Question 1

____ nerves receive information, while ____ nerves carry out instructions.

Accepted Answer

A)   Afferent; efferent
B)   Motor; sensory
C)   Somatic; autonomic
D)   Autonomic; skeletalE) All of the above
F) C) and D)

Question 2

Sara is holding Scott's hand during a scary movie. Suddenly she squeezes his hand very hard. When she does this, the neurons in Scott's hand will

Accepted Answer

A)   start to fire at a faster rate.
B)   send stronger signals to his central nervous system.
C)   enter an absolute refractory period.
D)   release more chloride ions.E) A) and C)
F) None of the above

Question 3

The branchlike extensions of neurons that receive messages from other neurons are called ____________________.

Accepted Answer

The answer of The branchlike extensions of neurons that receive...

Question 4

Milo's doctors believe he might have schizophrenia, but before they make their final diagnosis they want to study detailed, three-dimensional images of Milo's brain structures. The technique the doctors are most likely to use in this case would be

Accepted Answer

A)   electrical stimulation of the brain (ES
B)  .
B)   a magnetic resonance imaging (MRI)  scan.
C)   a positron emission tomography (PET)  scan.
D)   an electroencephalograph (EEG)  recording.E) B) and C)
F) All of the above

Question 5

Leonard's mother became dehydrated during a recent illness, and the levels of sodium in her body were significantly reduced. If enough sodium was lost you might expect that

Accepted Answer

A)   her nervous system would become highly activated and action potentials would be generated continuously.
B)   fewer action potentials would occur in her nervous system.
C)   more neurotransmitters would be produced in her terminal buttons.
D)   glial cells would start to degenerate and die.E) All of the above
F) C) and D)

Question 6

An impulse moves from one neuron to another through the action of

Accepted Answer

A)   neurotransmitters.
B)   hormones.
C)   action potentials.
D)   neuromodulators.E) A) and B)
F) A) and C)

Question 7

Bradley is deeply relaxed and his muscles are not moving at all. This suggests that, for Bradley's motor neurons

Accepted Answer

A)   sodium ions are concentrated inside the neurons and potassium ions are concentrated outside the neurons.
B)   sodium ions and potassium ions are both concentrated inside the neurons.
C)   sodium ions and potassium ions are both concentrated outside the neurons.
D)   sodium ions are concentrated outside the neurons and potassium ions are concentrated inside the neurons.E) None of the above
F) A) and B)

Question 8

A ____ contains thousands of ____.

Accepted Answer

A)   DNA; genes
B)   DNA; chromosomes
C)   chromosome; genes
D)   gene; chromosomesE) A) and B)
F) B) and C)

Question 9

Explain how genetic information can affect behaviour.

Accepted Answer

The basic units of genetic transmission ...

Question 10

Edmund was walking down a dark street when he heard a car backfire. His heart started to race and he began to perspire in response to this sudden, startling noise. These physical reactions were triggered by Edmund's

Accepted Answer

A)   parasympathetic nervous system.
B)   somatic nervous system.
C)   sympathetic nervous system.
D)   cerebellum.E) B) and C)
F) None of the above

Question 11

Imagine the following scenario: Administrators at the local high school have been impressed by recent media reports of cerebral hemispheric specialisation, and are considering curricular reform to achieve a better balance between "left-brained" and "right-brained" activities. You have been hired to advise them on this issue. What would your recommendation be, and why?

Accepted Answer

Although there is some evidence that the...

Question 12

In family studies researchers assess hereditary influence by

Accepted Answer

A)   comparing members of one family to unrelated individuals to see how much they resemble one another on specific traits.
B)   comparing blood relatives to see how much they resemble one another on specific traits.
C)   comparing the resemblance of adopted children to both their biological and adoptive parents on specific traits.
D)   comparing the resemblance of identical and fraternal twins on specific traits.E) B) and D)
F) A) and D)

Question 13

The portion of the human brain that mediates simple reflexes, such as sneezing, coughing and salivating is the

Accepted Answer

A)   hindbrain.
B)   midbrain.
C)   cerebellum.
D)   thalamus.E) All of the above
F) A) and D)

Question 14

Which two procedures allow researchers to visualise changes in brain activity over time?

