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Which letter points to the brain structure that plays a key role in controlling balance, muscle tone, and coordinated movements? Which letter points to the brain structure that plays a key role in controlling balance, muscle tone, and coordinated movements?   A)  corpus callosum B)  pons C)  cerebellum D)  medulla


A) corpus callosum
B) pons
C) cerebellum
D) medulla

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

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What happens to neurotransmitters that fail to attach to a receptor site?


A) In a process called reuptake, they are reabsorbed by the sending neuron and recycled.
B) They bind with potassium ions.
C) They are destroyed by glial cells.
D) In a process called depolarization, they are neutralized by negative ions.

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

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The autonomic nervous system communicates sensory information to the central nervous system (CNS) and carries motor messages from the CNS to the muscles.

A) True
B) False

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Schwann cells remove waste products, including dead and damaged neurons, from the nervous system.

A) True
B) False

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Which of the following help(s) regulate blood pressure, metabolism, and reproduction?


A) myelin
B) endorphins
C) glial cells
D) hormones

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

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The signals for voluntary muscle movements originate in the somatosensory cortex on the frontal lobe.

A) True
B) False

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Pituitary hormones regulate the production of other hormones by many of the glands in the endocrine system.

A) True
B) False

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The action potential is the brief electrical impulse that is transmitted along the axon.

A) True
B) False

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Oligodendrocytes and Schwann cells form the _____, which is a fatty covering that is wrapped around the axons of some neurons.


A) dendrites
B) astrocytes
C) myelin sheath
D) microglia

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

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The right side of the brain controls movements on the left side of the body, such as the ability to kick your left leg. Where do the outgoing motor messages cross over?


A) at the forebrain level
B) at the midbrain level
C) in the spinal cord
D) at the hindbrain level

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

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How do the fields of biological psychology and neuroscience contribute to basic psychological knowledge?

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The fields of biological psychology and ...

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A particular neurotransmitter:


A) always communicates either an excitatory or inhibitory effect.
B) can sometimes have different effects in different areas of the brain.
C) can be located in the central nervous system or the peripheral nervous system, but not in both.
D) can attach to any available receptor site on adjacent neurons.

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

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As you are walking on a beach, you pick up an odd-looking seashell that has a very rough texture. As you rub your fingers over the shell, sensory messages are communicated via the _____ nervous system to the central nervous system.


A) somatic
B) autonomic
C) sympathetic
D) parasympathetic

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

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Microglia are involved in brain development and the communication of information among neurons.

A) True
B) False

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How does information transmission in the endocrine system differ from that in the nervous system?

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The endocrine system and the nervous sys...

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Dopamine is the neurotransmitter that is most depleted in Alzheimer's patients.

A) True
B) False

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The two main divisions of the nervous system are the _____ and the _____.


A) peripheral nervous system; central nervous system
B) central nervous system; autonomic nervous system
C) brain; spinal cord
D) autonomic nervous system; somatic nervous system

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

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Which of the following body areas has (have) the greatest degree of representation on the primary motor cortex and the somatosensory cortex?


A) the knees
B) the face
C) the arms
D) the feet

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

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What keeps an action potential continuing down an axon?


A) At each successive segment of the axon, the action potential is regenerated by depolarization and the movement of ions across the axon's membrane.
B) Neurotransmitters are constantly being released to generate the action potential at each successive segment of the axon.
C) Action potentials are conducted down the axon, just as electricity is conducted through a wire.
D) Ion channels open and close at the nodes of Ranvier, allowing neurotransmitters to enter into the axon and regenerate an action potential at each node.

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

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A(n) _____ is a drug or other chemical that binds to a receptor site and triggers a response in the cell.


A) antagonist
B) endorphin
C) agonist
D) opiate

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

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