CAA Pharmacology in Anesthesia

Question 1

Which intravenous anesthetic is commonly used for induction due to its rapid onset and short duration?

Accepted Answer

Propofol

Answer

Propofol is widely used for anesthesia induction because it acts quickly and allows for a smooth recovery.

Question 2

What is the primary mechanism of action of inhaled anesthetics like sevoflurane?

Accepted Answer

Enhance GABA receptor activity

Answer

Inhaled anesthetics such as sevoflurane act on the central nervous system by enhancing inhibitory neurotransmission via GABA receptors.

Question 3

Which opioid analgesic is most commonly used in anesthesia for its potent pain-relieving properties?

Accepted Answer

Fentanyl

Answer

Fentanyl is a synthetic opioid that is frequently used in anesthesia due to its high potency and rapid onset.

Question 4

Which drug is used to reverse the effects of neuromuscular blocking agents?

Accepted Answer

Neostigmine

Answer

Neostigmine is an acetylcholinesterase inhibitor that reverses neuromuscular blockade by increasing acetylcholine at the neuromuscular junction.

Question 5

Which local anesthetic has the longest duration of action?

Accepted Answer

Bupivacaine

Answer

Bupivacaine has a longer duration of action compared to lidocaine and is commonly used for prolonged pain control.

(CAA) Certified Anesthesiologist Assistant Practice Test