XXV - Anesthesia

Question 1

highest MAC (lowest potency), SE: euphoria

Answer 1

Nitrous Oxide

Question 2

General Anesthetics: pulmonary irritant

Answer 2

Desflurane

Question 3

General Anesthetics: post-op hepatitis, malignant hyperthermia with succinylcholine

Answer 3

Halothane

Question 4

lowest MAC (highest potency), slowest induction and recovery

Answer 4

Methoxyflurane

Question 5

Dissociative amnesia, NMDA receptor blocker, SE: emergence delirium

Answer 5

Ketamine

Question 6

Anesthesia for patients with limited cardiopulmonary reserve, SE: adrenal suppression

Answer 6

Etomidate

Question 7

Prolonged sedation, “milk of amnesia”, SE: hypotension

Answer 7

Propofol

Question 8

2 Types of Local Anesthetics

Answer 8

Esters (1 i), Amides (2 i’s)

Question 9

Local Anesthetics: shortest half-life

Answer 9

Procaine (1-2 min)

Question 10

Local Anesthetics: longest half-life

Answer 10

Ropivacaine (4.2 h)

Question 11

Why shouldn’t you inject Lidocaine into an abscess?

Answer 11

Lidocaine does not work in an acidic environment (below pKa - protonated form cannot penetrated tissues)

Question 12

Toxic Dose of Lidocaine

Answer 12

5 mg/kg

Question 13

How much Lidocaine is there in a 1% solution?

Answer 13

10 mg/mL

Question 14

Prototype non-depolarizing neuromuscular blocker, SE: orthostatic hypotension

Answer 14

Tubocurarine

Question 15

Most frequently used non-depolarizing neuromuscular blocker, undergoes Hoffman elimination, SE: bronchospasm

Answer 15

Atracurium

Question 16

Non-depolarizing neuromuscular blocker, lethal injection, Strychnine poisoning

Answer 16

Pancuronium

Question 17

Reversal agent for non-depolarizing neuromuscular blockers

Answer 17

Neostigmine (indirect cholinomimetic)

Question 18

The only depolarizing neuromuscular blocker, SE: malignant hyperthermia with halothane

Answer 18

Succinylcholine