chronic Blood Loss

Question: Which of the following is NOT a symptom of Parkinson’s disease?
- A) Tremors
- B) Bradykinesia (Slow movement)
- C) Hyperreflexia (Overactive reflexes)
- D) Muscle Rigidity
- Answer: C) Hyperreflexia

Question: A 45-year-old woman presents with unexplained weight gain, fatigue, and cold intolerance. She is diagnosed with hypothyroidism. What is the most likely cause?
- A) Autoimmune thyroiditis (Hashimoto’s disease)
- B) Graves’ disease
- C) Thyroid cancer
- D) Hyperparathyroidism
- Answer: A) Autoimmune thyroiditis

Question: Which of the following is the first-line treatment for acute gout (a sudden, painful attack)?
- A) Allopurinol
- B) Colchicine
- C) NSAIDs (Nonsteroidal Anti-inflammatory Drugs)
- D) Steroids
- Answer: C) NSAIDs

Question: A patient presents with fever, cough, and weight loss. A chest X-ray shows cavitary lesions in the upper lobes of the lungs. What is the most likely diagnosis?
- A) Pneumonia
- B) Tuberculosis (TB)
- C) Bronchial Carcinoma (Lung Cancer)
- D) Chronic Bronchitis
- Answer: B) Tuberculosis

Question: Which of the following is the hallmark (primary indicator) of diabetic ketoacidosis (DKA)?
- A) Hyperglycemia (High blood sugar)
- B) Metabolic Alkalosis
- C) Hypercalcemia
- D) Hypoglycemia (Low blood sugar)
- Answer: A) Hyperglycemia

Question: What is the most common presenting symptom of a cerebrovascular accident (CVA), commonly known as a stroke?
- A) Seizure
- B) Sudden headache
- C) Sudden loss of vision
- D) Sudden weakness or paralysis
- Answer: D) Sudden weakness or paralysis

Question: Which of the following is a major risk factor for developing ischemic heart disease (IHD)?
- A) Hypothyroidism
- B) Hyperthyroidism
- C) Hyperlipidemia (High cholesterol/fats in blood)
- D) Anemia
- Answer: C) Hyperlipidemia

Question: Which of the following is the most common cause of peptic ulcer disease?
- A) NSAIDs (medication)
- B) Stress
- C) H. pylori infection
- D) Alcohol consumption
- Answer: C) H. pylori infection

Question: A 40-year-old female presents with abdominal pain, jaundice (yellowing skin), and swelling in the abdomen (ascites). What is the most likely diagnosis?
- A) Acute Hepatitis
- B) Cirrhosis
- C) Pancreatitis
- D) Gallstones
- Answer: B) Cirrhosis

Question: What is the first-line medical treatment for hyperthyroidism (overactive thyroid) in the setting of Graves’ disease?
- A) Radioactive iodine
- B) Methimazole
- C) Propylthiouracil (PTU)
- D) Beta-blockers
- Answer: B) Methimazole

Question: What is the primary cause of chronic obstructive pulmonary disease (COPD)?
- A) Air pollution
- B) Tobacco smoking
- C) Occupational exposure
- D) Genetic factors
- Answer: B) Tobacco smoking

Question: Which of the following is a primary prevention strategy for colorectal cancer?
- A) Screening for blood in stool
- B) High-fiber diet
- C) Chemotherapy
- D) Surgical resection
- Answer: B) High-fiber diet

Question: What is the most common pathogen (germ) causing bacterial pneumonia in children?
- A) Streptococcus pneumoniae
- B) Haemophilus influenzae
- C) Mycoplasma pneumoniae
- D) Staphylococcus aureus
- Answer: A) Streptococcus pneumoniae

Question: Which of the following types of chronic viral hepatitis is a major cause of cirrhosis in adults?
- A) Hepatitis A
- B) Hepatitis B
- C) Hepatitis C
- D) Hepatitis E
- Answer: C) Hepatitis C

Question: What is a typical presentation of someone suffering from a myocardial infarction (heart attack)?
- A) Sudden onset of shortness of breath
- B) Persistent chest pain radiating to the left arm
- C) Pain in the upper abdomen
- D) Severe headache and blurred vision
- Answer: B) Persistent chest pain radiating to the left arm

Set 2 (Questions 21–40)

Question: Which of the following is a common complication of tuberculosis (TB)?
- A) Pneumothorax (Collapsed lung)
- B) Lung Abscess
- C) Asthma
- D) Pneumonia
- Answer: B) Lung Abscess

