Repeated USMLE Questions- Pharmacology- 273

Q- A certain drug has a high serum protein binding. Which of the following is increased as a result of injecting this drug? A- Distribution of the drug B- Drug interaction C- Liver metabolism D- Renal excretion Q- Administration of spironolactone and furosemide leads to which of the following? A- Increase potassium loss B- Reduce … Read more

Repeated USMLE Questions Step 1- Review- 366

Q- Which of the following cell types is responsible for forming the blood brain barrier (BBB)? A- Astrocytes B- Microglia C- Oligodendrocytes D- Schwann cells Q- Which of the following esophageal disorders is the most likely a complication of HIV infection? A- Achalasia B- Adenocarcinoma C- Candida esophagitis D- Esophageal varices Q- Which of the … Read more

Repeated USMLE Questions- Pharmacology- 272

Q- Reflex bradycardia caused by alpha-1-agonists is blocked by which of the following medications? A- Adrenaline B- Atropine C- Metoprolol D- Phenylephrine Q- A 400 mg dose of a drug was administered and 200 mg of it was eliminated after two hours. Which of the following is the amount of drug left after six hours … Read more

Repeated USMLE Questions Step 1- Review- 365

Q- The anterior pituitary is derived from which of the following structures? A- Infundibulum B- Neurohypophysis C- Rathke’s pouch D- Third pharyngeal arch Q- Which one of the following is most likely normal in duodenal ulcer? A- Fasting serum gastrin B- Parietal cell mass C- Pepsin secretion D- Response of gastrin to food Q- Deficiency … Read more

Repeated USMLE Questions- Pharmacology- 271

Q- Which one of the following medications has a significant alpha-adrenergic blocking activity? A- Chlorpromazine B- Clozapine C- Haloperidol D- Risperidone   Q- Which of the following effects is caused by alcohol intake? A- Decreased body heat loss B- Increased body heat loss C- Increased body temperature D- No effect on body temperature or body … Read more

Repeated USMLE Questions Step 1- Review- 364

Q- Which one of the following autoantibodies is associated with Goodpasture syndrome? A- Anti-Ach receptor B- Anti-basement membrane C- Anti-centromere D- Anti-histone Q- Deficiency of which of the following enzymes most likely result in the development of Cori disease? A- Debranching enzyme (alpha-1,6-glucoside) B- Glucose-6-phosphatase C- Lysosomal alpha-1,4 glucosidase D- Muscle glycogen phosphorylase Q- Which … Read more