Author Question: A second-generation H1 receptor antagonist antihistamine formulated as a nasal spray for topical use ... (Read 31 times)

LaDunn · **on:** Jul 23, 2018

A second-generation H1 receptor antagonist antihistamine formulated as a nasal spray for topical use is

A) chlorpheniramine (Chlor-Trimeton).
B) clemastine (Tavist).
C) cyproheptadine (Periactin).
D) azelastine (Astelin).

Question 2

A patient is receiving digoxin (Lanoxin) and a potassium supplement. When monitoring daily laboratory values, what should the potassium level be for this patient?

A) 1.53.0 mEq/L
B) 3.55.0 mEq/L
C) 5.07.5 mEq/L
D) 6.06.5 mEq/L

tennis14576 · **Reply #1 on:** Jul 23, 2018

Answer to Question 1

D
Feedback:
Azelastine (Astelin) and olopatadine (Patanol) are second-generation H1 receptor antagonists that have been formulated as nasal sprays for topical use. Each of the other listed drugs is a first-generation H1 receptor antagonist.

Answer to Question 2

B