Question: A patient presents with fatigue, pallor, and tachycardia (rapid heart rate). Laboratory tests reveal microcytic anemia (small red blood cells). What is the most likely cause?
- A) Vitamin B12 deficiency
- B) Iron deficiency
- C) Folate deficiency
- D) Sickle cell anemia
- Answer: B) Iron deficiency

Question: What is the first-line treatment for anaphylaxis (a severe, life-threatening allergic reaction)?
- A) Antihistamines
- B) Intravenous fluids
- C) Epinephrine
- D) Corticosteroids
- Answer: C) Epinephrine

Question: Which of the following is the most common cause of acute renal (kidney) failure in hospitalized patients?
- A) Pre-renal causes (e.g., severe dehydration or low blood flow)
- B) Post-renal causes (e.g., obstruction)
- C) Intrinsic renal causes (damage to the kidney itself)
- D) Diabetes mellitus
- Answer: A) Pre-renal causes

Question: A 65-year-old male presents with shortness of breath, orthopnea (difficulty breathing when lying flat), and peripheral edema (swelling in the legs). What is the most likely diagnosis?
- A) Chronic obstructive pulmonary disease
- B) Congestive heart failure
- C) Asthma
- D) Pulmonary embolism
- Answer: B) Congestive heart failure

Question: What is the hallmark (primary indicator) of metabolic syndrome?
- A) Hypotension
- B) Hyperglycemia (High blood sugar)
- C) Hyperkalemia
- D) Hyperlipidemia
- Answer: B) Hyperglycemia

Question: Which of the following conditions is most commonly associated with polycythemia vera (a blood cancer characterized by too many red blood cells)?
- A) Leukemia
- B) Hypertension
- C) Splenomegaly (Enlarged spleen)
- D) Atrial fibrillation
- Answer: C) Splenomegaly

Question: A 3-year-old child presents with a barking cough and stridor (high-pitched breathing sound). What is the most likely diagnosis?
- A) Epiglottitis
- B) Croup
- C) Bronchiolitis
- D) Pneumonia
- Answer: B) Croup

Question: What is the most likely diagnosis for a patient presenting with a “butterfly” rash, joint pain, and a positive antinuclear antibody (ANA)?
- A) Rheumatoid arthritis
- B) Systemic lupus erythematosus (SLE)
- C) Osteoarthritis
- D) Ankylosing spondylitis
- Answer: B) Systemic lupus erythematosus

Question: Which of the following is a major risk factor for deep vein thrombosis (DVT)?
- A) Smoking
- B) Hypothyroidism
- C) Physical inactivity (Immobility)
- D) Hypercalcemia
- Answer: C) Physical inactivity

Question: A 60-year-old female presents with sudden onset of weakness in the right arm and leg. She has a history of hypertension. What is the most likely diagnosis?
- A) Seizure
- B) Stroke (Cerebrovascular accident)
- C) Peripheral artery disease
- D) Hypoglycemia
- Answer: B) Stroke

Question: What is the first-line medication treatment for major depressive disorder?
- A) Cognitive Behavioral Therapy (CBT)
- B) Electroconvulsive Therapy (ECT)
- C) Selective Serotonin Reuptake Inhibitors (SSRIs)
- D) Antipsychotic medications
- Answer: C) Selective Serotonin Reuptake Inhibitors (SSRIs)

Question: What is the most common pathogen responsible for bacterial meningitis in adults?
- A) Neisseria meningitidis
- B) Streptococcus pneumoniae
- C) Haemophilus influenzae
- D) Listeria monocytogenes
- Answer: B) Streptococcus pneumoniae

Question: What is the most common cause of acute pancreatitis (inflammation of the pancreas)?
- A) Viral infections
- B) Gallstones
- C) Alcohol consumption
- D) Autoimmune diseases
- Answer: B) Gallstones

Question: A 45-year-old woman with a history of rheumatoid arthritis presents with dry mouth, dry eyes, and difficulty swallowing. What is the most likely diagnosis?
- A) Systemic lupus erythematosus
- B) Sjogren’s syndrome
- C) Osteoarthritis
- D) Scleroderma
- Answer: B) Sjogren’s syndrome

Question: Which of the following is NOT a cause of liver cirrhosis?
- A) Chronic hepatitis B infection
- B) Chronic alcoholism
- C) Non-alcoholic fatty liver disease
- D) Cholelithiasis (Gallstones)
- Answer: D) Cholelithiasis

