Multiple Choice (Value 20) Identify the choice that best completes the statement or answers
the question.
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1.
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Alcohol does each of the following EXCEPT
a. | disrupt coordination. | c. | stimulate heart rate. | b. | impair
judgment. | d. | slow
reflexes. |
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2.
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Uncontrollable pain and sickness occur because the body cannot produce enough
endorphins when a drug user attempts to stop using
a. | crack. | c. | opiates. | b. | marijuana. | d. | cocaine. |
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3.
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A student’s ability to think about a question and answer it correctly is
directly controlled by the
a. | cerebrum. | c. | medulla. | b. | cerebellum. | d. | brain stem. |
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4.
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The region of the brain that recognizes hunger is the
a. | brain stem. | c. | medulla oblongata. | b. | hypothalamus. | d. | thalamus. |
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5.
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One third of all homicides can be attributed to the effects of
a. | cocaine. | c. | crack. | b. | opiates. | d. | alcohol. |
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6.
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Drugs that increase heart rate, blood pressure, and breathing rate are
called
a. | stimulants. | c. | opiates. | b. | depressants. | d. | alcohol. |
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7.
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What system does alcohol immediately affect?
a. | digestive | c. | circulatory | b. | nervous | d. | endocrine |
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8.
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Which division(s) of the peripheral nervous system transmit(s) impulses from
sense organs to the central nervous system?
a. | motor division | c. | spinal cord division | b. | sensory division | d. | sensory and motor
divisions |
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9.
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What types of drugs slow down the activity of the central nervous system?
a. | cocaine | c. | stimulants | b. | depressants | d. | opiates |
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10.
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Which of the following is a function of the cerebrum?
a. | controls heart rate | b. | controls conscious activities of the
body | c. | controls blood pressure | d. | controls
breathing |
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11.
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Sense organs are part of the
a. | peripheral nervous system. | c. | central nervous
system. | b. | autonomic nervous system. | d. | parasympathetic nervous system. |
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12.
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Which of the five senses contains two types of photoreceptors called rods and
cones?
a. | taste | c. | vision | b. | hearing | d. | smell |
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13.
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Which of the following general categories of sensory receptors are located
everywhere in the body except the brain?
a. | photoreceptors | c. | mechanoreceptors | b. | pain receptors | d. | thermoreceptors |
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14.
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Sensory receptors that are sensitive to chemicals are found in the
a. | eyes. | c. | skin, skeletal muscles, and inner ears. | b. | nose and taste
buds. | d. | skin, body core, and
hypothalamus. |
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15.
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Which general category of sensory receptors detects variations in
temperature?
a. | photoreceptors | c. | pain receptors | b. | thermoreceptors | d. | mechanoreceptors |
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16.
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The most widely abused legal drug is
a. | alcohol. | c. | marijuana. | b. | tranquilizers. | d. | amphetamines. |
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17.
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The division of the nervous system that helps the body react to pain is
the
a. | somatic nervous system. | c. | autonomic nervous
system. | b. | sensory nervous system. | d. | sympathetic nervous system. |
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![nar001-1.jpg](ch35s3to5_files/nar001-1.jpg)
Figure
35–2
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18.
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Which labeled structure in Figure 35–2 creates pressure waves in the
cochlea?
a. | structure D | c. | structure B | b. | structure C | d. | structure A |
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19.
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What is the function of the central nervous system?
a. | to relay messages | c. | to analyze information | b. | to process
information | d. | all of the
above |
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20.
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If you did not like the flavor of a certain oral liquid medicine, you could hide
much of its taste by
a. | covering your ears. | c. | closing your eyes. | b. | holding your nose. | d. | folding your hands
together. |
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Modified True/False (Value 8) Indicate whether the statement is true or false. If false,
change the identified word or phrase to make the statement true.
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21.
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The autonomic nervous system is part of the motor division of the peripheral
nervous system. _________________________
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22.
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The brain and spinal cord can withstand considerable trauma due to the
meninges acting as a shock absorber. ______________________________
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23.
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About 40 percent of the fatal accidents that occur on Americans highways involve
the drug alcohol. _________________________
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24.
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If you accidentally hit your toe on a desk and then quickly move your leg in
response, the pathway that the nerve impulse takes from your toe to your leg is called a reflex
arc._________________________
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25.
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The cochlea and the two tiny sacs located behind it help the body
maintain its equilibrium. ______________________________
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26.
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A person with a relatively small number of cones in the retinas may have
trouble distinguishing colors. _________________________
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27.
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The largest and most prominent region of the human brain that is responsible for
the voluntary, or conscious, activities of the body is the cerebellum.
_________________________
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28.
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Rods respond to light of different colors, producing color vision.
____________________
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Completion (Value 7) Complete
each statement.
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29.
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The two major divisions of the human nervous system are the central and the
____________________ nervous systems.
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30.
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Small muscles attached to the ____________________ of your eye change its shape
to help you focus on near or distant objects.
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![nar002-1.jpg](ch35s3to5_files/nar002-1.jpg)
Figure
35–3
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31.
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The pathway illustrated in Figure 35–3 is called a(an)
____________________.
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32.
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Cirrhosis of the liver is a possible result of the long-term use of
____________________.
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33.
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The turning of your head is controlled by the ____________________ nervous
system, which is part of the peripheral nervous system’s motor division.
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34.
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Sensory receptors called _________________________ are found in the skin,
skeletal muscles, and inner ears and are sensitive to touch, pressure, stretching of muscles, sound,
and motion.
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35.
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The class of drugs called ____________________ mimic natural chemicals in the
brain known as endorphins, which normally help to overcome sensations of pain.
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Short Answer (Value 5)
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36.
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Why is a severe injury to the brain stem usually fatal? (Value 1)
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37.
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Compare and contrast the functions of rods and cones. (Value 2)
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38.
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How is a pain in your toe perceived by sensory receptors? Why is it important
for your body to sense this pain? (Value 2)
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