The antihistamine Benadryl has a sedative effect, but the antihistamine Zyrtec does not,

because

A) Zyrtec crosses the blood-brain barrier but Benadryl does not.
B) Benadryl is taken as a liquid and Zyrtec as a pill.
C) Benadryl costs more than Zyrtec.
D) Benadryl crosses the blood-brain barrier but Zyrtec does not.


D

Anatomy & Physiology

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Fill in the blank(s) with correct word

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