Question: A 40-year-old male presents with pain in his lower back and reduced range of motion. X-ray shows vertebral collapse. What is the most likely infectious diagnosis in a setting of bone and joint issues?
- A) Osteoarthritis
- B) Rheumatoid arthritis
- C) Tuberculosis of the spine (Pott’s disease)
- D) Compression fracture
- Answer: C) Tuberculosis of the spine

Question: A child presents with a persistent cough, wheezing, and chest tightness, which improve with bronchodilators. What is the most likely diagnosis?
- A) Bronchitis
- B) Asthma
- C) Pneumonia
- D) Tuberculosis
- Answer: B) Asthma

Question: A patient presents with a painful, swollen joint, especially in the big toe. What is the most likely diagnosis?
- A) Rheumatoid arthritis
- B) Gout
- C) Osteoarthritis
- D) Septic arthritis
- Answer: B) Gout

Question: Which of the following is a common side effect of long-term corticosteroid use?
- A) Osteoporosis
- B) Hypertension
- C) Hyperglycemia
- D) All of the above
- Answer: D) All of the above

Set 3 (Questions 41–60)

Question: What is the first-line medication treatment for an acute exacerbation (sudden worsening) of Chronic Obstructive Pulmonary Disease (COPD)?
- A) Antibiotics
- B) Oxygen therapy
- C) Bronchodilators
- D) Steroids
- Answer: C) Bronchodilators

Question: A 55-year-old male presents with a history of chest pain, sweating, and nausea. The ECG shows ST elevation. What is the most likely diagnosis?
- A) Acute myocardial infarction (STEMI)
- B) Angina
- C) Aortic dissection
- D) Pulmonary embolism
- Answer: A) Acute myocardial infarction

Question: Which of the following is a common microvascular (small blood vessel) complication of diabetes mellitus?
- A) Stroke
- B) Cataracts
- C) Retinopathy (Damage to the eyes)
- D) Osteoarthritis
- Answer: C) Retinopathy

Question: What is the most common cause of bacterial pneumonia in adults?
- A) Streptococcus pneumoniae
- B) Staphylococcus aureus
- C) Haemophilus influenzae
- D) Mycoplasma pneumoniae
- Answer: A) Streptococcus pneumoniae

Question: Which of the following is a characteristic feature of rheumatoid arthritis?
- A) Pain and swelling in large joints
- B) Joint deformities in small joints of hands and feet
- C) Pain in weight-bearing joints
- D) Absence of morning stiffness
- Answer: B) Joint deformities in small joints of hands and feet

Question: A patient presents with weakness, muscle cramps, and ECG changes of peaked T waves. What is the most likely diagnosis?
- A) Hyperkalemia (High potassium)
- B) Hypokalemia (Low potassium)
- C) Hypercalcemia
- D) Hypocalcemia
- Answer: A) Hyperkalemia

Question: A 30-year-old woman presents with a butterfly-shaped rash on her face, photosensitivity (sensitivity to light), and joint pain. What is the most likely diagnosis?
- A) Systemic lupus erythematosus (SLE)
- B) Rheumatoid arthritis
- C) Dermatomyositis
- D) Psoriasis
- Answer: A) Systemic lupus erythematosus

Question: A 45-year-old male with a history of alcohol abuse presents with jaundice, ascites (abdominal fluid), and spider angiomata (spider veins). What is the most likely diagnosis?
- A) Hepatitis B
- B) Hepatic cirrhosis
- C) Pancreatitis
- D) Non-alcoholic fatty liver disease
- Answer: B) Hepatic cirrhosis

Question: What is the most appropriate initial treatment for status epilepticus (a prolonged seizure or multiple seizures without recovery)?
- A) Oral anticonvulsants
- B) IV diazepam or lorazepam (Benzodiazepines)
- C) IV fluids
- D) Intramuscular phenytoin
- Answer: B) IV diazepam or lorazepam

Question: A 5-year-old child presents with a history of fever, painful swollen joints, and a rash. This constellation of symptoms after a throat infection suggests which diagnosis?
- A) Rheumatic fever
- B) Kawasaki disease
- C) Systemic lupus erythematosus
- D) Chickenpox
- Answer: A) Rheumatic fever

Question: Which of the following is a common cause of acute glomerulonephritis (kidney inflammation) in children following a throat or skin infection?
- A) Staphylococcus aureus
- B) Escherichia coli
- C) Group A Streptococcus (Post-streptococcal glomerulonephritis)
- D) Pseudomonas aeruginosa
- Answer: C) Group A Streptococcus

Question: What is the most common presentation of a myocardial infarction (heart attack) in a diabetic patient?
- A) Severe chest pain
- B) Shortness of breath
- C) Asymptomatic or mild symptoms (Silent MI)
- D) Nausea and vomiting
- Answer: C) Asymptomatic or mild symptoms

