CH. 36 INTRODUCTION TO THE NERVOUS SYSTEM Questions with
Correct Solutions
Question:
1. What does the nervous system consist of?
Answer:
The brain, spinal cord, and peripheral nerves
Question:
2. What do you do when taking health history of an older adult who has difficulty
remembering information about themselves?
Answer:
Confirm the information with a family member or friend
Question:
3. What happens to the brain with age?
Answer:
Brain weight and the number of brain cells decrease and blood flow to the cerebrum is
diminished
Question:
4. What do older adults experience with age?
Answer:
Short-term memory loss and a slower reaction time
Question:
5. What do older adults with difficulty following directions during a physical exam respond
well to?
Answer:
Mimicking, modeling of desired behaviors, and verbal instructions
Question:
6. What should always be considered when an older person has a change in mental status?
Answer:
The possibility of drug toxicity or abrupt onset of delirium
Question:
7. What can help older adults to retain vocabulary, special awareness, and problem-solving?
,Answer:
Mental exercises
Question:
8. What do physical exercises in older adults promote?
Answer:
Circulation
Question:
9. What can help older adults to retain function?
Answer:
Involvement in social or educational activities
Question:
10. What may not be present if an older adult has cataracts?
Answer:
Pupillary response
Question:
11. What may be affected in older adults due to arthritic changes?
Answer:
Range of motion of the neck
Question:
12. What is the basic structure of the nervous system?
Answer:
The nerve cell or neuron
Question:
13. What do sensory neurons do?
Answer:
Transmit impulses TO the CNS
Question:
14. What do motor neurons do?
Answer:
Transmit impulses FROM the CNS
, Question:
15. What are dendrites?
Answer:
Afferent nerve fibers that conduct impulses to the cell body
Question:
16. What are axons?
Answer:
Efferent nerve fibers that project and conduct impulses away from the cell body
Question:
17. What fatty substance covers some axons in the CNS and PNS?
Answer:
Myelin
Question:
18. What are myelinated nerves segmented with?
Answer:
Periodic gaps called the nodes of Ranvier
Question:
19. What does the CNS consist of?
Answer:
The brain and the spinal cord
Question:
20. What three parts is the brain divided into?
Answer:
The cerebrum, the cerebellum, and the brain stem
Question:
21. What connects the brain's two hemispheres?
Answer:
The corpus callosum
Question:
22. What does the frontal lobe control?
Correct Solutions
Question:
1. What does the nervous system consist of?
Answer:
The brain, spinal cord, and peripheral nerves
Question:
2. What do you do when taking health history of an older adult who has difficulty
remembering information about themselves?
Answer:
Confirm the information with a family member or friend
Question:
3. What happens to the brain with age?
Answer:
Brain weight and the number of brain cells decrease and blood flow to the cerebrum is
diminished
Question:
4. What do older adults experience with age?
Answer:
Short-term memory loss and a slower reaction time
Question:
5. What do older adults with difficulty following directions during a physical exam respond
well to?
Answer:
Mimicking, modeling of desired behaviors, and verbal instructions
Question:
6. What should always be considered when an older person has a change in mental status?
Answer:
The possibility of drug toxicity or abrupt onset of delirium
Question:
7. What can help older adults to retain vocabulary, special awareness, and problem-solving?
,Answer:
Mental exercises
Question:
8. What do physical exercises in older adults promote?
Answer:
Circulation
Question:
9. What can help older adults to retain function?
Answer:
Involvement in social or educational activities
Question:
10. What may not be present if an older adult has cataracts?
Answer:
Pupillary response
Question:
11. What may be affected in older adults due to arthritic changes?
Answer:
Range of motion of the neck
Question:
12. What is the basic structure of the nervous system?
Answer:
The nerve cell or neuron
Question:
13. What do sensory neurons do?
Answer:
Transmit impulses TO the CNS
Question:
14. What do motor neurons do?
Answer:
Transmit impulses FROM the CNS
, Question:
15. What are dendrites?
Answer:
Afferent nerve fibers that conduct impulses to the cell body
Question:
16. What are axons?
Answer:
Efferent nerve fibers that project and conduct impulses away from the cell body
Question:
17. What fatty substance covers some axons in the CNS and PNS?
Answer:
Myelin
Question:
18. What are myelinated nerves segmented with?
Answer:
Periodic gaps called the nodes of Ranvier
Question:
19. What does the CNS consist of?
Answer:
The brain and the spinal cord
Question:
20. What three parts is the brain divided into?
Answer:
The cerebrum, the cerebellum, and the brain stem
Question:
21. What connects the brain's two hemispheres?
Answer:
The corpus callosum
Question:
22. What does the frontal lobe control?