Q- Which of the following is the main reaction of hepatic cytochrome P-450 in metabolism? A- Binding with glucuronic acid B- Binding with glutathione C- Hydroxylation D- Methylation Q- Which of the following is/are the most likely biopsy features seen in Celiac disease? A- Crypt abscesses with excess neutrophils B- Flattening of villi with excess […]
repeated usmle questions
Pharmacology MCQs- 246
Q- Which of the following is a frequent side effect of amphetamine? A- Constipation B- Depression C- Diarrhea D- Hair loss Q- Pharmacokinetics of a drug is defined as which one of the following? A- Amount of drug needed to produce an effect B- Effect of a drug on certain body systems C- Reaction of […]
Repeated USMLE Questions Step 2 CK- 455
Q- Which one of the following reactions occurs between five days and three months after transplant? A- Hyperacute rejection B- Acute rejection C- Chronic rejection D- Delayed rejection Q- Which of the following signs of infective endocarditis appears as small, tender nodules on the finger and toe pads? A- Janeway lesions B- Osler nodes C- […]
Repeated USMLE Questions Step 1- 326
Q- Pancreatic exocrine secretions empty into the duodenum through which one of the following? A- Accessory pancreatic duct B- Common bile duct C- Duct of Santorini D- Duct of Wirsung Q- Which one of the following enzymes catalyzes the transformation of testosterone into DHT? A- 17α-hydroxylase B- 5 α-reductase C- Aromatase D- Cholesterol side chain […]
Pharmacology MCQs- 245
Q- Which one of the following defines the drug efficacy? A- The capacity a drug to affect a condition irrespective of the dose B- The dose of a drug needed to produce a maximal effect C- The impact of the drug on a wide range of patients D- The minimal amount of drug administered that […]
Repeated USMLE Questions Step 2 CK- 454
Q- What is the most common cause of abdominal aortic aneurysm? A- Atherosclerosis B- Complication of coronary artery disease C- Post-inflammatory D- Post-operative Q- A patient represents with a neck mass. Which of the following suggests the possibility of cancer? A- History of hoarseness of voice for 3 months B- History of hypothyroidism C- Pain […]