Question: A 35-year-old woman presents with abdominal pain, weight loss, and a palpable mass in her abdomen. What is a serious malignancy that should be considered?
- A) Ovarian cyst
- B) Colorectal carcinoma (Colon cancer)
- C) Irritable bowel syndrome
- D) Acute pancreatitis
- Answer: B) Colorectal carcinoma

Question: A patient presents with complaints of a new mole that is Asymmetrical, with irregular Borders, has multiple Colors, and a large Diameter (ABCDE rule). What is the most likely diagnosis?
- A) Squamous cell carcinoma
- B) Melanoma
- C) Basal cell carcinoma
- D) Seborrheic keratosis
- Answer: B) Melanoma

Question: A patient presents with a painful red eye and blurred vision after trauma. The slit-lamp exam reveals hypopyon (pus in the anterior chamber). What is the most likely diagnosis?
- A) Conjunctivitis
- B) Corneal ulcer
- C) Acute angle-closure glaucoma
- D) Uveitis (Inflammation of the middle layer of the eye)
- Answer: D) Uveitis

Question: Which of the following is a typical feature of asthma?
- A) Unilateral chest pain
- B) Wheezing and shortness of breath
- C) Cyanosis and edema
- D) Hemoptysis (Coughing up blood)
- Answer: B) Wheezing and shortness of breath

Question: Which of the following is the treatment of choice for a patient with acute cholecystitis (inflammation of the gallbladder)?
- A) Antibiotics alone
- B) Surgery (cholecystectomy)
- C) Endoscopic retrograde cholangiopancreatography (ERCP)
- D) Percutaneous drainage
- Answer: B) Surgery (cholecystectomy)

Question: A 25-year-old female presents with fever, headache, and a stiff neck. The CSF analysis shows an elevated white blood cell count, low glucose, and high protein. What is the most likely diagnosis?
- A) Viral meningitis
- B) Bacterial meningitis
- C) Tuberculous meningitis
- D) Fungal meningitis
- Answer: B) Bacterial meningitis

Question: A 50-year-old male presents with jaundice, pruritus (itching), and dark-colored urine. His liver function tests show elevated bilirubin and alkaline phosphatase. What is the most likely diagnosis, indicating bile flow obstruction?
- A) Acute hepatitis
- B) Hepatic cirrhosis
- C) Cholelithiasis
- D) Cholestasis (Impaired bile flow)
- Answer: D) Cholestasis

Question: A patient presents with sudden onset of severe, colicky abdominal pain, bloating, and constipation. On examination, there is absent bowel sounds. What is the most likely diagnosis?
- A) Acute pancreatitis
- B) Intestinal obstruction
- C) Irritable bowel syndrome
- D) Appendicitis
- Answer: B) Intestinal obstruction

Set 4 (Questions 61–80, Higher Difficulty)

Question: Which of the following is the most common cause of secondary hypertension (high blood pressure caused by another condition) in young adults?
- A) Pheochromocytoma
- B) Renal parenchymal disease (Kidney tissue disease)
- C) Coarctation of the aorta
- D) Hyperaldosteronism
- Answer: B) Renal parenchymal disease

Question: A patient with chronic obstructive pulmonary disease (COPD) presents with a productive cough, shortness of breath, and a barrel chest (emphysema type). Which of the following physical examination findings would you expect?
- A) Decreased tactile fremitus
- B) Increased tactile fremitus
- C) Decreased resonance on percussion
- D) Hyperresonance on percussion
- Answer: D) Hyperresonance on percussion

Question: The characteristic “bamboo spine” appearance on X-ray, due to fusion of vertebrae, is associated with which of the following diseases?
- A) Rheumatoid arthritis
- B) Ankylosing spondylitis
- C) Osteoarthritis
- D) Psoriatic arthritis
- Answer: B) Ankylosing spondylitis

Question: Which of the following is the first-line treatment for a patient with acute pancreatitis (inflammation of the pancreas)?
- A) Intravenous fluids
- B) Antibiotics
- C) Surgical resection
- D) Insulin therapy
- Answer: A) Intravenous fluids

Question: A 40-year-old male presents with a history of fever, night sweats, and weight loss. Chest X-ray shows a cavitary lesion in the upper lobe of the lung. Which of the following is the most likely diagnosis?
- A) Pulmonary tuberculosis
- B) Lung cancer
- C) Histoplasmosis
- D) Pneumocystis pneumonia
- Answer: A) Pulmonary tuberculosis

