Pharmacology MCQs- 261

Q- Which one of the following medications inhibits protein synthesis by binding to 50S subunit and preventing the formation of the initiation complex? A- Azithromycin B- Clindamycin C- Linezolid D- Minocycline Q- Which of the following substances is used in mercury poisoning? A- Flumazenil B- Fomepizole C- Methylene blue D- Succimer Q- Which of the … Read more

Repeated USMLE Questions Step 2 CK- 470

Q- Which of the following is a characteristic finding in isopropanol poisoning? A- Blindness due to ocular accumulation B- Elevated anion gap C- Elevated serum BUN and creatinine D- Ketosis without acidosis Q- Which of the following is a major complication of central retinal veins occlusion? A- Cataract B- Glaucoma C- Lens subluxation D- Retinal … Read more

Pharmacology MCQs- 260

Q- Which of the following group of medications prolongs GABA activity in the brain? A- Alcohols B- Barbiturates C- Benzodiazepines D- Methamphetamines Q- Which of the following medications inhibits folic acid synthesis through its effect on dihydropteroate synthetase enzyme? A- Methotrexate B- Pyrimethamine C- Sulfonamides D- Trimethoprim Q- Which of the following is the mechanism … Read more

Repeated USMLE Questions Step 2 CK- 469

Q- Which one of the following is the best first step of action for a case of posterior myocardial infarction? A- Aspirin 325 mg administration B- Metoprolol 60 mg administration C- Stress test D- Tissue plasminogen activator Q- Which of the following characterized by painless blisters on the back of the hands with friable surrounding … Read more

Repeated USMLE Questions Step 1- 340

Q- At which of these vertebral levels does the trachea bifurcate? A- Seventh cervical B- First thoracic C- Fourth thoracic D- Sixth thoracic Q- Which of the following differentiates Dubin-Johnson syndrome from Rotor syndrome? A- Black pigmentation of the liver B- Conjugated hyperbilirubinemia C- Level of liver enzymes D- Mode of inheritance Q- Which one … Read more