Chapter 23. 23·1–23·3 What is the nervous system?

Show What You Know - Self Quiz
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You must read each slide, and complete any questions on the slide, in sequence.

Instructions

Check your understanding of concepts from 23·1–23·3 What is the nervous system? by answering the following questions.

1.

1. The three critical processes of a nervous system, in order, are: 1) sensing the internal and external world, 2) processing that information, and 3):

A.
B.
C.
D.
E.

Correct. (See section 23·1 Why do we need a nervous system?)
Incorrect. (See section 23·1 Why do we need a nervous system?)

2.

2. Pain helps us:

A.
B.
C.
D.
E.

Correct. (See section 23·1 Why do we need a nervous system?)
Incorrect. (See section 23·1 Why do we need a nervous system?)

3.

3. In a neuron, the cell body:

A.
B.
C.
D.
E.

Correct. (See section 23·2 Neurons are the building blocks of all nervous systems.)
Incorrect. (See section 23·2 Neurons are the building blocks of all nervous systems.)

4.

4. A neuron only has one:

A.
B.
C.
D.
E.

Correct. (See section 23·2 Neurons are the building blocks of all nervous systems.)
Incorrect. (See section 23·2 Neurons are the building blocks of all nervous systems.)

5.

5. The peripheral nervous system:

A.
B.
C.
D.
E.

Correct. (See section 23·3 The vertebrate nervous system consists of the peripheral and central nervous systems.)
Incorrect. (See section 23·3 The vertebrate nervous system consists of the peripheral and central nervous systems.)

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