Question: What is the most common and life-threatening complication of deep vein thrombosis (DVT)?
- A) Pulmonary embolism
- B) Stroke
- C) Myocardial infarction
- D) Renal failure
- Answer: A) Pulmonary embolism

Question: In a patient with suspected bacterial meningitis, which of the following is the most appropriate initial step after drawing blood cultures but before a lumbar puncture, if there are no signs of increased intracranial pressure?
- A) CT scan of the brain
- B) Blood cultures
- C) Lumbar puncture for cerebrospinal fluid analysis
- D) Administer broad-spectrum antibiotics
- Answer: C) Lumbar puncture for cerebrospinal fluid analysis (Note: In practice, antibiotics are often given immediately after cultures if LP is delayed by CT scan.)

Question: Which of the following is the hallmark finding of nephrotic syndrome?
- A) Hematuria
- B) Proteinuria greater than 3.5 g/day
- C) Hypertension
- D) Hyperkalemia
- Answer: B) Proteinuria greater than 3.5 g/day

Question: A 28-year-old woman presents with amenorrhea (absence of periods), hirsutism (excess hair), and obesity. She also has acne and irregular periods. The most likely diagnosis is:
- A) Polycystic ovary syndrome (PCOS)
- B) Primary ovarian insufficiency
- C) Hyperprolactinemia
- D) Pituitary adenoma
- Answer: A) Polycystic ovary syndrome (PCOS)

Question: The most common presenting symptom of acute myocardial infarction (heart attack) is:
- A) Palpitations
- B) Chest pain
- C) Shortness of breath
- D) Nausea and vomiting
- Answer: B) Chest pain

Question: Which of the following is the characteristic microscopic finding in Guillain-Barré syndrome (an acute paralytic illness)?
- A) Wallerian degeneration
- B) Axonal swelling
- C) Demyelination of peripheral nerves
- D) Gliosis
- Answer: C) Demyelination of peripheral nerves

Question: Which of the following medications is commonly used as the initial, long-term anti-thyroid drug in the management of hyperthyroidism due to Graves’ disease?
- A) Methimazole
- B) Levothyroxine
- C) Propylthiouracil
- D) Iodine 131
- Answer: A) Methimazole

Question: A patient presents with difficulty swallowing, hoarseness of voice, and a hard, non-mobile thyroid nodule. The most likely, and most aggressive, diagnosis is:
- A) Benign thyroid adenoma
- B) Subacute thyroiditis
- C) Papillary thyroid carcinoma (Most common thyroid cancer type)
- D) Hashimoto’s thyroiditis
- Answer: C) Papillary thyroid carcinoma

Question: What is the most common site for an acute ischemic cerebrovascular accident (stroke)?
- A) Middle cerebral artery
- B) Anterior cerebral artery
- C) Posterior cerebral artery
- D) Vertebral artery
- Answer: A) Middle cerebral artery

Question: Which of the following blood tests is the most sensitive screening tool for diagnosing systemic lupus erythematosus (SLE)?
- A) Antinuclear antibody (ANA)
- B) C-reactive protein (CRP)
- C) Rheumatoid factor (RF)
- D) Complete blood count (CBC)
- Answer: A) Antinuclear antibody (ANA)

Question: A patient with a history of alcoholism presents with the triad of confusion, ataxia (uncoordinated gait), and ophthalmoplegia (eye movement abnormalities). What is the most likely diagnosis?
- A) Korsakoff syndrome
- B) Wernicke encephalopathy (Thiamine deficiency)
- C) Alcoholic hallucinosis
- D) Alcoholic liver disease
- Answer: B) Wernicke encephalopathy

Question: Which of the following is the first-line rescue treatment for a patient with acute asthma exacerbation?
- A) Inhaled corticosteroids
- B) Oral corticosteroids
- C) Beta-agonists (e.g., albuterol/salbutamol)
- D) Theophylline
- Answer: C) Beta-agonists (e.g., albuterol)

Question: Which of the following endocrine disorders is most likely to cause both hypo- and hyperkalemia (abnormal potassium levels) over its clinical course, though often causes hypokalemia?
- A) Primary hyperaldosteronism
- B) Cushing’s syndrome
- C) Pheochromocytoma
- D) Hyperthyroidism
- Answer: A) Primary hyperaldosteronism

Question: A patient is diagnosed with tuberculosis and is started on anti-tuberculosis treatment. Which of the following is the most common, non-pathological, and easily recognizable side effect of rifampin?
- A) Hepatotoxicity
- B) Hemolytic anemia
- C) Orange discoloration of urine
- D) Nephrotoxicity
- Answer: C) Orange discoloration of urine

