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Multiple Choice
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1

In the nerve cell, the ____________ carries messages away from the cell body and toward the synapse.
A)cell body
B)axon
C)dendrite
D)synapse
2

What is the correct distribution of electrical charges in a polar neuron?
A)negative on the inside and negative on the outside
B)positive on the inside and positive on the outside
C)positive on the inside and negative on the outside
D)positive on the outside and negative on the inside
3

In a depolarizing neuron, what is the correct distribution of electrical charges near a permeable portion on the cell membrane?
A)negative on the inside and negative on the outside
B)positive on the inside and positive on the outside
C)positive on the inside and negative on the outside
D)positive on the outside and negative on the inside
4

Which neurotransmitter inhibits violent behavior?
A)serotonin
B)norepinephrine
C)dopamine
D)acetylcholine
5

In the ____________, interneurons are responsible for the quick reflex actions associated with painful stimuli.
A)spinal cord
B)cerebral cortex
C)arms and legs
D)thalamus
6

On which system does sensory information travel from the central nervous system to the skeletal muscles?
A)autonomic
B)parasympathetic
C)sympathetic
D)somatic
7

The _______________ plays an importance role in well-rehearsed behaviors requiring muscle coordination.
A)medulla
B)hypothalamus
C)cerebellum
D)corpus callosum
8

Damage to _______________ might result in an inability to comprehend incoming speech.
A)Wernicke's area
B)the occipital lobe
C)Broca's area
D)parietal lobe
9

Which area of the brain plays an unmistakable role in laying down new memories?
A)the amygdala
B)the thalamus
C)the pons
D)the hippocampus
10

Which lobe is responsible for active planning of behaviors and foreseeing their potential consequences?
A)occipital
B)frontal
C)parietal
D)temporal
11

Where are the parietal lobes located?
A)behind the frontal lobes at the top of the skull
B)at the back of the head
C)below the temporal lobes
D)behind the occipital lobes and in front of the temporal lobes
12

A lack of exposure to enough sunlight can profoundly influence your production of
A)thyroxin.
B)parathormone.
C)epinephrine.
D)melatonin.
13

Which brain area controls the pituitary gland?
A)the amygdala
B)the medulla
C)the hypothalamus
D)the hippocampus
14

Where are the adrenal glands located?
A)on the top of each kidney
B)in the pancreas
C)directly behind the bridge of the nose
D)in the neck
15

Assume that a single gene controls the development of freckles. (F) is the dominant gene for freckles and (f) is the recessive gene. If your mother and father both have freckles, but you don't, what should you conclude?
A)Your mother's genotype is FF and your father's genotype is Ff.
B)Your mother's genotype is Ff and your father's genotype is Ff.
C)Your mother's genotype is FF and your father's genotype is FF.
D)Your mother's genotype is ff and your father's genotype is FF.





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