Repeated USMLE Questions- Pharmacology MCQs- 289

Q- Which of the following is most likely characteristic of oral route of administration?

A- Absorption of the drug depends on the GIT function

B- It has the fastest onset of effect

C- It is the most appropriate route to interact with most of the emergencies

D- Most of oral medications reach the bloodstream through the liver

A- Absorption of the drug depends on the GIT function- Other options are most likely characteristics of parenteral routes.

Q- Which one of the following local anesthesia is mainly used for regional nerve block?

A- Bupivacaine

B- Cocaine

C- Dibucaine

D- Tetracaine

A- Bupivacaine- Cocaine and dibucaine are only used for topical while tetracaine is used for spinal anesthesia.

Q- Which of the following beta blockers has the longest duration of action?

A- Metoprolol

B- Nadolol

C- Propranolol

D- Sotalol

B- Nadolol- It is anti-hypertensive drug and has the longest duration of action compared to the other options.