Accepted Answer

A)   PET scan and CT
B)   PET scan and fMRI
C)   MRI and fMRI
D)   CT scan and MRIE) A) and B)
F) B) and C)

Question 15

The movement of voluntary skeletal muscles involved in doing calisthenics is under the control of the

Accepted Answer

A)   somatic nervous system.
B)   parasympathetic nervous system.
C)   sympathetic nervous system.
D)   autonomic nervous system.E) None of the above
F) B) and C)

Question 16

In Parkinsonism the tremors, muscular rigidity and reduced control over voluntary movements appears to be a function of

Accepted Answer

A)   damage to glia cells.
B)   degeneration of neurons that use dopamine as a neurotransmitter.
C)   agonistic chemical action on the receptor sites of the cerebrum.
D)   enzymatic deficiency that does not allow for the proper cleanup of waste products in the nervous system.E) A) and B)
F) B) and C)

Question 17

The electrical charge that exists between the inside and the outside of a neuron when the neuron is neither receiving nor sending is approximately

Accepted Answer

A)   -1000 millivolts
B)   +60 to +70 millivolts
C)   -60 to -70 millivolts
D)   +1000 millivoltsE) A) and D)
F) B) and D)

Question 18

In which of the lobes of the cerebrum is the somatosensory cortex located?

Accepted Answer

A)   frontal
B)   parietal
C)   temporal
D)   occipitalE) None of the above
F) B) and D)

Question 19

An electric potential that increases the likelihood that the postsynaptic neuron will fire is called an

Accepted Answer

A)   all-or-none potential.
B)   inhibitory postsynaptic potential.
C)   excitatory postsynaptic potential.
D)   excitatory presynaptic potential.E) A) and D)
F) All of the above

Question 20

Donald and Ronald are identical twins who have been raised apart, in separate adoptive homes. However, both brothers have developed the same psychological disorder. This information could be used as evidence to suggest that

Accepted Answer

A)   environmental factors have more influence than genetic factors in this disorder.
B)   both genetic and environmental factors contribute equally to this disorder.
C)   genetic factors have more influence than environmental factors in this disorder.
D)   neither genetic nor environmental factors contribute to this disorder.E) B) and C)
F) A) and D)

Exam 3: Biology of Behaviour

The portion of the human brain that mediates simple reflexes, such as sneezing, coughing and salivating is the

Correct Answer
verified

Which two procedures allow researchers to visualise changes in brain activity over time?

Correct Answer
verified

Donald and Ronald are identical twins who have been raised apart, in separate adoptive homes. However, both brothers have developed the same psychological disorder. This information could be used as evidence to suggest that

Correct Answer
verified

Milo's doctors believe he might have schizophrenia, but before they make their final diagnosis they want to study detailed, three-dimensional images of Milo's brain structures. The technique the doctors are most likely to use in this case would be

Correct Answer
verified

Explain how genetic information can affect behaviour.

Correct Answer
verified
The basic units of genetic transmission ...
View Answer

Edmund was walking down a dark street when he heard a car backfire. His heart started to race and he began to perspire in response to this sudden, startling noise. These physical reactions were triggered by Edmund's

Correct Answer
verified

Sara is holding Scott's hand during a scary movie. Suddenly she squeezes his hand very hard. When she does this, the neurons in Scott's hand will

Correct Answer
verified

Correct Answer
verified
Although there is some evidence that the...
View Answer

The branchlike extensions of neurons that receive messages from other neurons are called ____________________.

Correct Answer
verified

In family studies researchers assess hereditary influence by

Correct Answer
verified

nerves receive information, while nerves carry out instructions.

