Download Unit 4 Test Nervous System

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Unit 4 Test: The Nervous System
1. The central nervous system (CNS) includes the …
a. All afferent nerves
b. All efferent nerves
c. The brain and the spinal cord
d. All neural tissue
2. Which of the following is a major function of the nervous system?
a. Sensory – monitors internal and external environment
b. Integration – interprets sensory information
c. Motor – responds to sensory information
d. All of the above are major functions of the nervous system
3. All neural tissue located outside of the brain and spinal cord is referred to as the…
a. Peripheral Nervous System
b. Central Nervous System
c. Primary Motor Cortex
d. Primary Sensory Cortex
4. Nerves that transmit impulses from the CNS to the muscles and glands are known as
a. Neuroglia
b. Glial cells
c. Afferent nerves
d. Efferent nerves
5. Nerves that transmit sensory information gathered from the skin, muscles, and joints
and send it to the CNS are referred to as
a. Neuroglia
b. Afferent nerves
c. Efferent nerves
d. Motor nerves
6. The direction an action potential (nerve impulse) travels is
a. One direction: From dendrites to axon terminals
b. One direction: From axon terminals to dendrites
c. Two directions: Can travel up or down the neuron
d. Any direction: Whichever direction the impulse is stronger
7. What is the main function of myelin?
a. Produces neurotransmitters
b. Stops transmission of signals along the axon
c. Speeds up the transmission of signals along the axon
d. To protect the cell body of the neuron
8. Dopamine and Serotonin are chemical messengers that allow neurons to communicate
across the synapse. These chemicals are classified as…
a. Multipolar neurons
b. Glial cells
c. Somas
d. Neurotransmitters
9. True or False? All motor neurons are multipolar neurons.
10. Withdrawing your hand from something hot before you even realize it is hot can be
classified as a …
a. Somatic reflex
b. Autonomic reflex
c. Sympathetic reflex
d. Parasympathetic reflex
Label the following regions of the brain using the word bank below.
Frontal lobe, Temporal lobe, Occipital lobe, Parietal lobe, Cerebellum, Brain Stem
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17. True or False?: The corpus callosum is the connection of nerves of the brain that helps the
left and right hemispheres talk to each other (aka “crosstalk”).
Match the following regions with their corresponding functions:
18. Primary Motor Cortex
a. Vision
19. Broca’s Area
b. Hearing
20. Olfactory Bulb
c. Taste
21. Primary Sensory Cortex
d. Smell
22. Gustatory Cortex
e. Speech
23. Primary Visual Cortex
f. Touch & Orientation
24. Primary Auditory Cortex
g. Movement
Label the following neuron using this word bank below:
Dendrites, Axon, Axon Terminals, Myelin, Soma, Nucleus
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31. Meningitis is inflammation of the
spinal cord.
that surround the brain and
a. Cerebrum
b. Cerebellum
c. Meninges
d. Midbrain
32. Alzheimer’s disease is a progressive loss of brain function that affects…
a. Memory
b. Thinking
c. Behavior
d. All of the above
33. True or False? Multiple Sclerosis (MS) is considered an autoimmune disease.