Repeated USMLE Questions Step 1- Pharmacology MCQs- 293

Q- Which one of the following drugs is the most fatal in drug’s overdose?

A- Bupropion

B- Citalopram

C- Imipramine

D- Phenelzine

C- Imipramine- Overdose of tricyclic antidepressants causes fatal arrhythmias and seizures.

Q- Which of the following medications is used in opioid overdose?

A-Flumazenil

B- Naloxone

C- Norepinephrine

D- Phencyclidine

B- Naloxone- It is the only one on the list that oppose opioid toxicity.

Q- Amoxicillin inhibits which one of the following enzymes?

A-Beta lactamase

B- Squalene epoxidase

C- Transglucosylase

D- Transpeptidase

D- Transpeptidase- It inhibits the final steps of synthesis of the bacterial cell wall.