Correct Answer
verified

The movement of voluntary skeletal muscles involved in doing calisthenics is under the control of the

Correct Answer
verified

Bradley is deeply relaxed and his muscles are not moving at all. This suggests that, for Bradley's motor neurons

Correct Answer
verified

In Parkinsonism the tremors, muscular rigidity and reduced control over voluntary movements appears to be a function of

Correct Answer
verified

An electric potential that increases the likelihood that the postsynaptic neuron will fire is called an

Correct Answer
verified

Leonard's mother became dehydrated during a recent illness, and the levels of sodium in her body were significantly reduced. If enough sodium was lost you might expect that

Correct Answer
verified

An impulse moves from one neuron to another through the action of

Correct Answer
verified

In which of the lobes of the cerebrum is the somatosensory cortex located?

Correct Answer
verified

A contains thousands of .

Correct Answer
verified

The electrical charge that exists between the inside and the outside of a neuron when the neuron is neither receiving nor sending is approximately

Correct Answer
verified

Exam 3: Biology of Behaviour

The portion of the human brain that mediates simple reflexes, such as sneezing, coughing and salivating is the

Correct AnswerverifiedShow Answer

Which two procedures allow researchers to visualise changes in brain activity over time?

Correct AnswerverifiedShow Answer

Donald and Ronald are identical twins who have been raised apart, in separate adoptive homes. However, both brothers have developed the same psychological disorder. This information could be used as evidence to suggest that

Correct AnswerverifiedShow Answer

Milo's doctors believe he might have schizophrenia, but before they make their final diagnosis they want to study detailed, three-dimensional images of Milo's brain structures. The technique the doctors are most likely to use in this case would be

Correct AnswerverifiedShow Answer

Explain how genetic information can affect behaviour.

Correct AnswerverifiedThe basic units of genetic transmission ...View AnswerShow Answer

Edmund was walking down a dark street when he heard a car backfire. His heart started to race and he began to perspire in response to this sudden, startling noise. These physical reactions were triggered by Edmund's

Correct AnswerverifiedShow Answer

Sara is holding Scott's hand during a scary movie. Suddenly she squeezes his hand very hard. When she does this, the neurons in Scott's hand will

Correct AnswerverifiedShow Answer

Correct AnswerverifiedAlthough there is some evidence that the...View AnswerShow Answer

The branchlike extensions of neurons that receive messages from other neurons are called ____________________.

Correct AnswerverifiedShow Answer

In family studies researchers assess hereditary influence by

Correct AnswerverifiedShow Answer

____ nerves receive information, while ____ nerves carry out instructions.

Correct AnswerverifiedShow Answer

The movement of voluntary skeletal muscles involved in doing calisthenics is under the control of the

Correct AnswerverifiedShow Answer

Bradley is deeply relaxed and his muscles are not moving at all. This suggests that, for Bradley's motor neurons

Correct AnswerverifiedShow Answer

In Parkinsonism the tremors, muscular rigidity and reduced control over voluntary movements appears to be a function of

Correct AnswerverifiedShow Answer

An electric potential that increases the likelihood that the postsynaptic neuron will fire is called an

Correct AnswerverifiedShow Answer

Leonard's mother became dehydrated during a recent illness, and the levels of sodium in her body were significantly reduced. If enough sodium was lost you might expect that

Correct AnswerverifiedShow Answer

An impulse moves from one neuron to another through the action of

Correct AnswerverifiedShow Answer

In which of the lobes of the cerebrum is the somatosensory cortex located?

Correct AnswerverifiedShow Answer

A ____ contains thousands of ____.

Correct AnswerverifiedShow Answer

The electrical charge that exists between the inside and the outside of a neuron when the neuron is neither receiving nor sending is approximately

Correct AnswerverifiedShow Answer

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The basic units of genetic transmission ...
View Answer

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Correct Answer
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Although there is some evidence that the...
View Answer

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Correct Answer
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nerves receive information, while nerves carry out instructions.

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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A contains thousands of .

Correct Answer
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Correct Answer
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