quiz 7 antiemetics

Question 1

these have a limited effect on GI problem-caused vomiting

Answer 1

Antihistamines

• diphenhydramine (benadryl)
• dimenhydrinate (dramamine)

Question 2

these do not prevent vomiting caused by GI irritation, which is the most common cause

Answer 2

Phenothiazine tranquilizers

• acepromazine
• chlorpromazine

Question 3

these inhibit the transmission of nerve impulses from the vestibular nerve by blocking histamine receptors involved in vomiting reflex

Answer 3

Antihistamines

• diphenhydramine (benadryl)
• dimenhydrinate (dramamine)

Question 4

these block nerve conduction through the vagus nerve when there is GI irritation - they block ACH receptors
- these interfere with PNS signals from the GI tract to vomiting center

Answer 4

Anticholinergics

• aminopentamide (centrine)
• isopropamide (darbazine)
• atropine

Question 5

these block histamine receptors in the CNS (CRTZ)

Answer 5

Phenothiazine tranquilizers

• acepromazine
• chlorpromazine

Question 6

these can produce a sedative effect and affect allergy testing

Answer 6

Antihistamines

• diphenhydramine (benadryl)
• dimenhydrinate (dramamine)

Question 7

this drug is short lasting, so not the best to use to prevent the transmission of signals

Answer 7

atropine