Preanesthetic Drugs

Question 1

Anticholinergic Drugs block the?

Answer 1

Effects of the parasympathetic nervous system

Question 2

2 examples of Anticholinergic drugs?

Answer 2

Atropine & Glycopyrrolate

Question 3

Glycopyrrolate is likely to cross what barrier?

Answer 3

The placental barrier

Question 4

Atropine & Glycopyrrolate effects?

Answer 4

Prevent slow heart rate
prevent excessive salivation
decrease Gi motility
cause mydriasis
cause bronchodilation

Question 5

4 common tranquilizers and sedatives?

Answer 5

Phenothiazines
Benzodiazepines
Alpha 2 Agonists
Opioids

Question 6

2 examples of Phenothiazines?

Answer 6

Acepromazine & Chlorpromazine

Question 7

Phenothiazines effects?

Answer 7

CNS depression
Antiemetic
Antiarrhyrhmic
Peripheral Vasodilation/Hypotension
May lower serious threshold
Antihistamine effect

Question 8

which breeds are sensitive to Acepromazine

Answer 8

Collies
Australian Shephers
Older Dogs
Large breed dogs like boxers

Question 9

Acepromazine causes what in stallions?

Answer 9

Penile Prolapse

Question 10

What are 3 examples of Benzodiazepines?

Answer 10

Diazepam
Midazolam
Zolazepam

Question 11

Benzodiazepines effects

Answer 11

CNS depression
Anticonvulsant
Muscle Relaxant
Unreliable sedation if used alone

Question 12

Diazepam solution is not?

Answer 12

Water soluble & compatible with other drugs

Question 13

Diazepam must be given which route?

Answer 13

IV slowly

Question 14

True/False: Diazepam is a controlled substance

Answer 14

True

Question 15

Diazepam is reversible with what drug?

Answer 15

Flumazenil

Question 16

3 examples of Alpha-2 Agonists

Answer 16

1. xylazine
2. detomidine
   3 dexmedetomidine

Question 17

Alpha-2 Agonists effect

Answer 17

•CNS depression
•Muscle relaxation
•Analgesia
•CV system depression
•Respiratory system depression
•Vomiting in dogs/cats

Question 18

what species are sensitive to Alpha-2 Agonists?

Answer 18

Ruminants

Question 19

Alpha-2 Agonists effects can be reversed with what drugs?

Answer 19

Atipamezole
Yohimbine

Question 20

Opioids examples

Answer 20

morphine,
fentanyl,
hydromorphone,
oxymorphone,
meperedine,
buprenorphine,
butorphanol

Question 21

Opioids effects

Answer 21

•CNS depression
•Analgesia
•Vomiting & defecation followed by constipation
•Respiratory depression at high doses

Question 22

True/False: Animals may be easily startled by loud noises when administered Opioids

Answer 22

True

Question 23

Opioids are most commonly used in?

Answer 23

Dogs
other species are more likely to exhibit CNS stimulation

Question 24

Nonsteroidal Antiinflammatories (NSAIDs)

Answer 24

•Used to provide pain relief during a surgical procedure

Question 25

Common Nonsteroidal Antiinflammatories (NSAIDs)

Answer 25

•Carprofen (Rimadyl)
•Meloxicam (Metacam)
•Robenacoxib (Onsior)

Question 26

Common Nonsteroidal Antiinflammatories (NSAIDs) have a potential risk for?

Answer 26

Nephrotoxicity

Question 27

Antiemetics

Answer 27

•Prevent vomiting cause by opioid administration
•Neurokinin 1 receptor antagonist– Cerenia

Question 28

Antacids

Answer 28

•Prevent esophageal irritation associated with regurgitation during general anesthesia
•Proton pump inhibitors– Pantoprazole