Free Questions and Answers for All Medical Students all over the World
Q- A 55-year-old man with a long history of alcohol use presents with abdominal distension. Physical exam reveals shifting dullness and spider angiomas on the chest. His lab results are: total bilirubin 3.2 mg/dL, albumin 2.1 g/dL, and an INR of 1.9. Which of the following best explains the pathophysiology of his condition? A- Autoimmune … Read more
Q- A 72-year-old man with chronic obstructive pulmonary disease (COPD) presents with worsening dyspnea and cough producing purulent sputum. His O₂ saturation is 85% on room air. Which of the following is the best initial treatment? A- Oral prednisone and broad-spectrum antibiotics B- Oxygen to maintain SpO₂ between 88% and 92% C- Immediate intubation and … Read more
Q- Which of the following best describes the mechanism of action of carvedilol in treating high blood pressure? A- Calcium channel blocker in vascular smooth muscle B- Central α₂-adrenergic stimulation C- Nonselective β-adrenergic blockade with α₁-adrenergic blockade D- Selective β₁-adrenergic blockade only Q- Which of the following best describes the mechanism of action of … Read more
Q- A patient with hypertension and gout needs a prescription for a diuretic. Which one of the following drugs should be avoided? A- Amiloride B- Furosemide C- Hydrochlorothiazide D- Spironolactone Q- Which of the following antibiotics is most likely to cause pseudomembranous colitis due to Clostridium difficile? A- Ampicillin B- Ciprofloxacin C- Clindamycin D- … Read more
Q- Which one of the following laboratory tests can differentiate primary aldosteronism from secondary aldosteronism? A- Plasma aldosterone concentration B- Plasma renin activity C- Serum cortisol D- Serum sodium Q- Which one of the following is the most frequent form of pericarditis associated with myocardial infarction? A- Constrictive pericarditis B- Fibrinous pericarditis C- Hemorrhagic … Read more
Q- Routine prophylactic eye antimicrobial therapy is administered to all newborns to prevent blindness caused by which of the following organisms? A- Chlamydia trachomatis B- Cytomegalovirus C- Herpes simplex virus D- Neisseria gonorrhea E- Toxoplasma gondii Q- Which of the following is the most common cause of clonic seizures in the first 24 hours … Read more