Deck 26: Autacoid Drugs

Question 1

Azelastine relieves nasal itching and discharge in persons with allergic rhinitis by antagonism of which receptors?

A) histamine H₁
B) histamine H₂
C) serotonin 5-HT₁
D) serotonin 5-HT₂
E) serotonin 5-HT₃

Answer 1

histamine H₁

Question 2

Which autacoid is associated with the production of inflammation, edema,
Pruritus,
And cough?

A) serotonin
B) prostaglandin E1
C) endothelin
D) leukotriene B4
E) histamine

Answer 2

histamine

Question 3

Which orally administered agent improves exercise capacity in persons with pulmonary artery hypertension?

A) epoprostenol
B) bosentan
C) treprostinil
D) sildenafil
E) dinoprostone

Answer 3

bosentan

Question 4

A woman complains of sedation after taking a second-generation antihistamine in the morning.Which drug is most likely responsible for this side effect?

A) fexofenadine
B) desloratadine
C) loratadine
D) cetirizine
E) astemizole