Inhaled Anesthetics

Question 1

What is the primary function of anesthetics?

Answer 1

To depress cerebral metabolism

Question 2

The ____ concentration is the important number to dose inhaled anesthetics

Answer 2

alveolar

Question 3

Define MAC

Answer 3

Minimal Alveolar Concentration- the alveolar concentration where 50% of patients do not move in response to surgical incision

Question 4

4 major factors in picking an inhaled agent

Answer 4

Potency, Pungency, Solubility, Cost

Question 5

MAC is only an ____ dose for the amount of anesthesia

Answer 5

approximate

Question 6

Inhaled anesthetics cause _____ of brain wave activity

Answer 6

synchrony

Question 7

A major side effect of inhaled anesthetics is

Answer 7

nausea/vomiting

Question 8

Inhaled anesthetics ______ autonomic reflexes

Answer 8

depresses

Question 9

Inhaled anesthetics may ____ brain wave pattern

Answer 9

disrupt

Question 10

What is the major NT acted on by anesthetics?

Answer 10

GABA

Question 11

There are no _______ _____ products after use of an inhaled anesthetic

Answer 11

metabolic breakdown

Question 12

What are the three properties of low soluble drugs?

Answer 12

Less potent, faster onset/offset, less tissue absorption

Question 13

___ is the drug with lowest solubility

Answer 13

Desflurane

Question 14

The paradoxical CNS effect of inhaled anesthetics is what?

Answer 14

increased cerebral blood flow

Question 15

Inhaled anesthetics ______ respiratory rate but _____ tidal volume

Answer 15

increase; decrease

Question 16

Inhaled anesthetics ______ blood vessels and move blood from ___ to _____

Answer 16

dilate; core to periphery

Question 17

Isoflurane promotes sleep neurons and works in the ____

Answer 17

VLPO