Course

Human Biology

Study Pack

Set 13 The Nervous System

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Question 1

(Multiple Choice)

Free
The mode of action of Ecstasy is to

A) cause overstimulation of target cells in the brain.
B) interfere with release of neurotransmitters in the brain.
C) decreases the amount of serotonin in the brain.
D) speed up clearance of serotonin in the brain.
E) is used clinically to treat anxiety.

Answer

Question 2

(Multiple Choice)

Free
Which cells relay signals from the interneurons to the body's effectors?

A) sensory neurons
B) neuroglia
C) motor neurons
D) association neurons
E) dendritic cells

Answer

Question 3

(Multiple Choice)

Free
The principal job of the human nervous system is to

A) facilitate communication among the body systems.
B) store information.
C) replace or repair damaged tissues.
D) provide for defense against pathogens.
E) rid the body of metabolic wastes.

Answer