NAVLE Veterinary Anesthesia and Pain Management 2

Question 1

A dog under isoflurane anesthesia has an end-tidal CO2 (ETCO2) reading of 62 mmHg. What does this finding indicate?

Accepted Answer

Hypoventilation with CO2 retention

Answer

Adequate ventilation

Answer

Hyperventilation with CO2 washout

Answer

Adequate tissue oxygenation

Question 2

Minimum alveolar concentration (MAC) is the inhalant anesthetic concentration that prevents gross movement in response to surgical stimulation in what percentage of patients?

Accepted Answer

50%

Answer

25%

Answer

75%

Answer

100%

Question 3

Which of the following conditions or interventions would DECREASE MAC (reduce the anesthetic requirement) of an inhalant agent?

Accepted Answer

Opioid premedication

Answer

Hyperthermia

Answer

Chronic alcohol consumption

Answer

Hyperthyroidism

Question 4

Malignant hyperthermia is a rare, life-threatening complication of anesthesia. Which drug is the treatment of choice?

Accepted Answer

Dantrolene

Answer

Acepromazine

Answer

Diazepam

Answer

Propranolol

Question 5

During anesthesia, a dog develops frequent premature ventricular contractions (PVCs) visible on ECG. What is the FIRST-LINE pharmacologic treatment?

Accepted Answer

Lidocaine IV bolus

Answer

Epinephrine IV bolus

Answer

Atropine IV

Answer

Dopamine CRI

Question 6

Which inhalant anesthetic is associated with the GREATEST cardiovascular depression and sensitization of the myocardium to catecholamine-induced arrhythmias?

Accepted Answer

Halothane

Answer

Isoflurane

Answer

Sevoflurane

Answer

Desflurane

Question 7

A cat anesthetized with isoflurane develops bradycardia (HR 70 bpm). What is the MOST appropriate first step before administering any drug?

Accepted Answer

Lighten anesthetic depth and reassess all parameters

Answer

Administer atropine IV immediately

Answer

Begin a dopamine CRI

Answer

Increase the oxygen flow rate