Question: A 55-year-old male with a history of hypertension presents with sudden, severe “thunderclap” headache, vomiting, and altered mental status. On examination, he has neck stiffness. What is the most likely hemorrhagic diagnosis?
- A) Subarachnoid hemorrhage
- B) Ischemic Stroke
- C) Meningitis
- D) Acute glaucoma
- Answer: A) Subarachnoid hemorrhage

Set 5 (Questions 81–100, Slightly Higher Difficulty)

Question: Which of the following is a common complication of chronic obstructive pulmonary disease (COPD) that indicates a failure of gas exchange?
- A) Pulmonary embolism
- B) Respiratory acidosis
- C) Pleural effusion
- D) Pneumothorax
- Answer: B) Respiratory acidosis

Question: What is the most common cause of hyperkalemia (high potassium) in patients with acute renal failure that specifically involves direct kidney damage?
- A) Metabolic alkalosis
- B) Severe dehydration
- C) Renal tubular acidosis
- D) Acute tubular necrosis (ATN)
- Answer: D) Acute tubular necrosis

Question: Which of the following is the most reliable test for definitively diagnosing active tuberculosis in a patient with a chronic cough and weight loss?
- A) Sputum culture for Mycobacterium tuberculosis
- B) Chest X-ray
- C) Tuberculin skin test (PPD)
- D) Interferon-gamma release assay (IGRA)
- Answer: A) Sputum culture for Mycobacterium tuberculosis

Question: In regions like Nepal, which of the following is a common cause of hepatocellular carcinoma (liver cancer) linked to a chronic infection?
- A) Chronic alcohol use
- B) Hepatitis B infection
- C) Non-alcoholic fatty liver disease
- D) Hemochromatosis
- Answer: B) Hepatitis B infection

Question: In a patient with acute pancreatitis, which of the following enzymes is typically elevated for the longest duration, making it a reliable diagnostic marker?
- A) Amylase
- B) Lipase
- C) Alkaline phosphatase
- D) Alanine aminotransferase (ALT)
- Answer: B) Lipase

Question: Which of the following is a known, life-threatening complication of untreated hyperthyroidism?
- A) Myxedema coma
- B) Graves’ disease (The cause, not complication)
- C) Thyroid storm
- D) Cushing’s syndrome
- Answer: C) Thyroid storm

Question: Which of the following medications is a rescue inhaler used to treat acute asthma exacerbation?
- A) Long-acting beta-agonist (LABA)
- B) Inhaled corticosteroids (ICS)
- C) Short-acting beta-agonist (SABA)
- D) Leukotriene receptor antagonists
- Answer: C) Short-acting beta-agonist

Question: Which of the following is the most important first-line medication in the immediate management of a patient with an acute myocardial infarction (heart attack)?
- A) Thrombolytic therapy
- B) Angiotensin-converting enzyme inhibitors
- C) Antiplatelet agents (Aspirin)
- D) Beta-blockers
- Answer: C) Antiplatelet agents (Specifically Aspirin)

Question: Which of the following is a highly specific characteristic feature of Systemic Lupus Erythematosus (SLE)?
- A) Joint pain without swelling
- B) Butterfly-shaped rash across the cheeks and nose (Malar rash)
- C) Raynaud’s phenomenon
- D) Elevated liver enzymes
- Answer: B) Butterfly-shaped rash across the cheeks and nose

Question: In a patient with chronic heart failure, which of the following is the most common cause of right-sided heart failure?
- A) Left ventricular failure (Most common in modern countries)
- B) Pulmonary hypertension (Can be a cause, but LVF is the most common precursor)
- C) Coronary artery disease
- D) Aortic valve stenosis
- Answer: A) Left ventricular failure

Question: Which of the following is the classic characteristic feature of Guillain-Barré syndrome (an autoimmune disorder of the peripheral nervous system)?
- A) Ascending paralysis (Starting in the feet and moving up)
- B) Reflex hyperactivity (Hyporeflexia/areflexia is typical)
- C) Muscle weakness of the upper limbs only
- D) Presence of Babinski sign
- Answer: A) Ascending paralysis

Question: Which of the following is the preferred initial diagnostic test for a patient with suspected acute stroke to differentiate between ischemic and hemorrhagic causes?
- A) MRI of the brain
- B) CT scan of the brain without contrast
- C) Cerebral angiography
- D) Electroencephalogram (EEG)
- Answer: B) CT scan of the brain without contrast

