CSC Pharmacology of Sedative Agents

Question 1

What is the primary mechanism of action of benzodiazepines?

Accepted Answer

Enhance GABAergic transmission

Answer

Block dopamine receptors

Answer

Stimulate NMDA receptors

Answer

Inhibit serotonin uptake

Question 2

Which sedative agent is most commonly associated with anterograde amnesia?

Accepted Answer

Midazolam

Answer

Propofol

Answer

Fentanyl

Answer

Ketamine

Question 3

Which of the following is a reversal agent for benzodiazepines?

Accepted Answer

Flumazenil

Answer

Naloxone

Answer

Atropine

Answer

Physostigmine

Question 4

Which sedative is known for its rapid onset and short duration of action?

Accepted Answer

Propofol

Answer

Diazepam

Answer

Lorazepam

Answer

Phenobarbital

Question 5

Which opioid is often used in combination with sedatives for conscious sedation?

Accepted Answer

Fentanyl

Answer

Morphine

Answer

Meperidine

Answer

Codeine

Question 6

What is a common side effect of ketamine used in sedation?

Accepted Answer

Emergence reactions

Answer

Hypertension

Answer

Hypothermia

Answer

Severe bradycardia

Question 7

Which sedative should be used with caution in patients with egg allergies?

Accepted Answer

Propofol

Answer

Midazolam

Answer

Ketamine

Answer

Etomidate

Question 8

What is the effect of opioids on respiratory function?

Accepted Answer

Depress respiratory function

Answer

Stimulate respiratory drive

Answer

Cause bronchoconstriction

Answer

Improve oxygen saturation

Question 9

Which of the following sedatives does NOT cause significant respiratory depression?

Accepted Answer

Ketamine

Answer

Propofol

Answer

Midazolam

Answer

Fentanyl