Hole's Human Anatomy & Physiology (Shier), 12th Edition

Chapter 10: Nervous System I: Basic Structure and Function

Pre-Test

Learning Outcome 10.3

1
The central nervous system is comprised of the brain and _____.
A)cranial nerves
B)spinal cord
C)peripheral nerves
D)spinal nerves

Learning Outcome 10.16

2
The minimal stimulus needed to cause a neuron to transmit an impulse is called the _____.
A)action potential
B)resting potential
C)threshold
D)refractory period

Learning Outcome 10.17

3
The most common neurotransmitter in the body is _____.
A)norepinephrine
B)adrenalin
C)acetylcholine
D)dopamine

Learning Outcome 10.11

4
Which type of neuroglial cells help regulate the composition of cerebrospinal fluid?
A)astrocytes
B)oligodendrocytes
C)microglia
D)ependyma

Learning Outcome 10.3

5
Which items should NOT be grouped together?
A)spinal nerve
B)cranial nerve
C)spinal cord
D)PNS

Learning Outcome 10.10

6
Nodes of Ranvier are only found on motor axons.
A)True
B)False

Learning Outcome 10.16

7
There is a higher concentration of K+ outside of a resting neuron than Na+.
A)True
B)False

Learning Outcome 10.17

8
A neuron will not respond to any stimulus during its absolute refractory period.
A)True
B)False

Learning Outcome 10.17

9
The axon nerve impulse is self-propagating and occurs in the direction towards the cell body.
A)True
B)False

Learning Outcome 10.14

10
A synapse is a junction between two dendrites.
A)True
B)False
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