Chapter 2 Biology and Psychology

Chapter 2
Biology and Psychology

MULTIPLE CHOICE

1. Which of the following would not be possible without the functioning of the nervous system?
a.
ideals, thoughts, and plans
c.
behaviors, emotions, and cognitions
b.
imagery and cognitions
d.
all of these

ANS: D DIF: 2 REF: 2-26 OBJ: 1
MSC: TYPE: Conceptual

2. A(n) _________ is a nerve cell.
a.
axon
c.
dendrite
b.
neuron
d.
glial cell

ANS: B DIF: 1 REF: 2-26 OBJ: 1
MSC: TYPE: Factual NOT: BTC

3. ________ remove dead neurons and waste products from the nervous system, nourish and insulate neurons, and direct their growth.
a.
Schwann cells
c.
Glial cells
b.
Neurons
d.
Myelin sheaths

ANS: C DIF: 2 REF: 2-26 OBJ: 1
MSC: TYPE: Factual

4. The function of glial cells in the nervous system is to
a.
remove waste products from the nervous system.
b.
insulate and nourish neurons.
c.
direct the growth of neurons.
d.
all of these

ANS: D DIF: 2 REF: 2-26 OBJ: 1
MSC: TYPE: Factual

5. An axon’s length can range from a few millimeters to
a.
1 inch.
c.
several feet.
b.
12 inches.
d.
up to a mile.

ANS: C DIF: 1 REF: 2-27 OBJ: 1
MSC: TYPE: Factual

6. The part of the neuron that receives messages from a neighboring neuron is the
a.
dendrite.
c.
soma.
b.
terminal.
d.
axon.

ANS: A DIF: 1 REF: 2-27 OBJ: 1
MSC: TYPE: Factual

7. The part of the neuron that sends messages to other neurons is the
a.
dendrite.
c.
soma.
b.
terminal.
d.
axon.

ANS: D DIF: 1 REF: 2-27 OBJ: 1
MSC: TYPE: Factual

8. The cell body of a neuron contains the
a.
dendrites.
c.
nucleus.
b.
axon.
d.
neuron.

ANS: C DIF: 2 REF: 2-27 OBJ: 1
KEY: WWW MSC: TYPE: Factual

9. The axon of a neuron ends in small bulb-like structures called
a.
terminal buttons.
c.
dendrites.
b.
myelin.
d.
glial cells.

ANS: A DIF: 1 REF: 2-27 OBJ: 1
MSC: TYPE: Factual

10. The white fatty material that insulates the neuron