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| 1 | |
Which of the following accounts for the movement of neurotransmitters across a synaptic cleft? |
| | A) | active transport |
| | B) | endocytosis |
| | C) | osmosis |
| | D) | diffusion |
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| 2 | |
The cell body and dendrites of a(n) _________ are located in the ventral horn of the spinal cord. |
| | A) | interneuron |
| | B) | motor neuron |
| | C) | sensory neuron |
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| 3 | |
Which of the following is not a component of the brainstem? |
| | A) | diencephalon |
| | B) | pons |
| | C) | medulla oblongata |
| | D) | midbrain |
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| 4 | |
Vital centers for regulating heartbeat, breathing, and blood pressure are located in the |
| | A) | cerebrum |
| | B) | cerebellum |
| | C) | thalamus |
| | D) | medulla oblongata |
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| 5 | |
Which of the following brain regions is responsible for muscle coordination and tone |
| | A) | cerebrum |
| | B) | cerebellum |
| | C) | thalamus |
| | D) | medulla oblongata |
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| 6 | |
The structure that joins the two cerebral hemispheres is called the |
| | A) | hypothalamus. |
| | B) | corpus callosum. |
| | C) | pons. |
| | D) | association area. |
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| 7 | |
Which of the following brain regions contains the hypothalamus? |
| | A) | thalamus |
| | B) | brain stem |
| | C) | diencephalon |
| | D) | medulla oblongata |
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| 8 | |
The primary visual area of the cerebrum is located in the _______ lobe. |
| | A) | frontal |
| | B) | occipital |
| | C) | parietal |
| | D) | temporal |
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| 9 | |
The primary motor area of the cerebrum is located in the _______ lobe. |
| | A) | frontal |
| | B) | occipital |
| | C) | parietal |
| | D) | temporal |
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| 10 | |
Which of the following meninges is nearest to the surface of the brain? |
| | A) | arachnoid layer |
| | B) | dura mater |
| | C) | pia mater |
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| 11 | |
Which cranial nerve has branches to serve internal organs? |
| | A) | trochear |
| | B) | trigeminal |
| | C) | vagus |
| | D) | hypoglossal |
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| 12 | |
Which of the following is not related to the sympathetic division? |
| | A) | fight of flight response |
| | B) | thoracic and lumbar fibers |
| | C) | longer postganglionic fiber that preganglionic fiber |
| | D) | acetylcholine |
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| 13 | |
All spinal nerves are mixed nerves. |
| | A) | True |
| | B) | False |
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| 14 | |
An axon carries a nerve impulse away from a motor neuron's cell body. |
| | A) | True |
| | B) | False |
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| 15 | |
Interneurons carry nerve impulses from the central nervous system to visceral organs. |
| | A) | True |
| | B) | False |
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| 16 | |
During depolarization of a neuron plasma membrane, potassium ions move into the cell. |
| | A) | True |
| | B) | False |
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| 17 | |
Sodium ions are more concentrated outside of a neuron than in the cytoplasm. |
| | A) | True |
| | B) | False |
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| 18 | |
Acetylcholine is a well-known neurotransmitter. |
| | A) | True |
| | B) | False |
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| 19 | |
Gray matter in the central nervous system contains primarily myelinated nerve fibers and cell bodies. |
| | A) | True |
| | B) | False |
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| 20 | |
Consciousness is under the control of the cerebrum. |
| | A) | True |
| | B) | False |
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| 21 | |
The gray matter of the spinal cord, when viewed in cross section, resembles the letter H. |
| | A) | True |
| | B) | False |
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| 22 | |
Humans have twelve pairs of spinal nerves. |
| | A) | True |
| | B) | False |
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| 23 | |
Interneurons do not participate in a reflex arc. |
| | A) | True |
| | B) | False |
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| 24 | |
After age 60 plus, the brain loses weight as the person gets older. |
| | A) | True |
| | B) | False |
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| 25 | |
Parkinson disease is caused by the destruction of the basal nuclei cells which produced which chemical? |
| | A) | acetylcholine |
| | B) | norepinephrine |
| | C) | epinephrine |
| | D) | dopamine |
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| 26 | |
What are cells called that support and nourish neurons? |
| | A) | dendrites |
| | B) | axons |
| | C) | neurotransmitters |
| | D) | neuroglia |
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| 27 | |
What are the three specific functions of the nervous system? |
| | A) | sensory input, integration, peripheral interpretation |
| | B) | sensory input, integration, peripheral involuntary input |
| | C) | integration, sensory input, motor output |
| | D) | motor output, peripheral interpretation, voluntary input |
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