Question: Which of the following is the most common type of primary carcinoma (cancer) in the lungs, particularly in non-smokers and women?
- A) Small cell lung cancer
- B) Squamous cell carcinoma
- C) Adenocarcinoma
- D) Large cell carcinoma
- Answer: C) Adenocarcinoma

Question: Which of the following is a typical clinical feature of acute appendicitis?
- A) Severe right upper quadrant pain
- B) Periumbilical pain that shifts to the right lower quadrant
- C) Left lower quadrant tenderness
- D) Pain with deep inspiration
- Answer: B) Periumbilical pain that shifts to the right lower quadrant

Question: What is the primary cause of the elevated intracranial pressure in a patient with severe traumatic brain injury?
- A) Cerebral edema (Swelling of the brain tissue)
- B) Subdural hematoma
- C) Epidural hematoma
- D) Brain herniation
- Answer: A) Cerebral edema

Question: Which of the following is a characteristic feature of Cushing’s syndrome (excess cortisol)?
- A) Hypotension
- B) Hypoglycemia
- C) Weight gain with central obesity (Truncal obesity)
- D) Hyperkalemia
- Answer: C) Weight gain with central obesity

Question: What is the most common cause of bacterial meningitis in adults, specifically in community-acquired cases?
- A) Streptococcus pneumoniae
- B) Neisseria meningitidis
- C) Haemophilus influenzae
- D) Listeria monocytogenes
- Answer: A) Streptococcus pneumoniae

Question: What is the most common type of anemia globally and in developing countries like Nepal?
- A) Pernicious anemia
- B) Iron-deficiency anemia
- C) Sickle cell anemia
- D) Thalassemia
- Answer: B) Iron-deficiency anemia

Question: Which of the following is a long-term complication of untreated acute glomerulonephritis?
- A) Chronic renal failure
- B) Nephrotic syndrome
- C) Renal tubular acidosis
- D) Hypertension
- Answer: A) Chronic renal failure

Question: Which of the following is the most common cause of upper gastrointestinal bleeding?

* A) Peptic ulcer disease

* B) Esophageal varices

* C) Gastritis

* D) Mallory-Weiss tear

* Answer: A) Peptic ulcer disease

Set 6 (Questions 101–120, Highest Difficulty)

Question: A patient presents with sudden onset of hemiparesis (one-sided weakness), aphasia (speech difficulty), and a CT scan shows a well-defined dark area (infarct) in the middle cerebral artery territory. Which of the following is the most likely diagnosis?

* A) Cerebral venous thrombosis

* B) Cerebrovascular accident (Ischemic Stroke)

* C) Meningitis

* D) Encephalitis

* Answer: B) Cerebrovascular accident

Question: Which of the following is the complete hallmark sign of diabetic ketoacidosis (DKA)?

* A) Hyperkalemia

* B) Hypoglycemia

* C) Hyperglycemia with metabolic acidosis

* D) Hyponatremia

* Answer: C) Hyperglycemia with metabolic acidosis

Question: In a patient with rheumatoid arthritis, which of the following findings is most characteristic of the earliest stages on X-ray?

* A) Joint space narrowing

* B) Bone sclerosis

* C) Subchondral cysts

* D) Osteophytes

* Answer: A) Joint space narrowing

Question: Which of the following is a common, specific, and unique feature of Graves’ disease (Hyperthyroidism)?

* A) Hypothyroidism

* B) Pretibial myxedema (Skin thickening on the shins)

* C) Goiter without exophthalmos

* D) Weight gain

* Answer: B) Pretibial myxedema

Question: A 45-year-old man presents with worsening shortness of breath, crackles (rales) on chest auscultation, and edema. His ECG shows signs of left ventricular hypertrophy. What is the most likely diagnosis?

* A) Acute myocardial infarction

* B) Chronic obstructive pulmonary disease

* C) Congestive heart failure

* D) Pulmonary embolism

* Answer: C) Congestive heart failure

Question: Which of the following is a key, highly sensitive diagnostic criterion for a diagnosis of systemic lupus erythematosus (SLE)?

* A) Positive antinuclear antibodies (ANA)

* B) Hyperkalemia

* C) Decreased creatinine clearance

* D) Absence of malar rash

* Answer: A) Positive antinuclear antibodies (ANA)

Question: What is the most appropriate initial medication for a patient in status epilepticus (prolonged or repeated seizures)?

