ABA ABA Pharmacology & Drug Management

Question 1

Which volatile anesthetic has the lowest blood-gas partition coefficient, resulting in the fastest induction and emergence?

Accepted Answer

Desflurane

Answer

Isoflurane

Answer

Sevoflurane

Answer

Halothane

Question 2

A patient receives succinylcholine and develops masseter spasm followed by generalized rigidity and a rising temperature. The FIRST drug to administer is:

Accepted Answer

Dantrolene

Answer

Propofol

Answer

Calcium gluconate

Answer

Sodium bicarbonate

Question 3

The MAC (minimum alveolar concentration) of a volatile anesthetic is DECREASED by which of the following?

Accepted Answer

Opioid premedication

Answer

Hyperthermia

Answer

Chronic alcohol use

Answer

Hyperthyroidism

Question 4

Which neuromuscular blocking agent is MOST appropriate for a patient with a known history of pseudocholinesterase deficiency?

Accepted Answer

Atracurium

Answer

Succinylcholine

Answer

Mivacurium

Answer

Pancuronium

Question 5

Which opioid is MOST likely to cause chest wall rigidity ('wooden chest syndrome') when given as a rapid IV bolus?

Accepted Answer

Fentanyl

Answer

Morphine

Answer

Hydromorphone

Answer

Meperidine

Question 6

The reversal agent sugammadex works by which mechanism?

Accepted Answer

Chelating aminosteroid neuromuscular blockers in plasma

Answer

Inhibiting acetylcholinesterase at the neuromuscular junction

Answer

Competing with rocuronium for nicotinic receptor binding

Answer

Stimulating nicotinic acetylcholine receptors directly