Name: 
 

Chapter 35 Test - The Nervous System - Section 3 to 5


Multiple Choice (Value 20)
Identify the choice that best completes the statement or answers the question.
 

 1. 
Alcohol does each of the following EXCEPT
a.
disrupt coordination.
c.
stimulate heart rate.
b.
impair judgment.
d.
slow reflexes.
 

 2. 
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.
 

 3. 
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.
 

 4. 
The region of the brain that recognizes hunger is the
a.
brain stem.
c.
medulla oblongata.
b.
hypothalamus.
d.
thalamus.
 

 5. 
One third of all homicides can be attributed to the effects of
a.
cocaine.
c.
crack.
b.
opiates.
d.
alcohol.
 

 6. 
Drugs that increase heart rate, blood pressure, and breathing rate are called
a.
stimulants.
c.
opiates.
b.
depressants.
d.
alcohol.
 

 7. 
What system does alcohol immediately affect?
a.
digestive
c.
circulatory
b.
nervous
d.
endocrine
 

 8. 
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
 

 9. 
What types of drugs slow down the activity of the central nervous system?
a.
cocaine
c.
stimulants
b.
depressants
d.
opiates
 

 10. 
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
 

 11. 
Sense organs are part of the
a.
peripheral nervous system.
c.
central nervous system.
b.
autonomic nervous system.
d.
parasympathetic nervous system.
 

 12. 
Which of the five senses contains two types of photoreceptors called rods and cones?
a.
taste
c.
vision
b.
hearing
d.
smell
 

 13. 
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
 

 14. 
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.
 

 15. 
Which general category of sensory receptors detects variations in temperature?
a.
photoreceptors
c.
pain receptors
b.
thermoreceptors
d.
mechanoreceptors
 

 16. 
The most widely abused legal drug is
a.
alcohol.
c.
marijuana.
b.
tranquilizers.
d.
amphetamines.
 

 17. 
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.
 
 
nar001-1.jpg

Figure 35–2
 

 18. 
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
 

 19. 
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
 

 20. 
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.
 

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.
 

 21. 
The autonomic nervous system is part of the motor division of the peripheral nervous system. _________________________

 

 22. 
The brain and spinal cord can withstand considerable trauma due to the meninges acting as a shock absorber. ______________________________

 

 23. 
About 40 percent of the fatal accidents that occur on Americans highways involve the drug alcohol. _________________________

 

 24. 
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._________________________

 

 25. 
The cochlea and the two tiny sacs located behind it help the body maintain its equilibrium. ______________________________

 

 26. 
A person with a relatively small number of cones in the retinas may have trouble distinguishing colors. _________________________

 

 27. 
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. _________________________

 

 28. 
Rods respond to light of different colors, producing color vision. ____________________

 

Completion (Value 7)
Complete each statement.
 

 29. 
The two major divisions of the human nervous system are the central and the ____________________ nervous systems.
 

 

 30. 
Small muscles attached to the ____________________ of your eye change its shape to help you focus on near or distant objects.
 

 
 
nar002-1.jpg

Figure 35–3
 

 31. 
The pathway illustrated in Figure 35–3 is called a(an) ____________________.
 

 

 32. 
Cirrhosis of the liver is a possible result of the long-term use of ____________________.
 

 

 33. 
The turning of your head is controlled by the ____________________ nervous system, which is part of the peripheral nervous system’s motor division.
 

 

 34. 
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.
 

 

 35. 
The class of drugs called ____________________ mimic natural chemicals in the brain known as endorphins, which normally help to overcome sensations of pain.
 

 

Short Answer (Value 5)
 

 36. 
Why is a severe injury to the brain stem usually fatal? (Value 1)
 

 37. 
Compare and contrast the functions of rods and cones. (Value 2)
 

 38. 
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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