Ch 36 (test 9)

Question 1

Antihistamines

Answer 1

drugs that compete with (block) histamine

Question 2

histamine causes

Answer 2

vasodilation
secretions
inflammatory response to allergies
decreased cap permeability

Question 3

3 non sedating antihistamines

Answer 3

allegra
Claritin
Zyrtec

Question 4

Decongestants

Answer 4

used to relieve congestion, rhinitis, and eustachian tube occlusion associated with sinusitis, them common cold, hay fever, and other allergies. (also act as stimulant)

Question 5

traditional antihistamine

Answer 5

Benadryl

Question 6

Action of decongestants

Answer 6

vasoconstriction of nasal mucosa
decrease blood flow to area
decreased inflammation, congestion, edema
allows drainage
enlarged nasal mucosa shrink
stuffiness relieved

Question 7

6 decongestants

Answer 7

Sudafed (PO)
Afrin (topical)
Neo-Synephrine (topical)
Privine (topical)
Pulmicort (inhaled steroid)
Beconase (inhaled steroid)

Question 8

problem with topical decongestant

Answer 8

rebound congestion due to overuse ( more than 3-5 days)

Question 9

Antitussives

Answer 9

given to suppress cough. used only for PERSISTENT cough that is exhausting and interrupts ADLs or sleep (not used when there is a need to cough… productive, surgery etc) (it is a depressant)

Question 10

3 antitussives

Answer 10

dextromethorphan (vicks 44, robitussin-DM)
Tessalon
Codeine

Question 11

antitussive onset and duration

Answer 11

O; 15-30 min

D: 4-6 hr

Question 12

Expectorant

Answer 12

used to help raise respiratory secretions. liquify and mobilize. (irritates GI)

Question 13

2 expectorant drugs

Answer 13

guaifenesin (Mucinex, Humibid, Robitussin)
Potassium iodine (SSKI)

Question 14

Mucolytic

Answer 14

Mucomyst (acetylcysteine) decreases viscosity fo secretions (antidote to tylenol)