Free MAC Pharmacology & Physiology in Anesthesia Questions and Answers

Question 1

Which receptor type is primarily targeted by general anesthetics?

Accepted Answer

GABA-A receptors

Answer

NMDA receptors

Answer

Alpha-adrenergic receptors

Answer

Dopamine receptors

Question 2

What is the primary effect of opioids in anesthesia?

Accepted Answer

Analgesia

Answer

Muscle relaxation

Answer

Amnesia

Answer

Immobility

Question 3

Which inhaled anesthetic has the fastest onset?

Accepted Answer

Desflurane

Answer

Halothane

Answer

Isoflurane

Answer

Enflurane

Question 4

Which physiological parameter is most affected by propofol?

Accepted Answer

Blood pressure

Answer

Heart rate

Answer

Respiratory rate

Answer

Body temperature

Question 5

Which local anesthetic is most cardiotoxic?

Accepted Answer

Bupivacaine

Answer

Lidocaine

Answer

Procaine

Answer

Mepivacaine

Question 6

What is the mechanism of action of succinylcholine?

Accepted Answer

Depolarizing blockade

Answer

Non-depolarizing blockade

Answer

Receptor antagonism

Answer

Voltage-gated channel inhibition

Question 7

Which organ is primarily responsible for metabolizing most anesthetics?

Accepted Answer

Liver

Answer

Kidneys

Answer

Lungs

Answer

Spleen

Question 8

How does ketamine differ from other induction agents?

Accepted Answer

Maintains airway reflexes

Answer

Depresses respiration

Answer

Causes vasodilation

Answer

Induces paralysis

Question 9

Which electrolyte disturbance enhances the effect of non-depolarizing neuromuscular blockers?

Accepted Answer

Hypokalemia

Answer

Hypernatremia

Answer

Hyperkalemia

Answer

Hypocalcemia