Author Question: If repeated exposure to a drug increases the activity of the CYP450 enzyme that is responsible for ... (Read 50 times)

brutforce · **on:** Jun 22, 2018

If repeated exposure to a drug increases the activity of the CYP450 enzyme that is responsible for metabolizing that drug, then later doses will be less effective than the first few doses. This is an example of

A. drug disposition tolerance.
B. behavioral tolerance.
C. an active metabolite.
D. a prodrug.

Question 2

Describe the differing effects of the sympathetic and parasympathetic branches of the autonomic nervous system.

What will be an ideal response?

poopface · **Reply #1 on:** Jun 22, 2018

Answer to Question 1

A

Answer to Question 2

Sympathetic - fight-or-flight reactions: opens bronchi, decreases blood supply to skin, increases heart rate, reduces stomach motility, dilates pupils.
Parasympathetic - inhibits heart rate, constricts pupils, increases stomach motility, dilates skin blood vessels, constricts bronchi.