Question 1

The rate at which an inhaled anesthetic agent reaches the brain is least determined by ____________.

Accepted Answer

A)  solubility of the anesthetic in the blood
B)  concentration of the anesthetic in the inspired air
C)  rate and depth of respiration
D)  metabolism of the anesthetic D

Question 2

Local anesthetics ____________.

Accepted Answer

A)  can be divided into ester and acid drugs
B)  are often combined with alpha antagonists
C)  if accidentally injected into a blood vessel cause paralysis and respiratory failure
D)  block Na⁺ channels and prevent initiation of pain impulses D

Question 3

Patients being seen soon after a nerve block might ____________.

Accepted Answer

A)  be somewhat confused
B)  show slightly increased muscular strength
C)  show slightly decreased sensory function
D)  be treated aggressively C

Question 4

A patient with COPD should receive which of the following drugs prior to surgery?

Accepted Answer

A)  Bronchodilators
B)  Aspirin
C)  Anti-viral agents
D)  Opioids

Question 5

Which one of the following drugs is used in a balanced anesthesia?

Accepted Answer

A)  NSAIDs
B)  Opioids
C)  Respiratory stimulants
D)  Oral antidiabetic drugs

Question 6

Which one of the following drugs does not have to be stopped before general surgery?

Accepted Answer

A)  Warfarin
B)  Oral hypoglycemics
C)  H2 receptor blockers
D)  Diuretics

Question 7

A rare but possible event during general anesthesia is malignant hyperthermia.This condition ____________.

Accepted Answer

A)  is caused by increased Na⁺ fluxes in the skeletal muscles
B)  also causes muscle paralysis, hypotension and heart block
C)  has no drug treatment except quickly cooling the patient
D)  can occur with all anesthetics but is more frequent with halothane

Question 8

A patient seen post-op for therapy ____________.

Accepted Answer

A)  may still be confused
B)  should suppress coughing
C)  should be encouraged to breathe slowly
D)  may engage in strengthening activities

Question 9

Which of the following drug-effect combinations used before general surgery is mismatched?

Accepted Answer

A)  Monoamine oxidase inhibitors: to avoid severe hypotension
B)  Benzodiazepines: to sedate the patient
C)  Anticholinergics: to prevent bradycardia
D)  Antiemetics: to avoid nausea and vomiting

Exam 10: Anesthetic Agents