Repeated USMLE Questions Step 2 CK- Review- 48

Q- A 60-year-old man with a history of alcohol use presents with vomiting of bright red blood. He is hypotensive and tachycardic. Endoscopy reveals dilated veins in the lower esophagus. What is the best initial management step? A- Beta-blocker therapy B- Endoscopic band ligation C- IV octreotide and fluid resuscitation D- IV proton pump inhibitor … Read more

Repeated USMLE Questions Step 1 Review-149- Pharmacology

Q- A 25-year-old woman is taking oral contraceptive pills (OCPs). Which antibiotic can decrease the effectiveness of her contraceptive therapy? A- Amoxicillin B- Azithromycin C- Ciprofloxacin D- Rifampin   Q- A 60-year-old man with benign prostatic hyperplasia (BPH) and hypertension is prescribed terazosin. Which of the following adverse effects should he be warned about? A- … Read more

Repeated USMLE Questions Step 1 Review-148- Pharmacology

Q- A 32-year-old man presents with dry mouth, blurred vision, and urinary retention after taking an over-the-counter cold medication. Which component is most likely responsible for these symptoms? A- Dextromethorphan B- Diphenhydramine C- Guaifenesin D- Phenylephrine   Q- A 45-year-old woman treated with methimazole for hyperthyroidism develops fever and sore throat. What is the most … Read more

Repeated USMLE Questions Step 1- Review- 147

Q- A 3-year-old boy has recurrent infections, thrombocytopenia, and eczema. Labs show prolonged bleeding time and low IgM. Which mutation is most likely responsible? A-Adenosine deaminase deficiency B-Bruton tyrosine kinase mutation C-CD18 gene defect D-WASP gene mutation   Q- A newborn has a continuous machinery-like murmur. What embryologic structure failed to close? A-Bulbus cordis B-Ductus … Read more

Repeated USMLE Questions Step 2 CK- Review- 47

Q- A 35-year-old man presents with chest pain that worsens when lying flat and improves when leaning forward. ECG shows diffuse ST-segment elevation and PR depression. What is the most likely diagnosis? A- Aortic dissection B- Myocardial infarction C- Pericarditis D- Pulmonary embolism   Q- A 64-year-old man presents with fever, productive cough, and pleuritic … Read more

Repeated USMLE Questions Step 1 Review- 146- Pharmacology

Q- A 40-year-old man is treated with chloramphenicol for a severe infection. Later, he develops pancytopenia. What is the most likely mechanism of this adverse effect? A- Immune-mediated hemolysis B- Irreversible aplastic anemia C- Megaloblastic anemia due to folate deficiency   Q- A 70-year-old woman with hypertension and type 2 diabetes is started on a … Read more