Chapter 3 Self Quiz Flashcards

(34 cards)

1
Q

Most neurons are involved in transmitting information from

A

one neuron to another

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2
Q

Which part of the neuron has the responsibility for receiving information from other neurons?

A

dendrites

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3
Q

The myelin sheath serves to

A

permit faster transmission of the neural impulse

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4
Q

The change in the polarity of a neuron that results from the inflow of positively charged ions and the outflow of negatively charged ions is called the

A

action potential

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5
Q

The task of passing a message from one neuron to another is actually carried out by

A

neurotransmitters

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6
Q

Which of the following techniques is often used by neurosurgeons to map the brain when performing brain surgery

A

ESB (Electrical Stimulation)

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7
Q

The seat of emotion is found in the

A

limbic system

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8
Q

Persons having difficulty with language and speech following an accident that resulted in injury to the brain are most likely sustained damage in the

A

left cerebral hemisphere

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9
Q

In carrying out the fight-or-flight response, the role of supervisor is assigned to the

A

hypothalamus

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10
Q

A person’s current weight and height could be said to exemplify his or her

A

phenotype

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11
Q

Which of the following types of studies can truly demonstrate that specific traits are indeed inherited

A

None of the above

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12
Q

Current evidence indicates that schizophrenia results from

A

multiple causes that involve both genetic and environmental factors

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13
Q

Psychology as a science strives to draw conclusions based on direct observations, and is thus

A

empirical

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14
Q

which is true: a. The right side of the brain is the creative side.b. The right and left sides of the brain are specialized to handle different kinds of information. c. Language tasks are always handled by the left side of the brain.d. All of the above statements are true.e. None of the above statements are true.

A

the right and left sides of the brain are specialized to handle different kinds of information. Correct

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15
Q

Which of the following is not one of Darwin’s four key insights?Select one:a. Some characteristics are heritable.b. Organisms vary in endless ways.c. Genetic drift is a major factor in the evolution of species. d. Organisms tend to reproduce faster than available resources.e. They are all insights.

A

c. Genetic drift is a major factor in the evolution of species.

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16
Q

The ability of the brain to alter is structure and function is called

17
Q

Evolutionary analyses assumes that:a. organisms are controlled by genetic determination.b. organisms have a motive to maximize reproductive fitness.c. only the physically strongest organisms will survive.d. organisms have a motive to copulate.e. all of the above.

A

d. organisms have a motive to copulate.

18
Q

Which of the following is correct?Select one:a. Human beings begin life with an insufficient number of synapses.b. Human beings begin life with an overabundance of synapses. c. Greater synaptic density is associated with great intelligence.d. Brain development is only malleable during the first 3 years of life.e. None of the above.

A

b. Human beings begin life with an overabundance of synapses. Correct

19
Q

. Agnosia may sometimes be helped bya.cues of touch.b.visual cues.c.waiting long enough to think through an answer.d.speech therapy.

A

ANSWER: Aagnosiainability to interpret sensations and hence to recognize things, typically as a result of brain damage

20
Q

There is a greater portion of motor cortex for thea.mouth.b.hands and fingers.c.feet and toes.d.legs.

21
Q

. The sense of smell depends on the __________ lobe.a.frontalb.occipitalc.parietald.temporal

22
Q

If the brain were similar to the postal system, the function of the thalamus would be similar to the role ofa.postmaster.b.mail sorter.c.mail carrier.d.Postmaster General.

23
Q

. Experiments with animals have found pleasure centers to be located in thea.pituitary gland.b.left parietal lobe.c.hypothalamus.d.amygdala.

24
Q

Which of the following statements concerning the brain is true?a.Because the cerebrum is so indispensable to functioning, damage to it may endanger a person’s life.b.Even if damage is limited to less crucial areas of the cortex, the person’s behavior changes so radically that even casual observers know that some brain damage has occurred.c.Damage to the subcortex may endanger a person’s life.d.The cerebral cortex is considered a part of the hindbrain.

25
Which of the following describes brains of persons who do well on mental tests?a.They seem to work the hardest.b.They seem to consume the least glucose.c.They have the largest corpus callosums.d.They are the easiest to study using EEGs.
ANSWER: B
26
If a "split-brain" subject were given a key (hidden from sight) to feel with his lefthand, hea.could easily name what he had touched.b.would be unable to describe the object.c.would be able to point to the key with his right hand.d.would have to wait for the information transfer to take place before describing it.
ANSWER: B
27
The functions of the amygdala includea.delivery of electrical stimulation to the limbic system.b.stopping electrical stimulation to the limbic system.c.stimulating the "pleasure" centers of the limbic system.d.helping us react to dangerous stimuli through a quick fear response.
ANSWER: D
28
Does having a larger brain make a person smarter?a.Recent research found a positive correlation between intelligence and the size of several higher brain structures.b.The overall volume of gray matter is not correlated with IQ test scores.c.Brain size alone determines human intelligence.d.Environment has clearly been found to be the sole determinant of human intelligence.
ANSWER: A
29
The brain center for audition (auditory) is in the __________ lobe.a.temporalb.parietalc.occipitald.frontal
ANSWER: A
30
28. A barefoot child steps on a bee, then jerks his or her foot back in response to the sting. This response has likely involved all parts of the nervous system EXCEPTa.the brain.b.the spinal cord.c.motor neurons.d.connector neurons or interneurons.A.A. The brain
A. The brain
31
Muscles can contract because they are made up ofa.motor neurons.b.effector cells.c.connector neurons.d.sensory neurons.
ANSWER: B
32
The channels that transport sodium and potassium within the axon are calleda.DNA and RNA channels.b.membrane channels.c.neurons channels.d.ion channels.
ANSWER: D
33
An action potential actually occurs becausea.the interior of the nerve cell becomes positive.b.the interior of the nerve cell becomes negative.c.potassium ions enter the nerve cell.d.sodium ions leave the nerve cell.
ANSWER: D
34
The branching fibers of the __________ end in __________ and link with parts of other neurons.a.soma; somatic membranesb.nucleus; nucleic dampersc.dendrite; dendritic arcsd.axon; axon terminals
ANSWER: D