Download Nervous System Test Review After you accidentally touch a hot pan

Nervous System
Test Review
1. After you accidentally touch a hot pan, you immediately jerk your hand away without thinking
about your action, and before you even feel the pain of the burn. What type of response is the
known as?
a. Reflex
2. In order for a nerve impulse to pass from an axon tip to the next structure, it must cross a space
called a _________________.
a. synapse
3. The type of neuron known as a(n) _______________ neuron picks up stimuli from the external
or internal environment and converts those stimuli to nerve impulses.
a. sensory
4. One function of the nervous system is to maintain ________________, or stability within the
body.
a. Homeostasis
5. The traffic light turns green, and the driver steps on the gas pedal to make the car move
forward. The green traffic light acts as a _______________ that caused a response in the driver.
a. stimulus
6. What kind of drug is alcohol?
a. Depressant
7. Why might drug addicts experience withdrawals when they stop using a drug?
a. Their bodies become physically dependant on the drug
8. What types of drugs slow down the activity of the central nervous system?
a. Depressant
9. What are the six major senses?
a. Sight, smell, touch, taste, hear, balance
10. Where do sense organs send information about the environment?
a. To the Brain
11. What is a concussion?
a. A bruise like injury to the brain
12. What is the most common cause for spinal cord injuries?
a. Car crashes
13. In some reflex actions, skeletal muscles contract without the involvement of the ____________.
a. Brain
14. When you feel thirsty, what body process is the nervous system helping to carry out?
a. Maintaining Homeostasis
15. Define stimulus.
a. A change or signals in the environment that can make an organism react.
16. Define response.
a. A reaction to a stimulus
17. What part of a neuron carries nerve impulses away from the cell body?
a. Axon
18. Where does a motor neuron send an impulse to?
a. Muscles
19. What is a synapse?
a. The space between an axon and the next structure
20. What organs make up the central nervous system?
a. Brain and spinal cord
21. Where does the peripheral nervous system extend to?
a. Legs, feet, arms, and hands
22. What part of the brain controls memory?
a. Cerebrum
23. What is the function of the brainstem?
a. It controls in voluntary processes, such as breathing
24. What types of neurons make up the spinal nerve?
a. interneurons
25. What type of actions are controlled by the somatic nervous system?
a. Voluntary actions
26. What type of actions are controlled by the autonomic nervous system?
a. Involuntary actions
27. Define reflex.
a. An automatic response of the body that occurs very rapidly and without conscious
control
28. What are the two types of neurons are controlled by the peripheral nervous system?
a. Motor and sensory
29. What is the function of the dendrite?
a. The part of the neuron that carries nerve impulses to the cell body
30. What is the function of the axon?
a. The part of a neuron that carries nerve impulses away from the cell body