Question 1
Question
The neuron fiber that passes messages through its branches to other neurons or to muscles and glands is the _______.
Answer
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myelin sheath
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synapse
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axon
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thalamus
Question 2
Question
The tiny space between the axon of one neuron and the dendrite or cell body of another is called the
Answer
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axon terminal.
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branching fiber.
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synaptic gap
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threshold
Question 3
Question
Regarding a neuron's response to stimulation, the intensity of the stimulus determines
Answer
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whether or not an impulse is generated.
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how fast an impulse is transmitted.
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how intense an impulse will be.
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whether reuptake will occur.
Question 4
Question
In a sending neuron, when an action potential reaches an axon terminal, the impulse triggers the release of chemical messengers called
Answer
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hormones
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neurotransmitters
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dendrites
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reticular formation
Question 5
Question
Endorphins are released in the brain in response to
Answer
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morphine or heroine.
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pain or vigorous exercise.
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the all-or-none response.
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All these answers are correct.
Question 6
Question
The autonomic nervous system controls internal functions, such as heart rate and glandular activity. The word autonomic means
Answer
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calming.
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voluntary.
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self-regulating.
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arousing.
Question 7
Question
The sympathetic nervous system arouses us for action and the parasympathetic nervous system calms us down. Together, the two systems make up the [blank_start]autonomic[blank_end] nervous system.
Question 8
Question
The neurons of the spinal cord are part of the [blank_start]central[blank_end] nervous system.
Question 9
Question
The most influential endocrine gland, known as the master gland, is the
Answer
-
pituitary.
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hypothalamus.
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thyroid.
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pancreas.
Question 10
Question
The [blank_start]adrenal gland[blank_end] secrete(s) epinephrine and norepinephrine, helping to arouse the body during times of stress.
Question 11
Question
The part of the brainstem that controls heartbeat and breathing is the
Answer
-
cerebellum.
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medulla.
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cortex.
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thalamus.
Question 12
Question
The thalamus functions like a(n)
Answer
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memory bank.
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balance center.
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breathing regulator.
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Internet router.
Question 13
Question
The lower brain structure that governs arousal is the
Answer
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spinal cord.
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cerebellum.
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reticular formation.
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medulla.
Question 14
Question
The part of the brain that coordinates voluntary movement and enables nonverbal learning and memory is the [blank_start]cerebellum[blank_end].
Question 15
Question
Two parts of the limbic system are the amygdala and the
Answer
-
cerebral hemispheres.
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hippocampus.
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thalamus.
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pituitary.
Question 16
Question
A cat's ferocious response to electrical brain stimulation would lead you to suppose the electrode had touched the [blank_start]amygdala[blank_end].
Question 17
Question
The neural structure that most directly regulates eating, drinking, and the body temperature is the
Answer
-
endocrine system.
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hypothalamus.
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hippocampus.
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amygdala.
Question 18
Question
The initial reward center discovered by Olds and Milner was located in the [blank_start]hypothalamus[blank_end].
Question 19
Question
If a neurosurgeon stimulated your right motor cortex, you would most likely