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 […]
usmle step 1
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 1- 325
Q- During normal inspiration, the diaphragm: A- Contracts B- Does not move C- Relaxes Q- Which of the following is the most common type of testicular cancer? A- Granulosa cell tumor B- Leydig cell tumor C- Seminoma D- Teratoma Q- Which of the following is the most common primary disturbance of acid-base balance in pregnant […]
Pharmacology MCQs- 244
Q- Which of the following is the most common cause of adverse drug reactions? A- Allergic reaction B- Dosage discrepancy C- Idiosyncrasy D- Non-compliance Q- Drug distribution into tissues depends mostly on which of the following? A- Binding to plasma protein B- Interaction with other drugs C- Rate of absorption D- Tissue receptors Q- Which […]
Repeated USMLE Questions Step 1- 324
Q- Which one of the following phases of the cell cycle is affected by binding p53 to DNA? A- G0 B- G1 C- G2 D- M Q- Meissner’s plexus of nerves is located within which layer of the gastrointestinal tract? A- External layer B- Mucosa C- Muscularis Externa D- Submucosa Q- Which of the following […]
Pharmacology MCQs- 243
Q- Which one of the following antihypertensive medications is appropriate to use for an asthmatic patient? A- Labetalol B- Metoprolol C- Propranolol D- Timolol Q- Which one of the following neurologic drugs can cause diplopia, thickened gums and hirsutism? A- Carbamazepine B- Phenobarbital C- Phenytoin D- Valproic acid Q- Which of the following treatments should […]