Chapter 33, Problem 32A

Summary Introduction

Introduction : The function of amphetamines. It is also used to treat narcolepsy. Even sometimes it is used for a limited period to reduce weight.

Answer to Problem 32A

Correct answer :

The correct answer is option (A) to stimulate the sympathetic nervous system.

Explanation of Solution

Explanation/justification for the correct answer :

Option (A) to stimulate the sympathetic nervous system. These drugs strongly activate the sympathetic nervous system. It is used to accelerate heart rate, constrict blood vessels and raise blood pressure. So, this is the correct answer.

Explanation for incorrect answer :

Option (B) to stimulate the parasympathetic nervous system. These drugs strongly activate the sympathetic nervous system not parasympathetic nervous system. So this is not correct.

Option (C) to stimulate the sympathetic and parasympathetic nervous system. Both sympathetic and parasympathetic nervous systems have opposite effects on insulin for which it is not possible. So this is not correct.

Option (D) do not affect either the sympathetic or parasympathetic nervous system. Both sympathetic and parasympathetic nervous systems have opposite effects on insulin for which it is not possible. So, it is an incorrect answer. So this is not correct.