* A) Intravenous diazepam

* B) Intravenous phenytoin

* C) Intravenous lorazepam

* D) Oral carbamazepine

* Answer: C) Intravenous lorazepam (Often preferred over diazepam due to longer duration of action)

Question: What is the most appropriate management for a patient with acute bacterial meningitis after obtaining blood cultures and immediately following a confirmed or highly suspected diagnosis?

* A) Intravenous acyclovir

* B) Intravenous antibiotics targeting Streptococcus pneumoniae (Initial broad-spectrum is often used, but S. pneumoniae is the primary target)

* C) Oral antivirals

* D) Supportive care with corticosteroids

* Answer: B) Intravenous antibiotics targeting Streptococcus pneumoniae

Question: What is the most likely cause of an isolated elevated ALT (alanine aminotransferase) level in a patient with a history of chronic alcohol consumption, where the AST:ALT ratio is typically greater than 2:1?

* A) Hepatitis B

* B) Hepatitis C

* C) Alcoholic liver disease

* D) Non-alcoholic fatty liver disease

* Answer: C) Alcoholic liver disease

Question: Which of the following is the most common organism responsible for causing hospital-acquired pneumonia (HAP), particularly in critically ill patients?

* A) Streptococcus pneumoniae

* B) Haemophilus influenzae

* C) Methicillin-resistant Staphylococcus aureus (MRSA)

* D) Mycoplasma pneumoniae

* Answer: C) Methicillin-resistant Staphylococcus aureus (MRSA)

Question: In a patient with iron-deficiency anemia, which of the following is the most likely laboratory finding that directly indicates low iron stores?

* A) Increased serum ferritin

* B) Decreased serum iron

* C) Increased serum vitamin B12

* D) Elevated mean corpuscular volume (MCV)

* Answer: B) Decreased serum iron

Question: In a patient with an acute myocardial infarction, which of the following is the most important first step in management upon presentation?

* A) Intravenous morphine

* B) Oxygen therapy

* C) Aspirin administration (Immediate antiplatelet therapy)

* D) Thrombolysis

* Answer: C) Aspirin administration

Question: Which of the following is the best indicator of proteinuria, and thus the best indicator of kidney damage, in a patient with nephrotic syndrome?

* A) Serum creatinine

* B) Urinary albumin-to-creatinine ratio

* C) Serum potassium levels

* D) Blood urea nitrogen (BUN)

* Answer: B) Urinary albumin-to-creatinine ratio

Question: Which of the following is most commonly associated with a sudden onset of pleuritic chest pain (pain with breathing), dyspnea (shortness of breath), and an elevated D-dimer level?

* A) Acute myocardial infarction

* B) Pulmonary embolism

* C) Pneumonia

* D) Tuberculosis

* Answer: B) Pulmonary embolism

Question: Which of the following is a characteristic feature of Parkinson’s disease?

* A) Hyperreflexia

* B) Resting tremor

* C) Muscle weakness

* D) Visual hallucinations

* Answer: B) Resting tremor

Question: A 50-year-old woman presents with dysphagia (difficulty swallowing), regurgitation, and weight loss. Endoscopy reveals a tumor in the lower esophagus. What is the most likely malignant diagnosis?

* A) Achalasia

* B) Gastroesophageal reflux disease (GERD)

* C) Esophageal carcinoma

* D) Esophageal varices

* Answer: C) Esophageal carcinoma

Question: Which of the following is a major local complication of acute pancreatitis that can present weeks later?

* A) Peritonitis

* B) Pancreatic pseudocyst

* C) Hepatic encephalopathy

* D) Gastrointestinal bleeding

* Answer: B) Pancreatic pseudocyst

Question: In a patient with established hypertension and persistent proteinuria (protein in the urine), which of the following is the most likely long-term renal complication?

* A) Glomerulonephritis

* B) Chronic kidney disease

* C) Nephrotic syndrome

* D) Nephritic syndrome

* Answer: B) Chronic kidney disease

Question: What is the most common cause of acute viral hepatitis in Nepal?

* A) Hepatitis A virus

* B) Hepatitis B virus

* C) Hepatitis C virus

* D) Hepatitis E virus

* Answer: D) Hepatitis E virus (The user’s previous set suggested Hepatitis A, but D is more regionally relevant for a water-borne epidemic)

Question: A patient presents with a history of fever, malaise, and a characteristic butterfly-shaped rash on the face. What is the most likely systemic autoimmune diagnosis?

* A) Rheumatoid arthritis

* B) Systemic lupus erythematosus

* C) Dermatomyositis

* D) Sjogren’s syndrome

* Answer: B) Systemic lupus erythematosus