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When a neuron carries the electrical potential of _____ millivolts, it is in the state called _____


A) -70; resting potential.
B) +50; refractory period.
C) -50; resting potential.
D) -30; refractory period.

E) None of the above
F) All of the above

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Pruning is _____


A) a process that eliminates unnecessary and redundant synapses.
B) a medical procedure used to remove brain tumors.
C) the death of brain cells due to disease or damage.
D) the shortening of dendrites to make them more efficient.

E) C) and D)
F) All of the above

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The two divisions of the autonomic nervous system are the _____ and the _____


A) somatic; peripheral.
B) sympathetic; parasympathetic.
C) central; peripheral.
D) brain; spinal cord.

E) None of the above
F) B) and D)

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All of the nerves outside your spinal cord and brain make up the _____


A) central nervous system.
B) sympathetic nervous system.
C) sensory nervous system.
D) peripheral nervous system.

E) None of the above
F) A) and C)

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Without the _____ in your midbrain, you could not ride a bike without giving each movement conscious thought.


A) substantia nigra
B) thalamus
C) limbic system
D) pons

E) B) and C)
F) A) and B)

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Darla was in an automobile accident that resulted in an injury to her brain. Her sense of touch has been affected. Which part of the brain is the most likely site of the damage?


A) frontal lobe
B) temporal lobe
C) occipital lobe
D) parietal lobe

E) C) and D)
F) A) and B)

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In terms of neural firing, how can we tell the difference between a strong stimulus (such as a stray dog running toward you)and a weak stimulus (such as seeing a butterfly)?

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The strong stimulus will cause more neur...

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EEG stands for _____


A) Electrical Encoded Graph.
B) encoded encephalogram.
C) electroencephalogram.
D) electro energy gram.

E) All of the above
F) C) and D)

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Melatonin, a hormone that regulates sleep and wakefulness, is produced by the _____ gland.


A) pineal
B) pituitary
C) parathyroid
D) thymus

E) A) and B)
F) A) and C)

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Describe the two different types of twins and explain their significance to the field of psychology.

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Identical twins occur when one egg is fe...

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A chemical found in the sacs within an axon terminal which, when released, has an effect on a nearby neuron is called a _____


A) glial cell.
B) neurotransmitter.
C) precursor cell.
D) synapse.

E) All of the above
F) A) and D)

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Neurotransmitters have the ability to bind with receptors located on _____ and _____.

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dendrites;...

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The endocrine system consists of various _____ that create and release _____


A) glands; hormones.
B) neurons; neurotransmitters.
C) glial cells; hormones.
D) glands; acetylcholine.

E) None of the above
F) A) and B)

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Tasha's sympathetic nervous system is not working. Which of the following would be a likely result?


A) Tasha is experiencing an excess of flight or fight response.
B) Tasha's digestion will be constantly slowed down.
C) Tasha's heart will not speed up when she is in an emergency situation.
D) Tasha will develop health problems from chronic stress.

E) B) and D)
F) B) and C)

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Each neuron may have synapses with _____ other neurons.


A) two or three
B) thousands of
C) up to ten
D) no more than 100

E) A) and D)
F) A) and C)

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Slightly above the ears, the _____ lobes contain the primary _____ cortex, which receives sound input from our ears.


A) auditory; temporal
B) temporal; auditory
C) hearing; sound
D) parietal; sensory

E) B) and C)
F) C) and D)

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Reuptake refers to the process by which neurotransmitters in the synaptic cleft are _____


A) sent back into receptors again.
B) moved back into their axon terminal.
C) broken apart.
D) absorbed by the receiving neuron.

E) None of the above
F) B) and D)

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The trait of hand preference illustrates that _____


A) genes are our destiny.
B) learning outweighs genes.
C) nature always wins.
D) nature and nurture work together.

E) B) and C)
F) A) and C)

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Patti is passing on a mutated gene on her X chromosome. Why is her son more likely to express the mutation in his phenotype than her daughter is?


A) Males are more likely to inherit the bad copy of a gene whenever there is one.
B) Males do not have a second X chromosome that might have a good copy of the gene.
C) Estrogen will silence a mutated gene once her daughter experiences puberty.
D) Her daughter's Y chromosome will probably have a good copy of that gene to offset the bad one.

E) B) and D)
F) None of the above

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You just took a tumble and your arm really hurts. You are wishing your brain would release a lot of _____ to help relieve the pain.


A) acetylcholine
B) dopamine
C) serotonin
D) endorphins

E) A) and B)
F) B) and C)

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