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d. endorphins

Natural, opiatelike neurotransmitters linked to pain control are called

a.ACh agonists.
c.morphine antagonists.

b. interneurons

The vast majority of neurons in the body's information system are

a.stem cells.
c.motor neurons.
d.sensory neurons.

d. raises; dialates

In stressful situations, the sympathetic nervous system ________ blood sugar levels and ________ the pupils of the eyes.

a.lowers; dilates
b.raises; contracts
c.lowers; contracts
d.raises; dilates

c. neural networks

While listening to operatic solos, musicians process the lyrics and the tunes in separate brain areas. This most clearly illustrates the functioning of different

b.reticular formations.
c.neural networks.
d.limbic systems.

d. glands

The endocrine system consists of

a.association areas.
b.neural networks.

c. norepinephrine

Which of the following chemical messengers is both a neurotransmitter and a hormone?


c. a PET scan

Which of the following would be most useful for detecting the brain areas that are most active as a person performs mathematical calculations?

a.a brain lesion interneuron
c.a PET scan
d.a hemispherectomy

c. brainstem

Which region of the brain appears to have the oldest evolutionary history?

a.frontal lobes
b.limbic system
d.corpus callosum

c. cerebellum

After suffering an accidental brain injury, Kira has difficulty walking in a smooth and coordinated manner. She has probably suffered damage to her

d.corpus callosum.

d. hypothalamus

The limbic system structure that regulates hunger is called the


b. frontal lobes

Which portion of the cerebral cortex is most directly involved in making plans and formulating moral judgments?

a.occipital lobes
b.frontal lobes
c.temporal lobes
d.parietal lobes

d. association areas

The regions of the parietal lobes that are involved in mathematical and spatial reasoning are known as

a.the amygdala.
b.reward centers.
c.the reticular formation.
d.association areas.

c. aphasia

Due to an automobile accident, Jenny suffered damage to her cerebral cortex in Broca's area. Jenny is most likely to experience

a.auditory hallucinations.
b.memory loss.
d.paralysis of her left limbs.

c. plasticity

The successful functioning of children who have experienced the surgical removal of an entire cerebral hemisphere best illustrates the value of

d.ACh antagonists.

a. left; left

The ________ hemisphere typically excels in making subtle linguistic inferences and the ________ hemisphere typically excels in making quick, literal interpretations of language.

a.left; left
b.right; right
c.left; right
d.right; left

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