Mader's Understanding Human Anatomy & Physiology (Longenbaker), 8th Edition

Chapter 8: The Nervous System

True or False Quiz

1
An axon carries a nerve signal away from a motor neuron's cell body.
A)True
B)False
2
Interneurons carry nerve signals from the central nervous system to visceral organs.
A)True
B)False
3
During depolarization of a neuron plasma membrane, potassium ions move into the cell.
A)True
B)False
4
Sodium ions are more concentrated outside of a neuron than in the cytoplasm.
A)True
B)False
5
Nerve signals travel more slowly over myelinated fibers than nonmyelinated fibers.
A)True
B)False
6
A nerve signal is able to "jump" from one neuron to another across the synapse.
A)True
B)False
7
Acetylcholine is the most common neurotransmitter used in the body.
A)True
B)False
8
Once a neurotransmitter has initiated its response on the postsynaptic neuron membrane, it must be removed in order to prevent continuous stimulation of the membrane.
A)True
B)False
9
Gray matter in the central nervous system contains primarily myelinated nerve fibers and cell bodies.
A)True
B)False
10
Interneurons do NOT participate in a reflex arc.
A)True
B)False
11
The gray matter of the spinal cord, when viewed in cross-section, resembles the letter H.
A)True
B)False
12
The cerebral cortex is made of gray matter.
A)True
B)False
13
Consciousness is under the control of the cerebellum.
A)True
B)False
14
The pineal gland regulates the body's daily rhythms.
A)True
B)False
15
The midbrain functions with the medulla oblongata to regulate breathing rate.
A)True
B)False
16
Afferent pathways are also sensory.
A)True
B)False
17
The olfactory nerve is for smell.
A)True
B)False
18
All spinal nerves are mixed nerves.
A)True
B)False
19
Humans have twelve pairs of spinal nerves.
A)True
B)False
20
The parasympathetic division of the autonomic nervous system is known as the "rest and digest" division.
A)True
B)False
21
After age 60, the brain loses weight as neurons die.
A)True
B)False
Maders Understanding Human Anatomy & Physiology
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