Question 1

The technique in which radioactive markers are introduced into the brain and then equipment monitors where the chemicals appear in the brain is ​

Accepted Answer

A)  computerized tomography.
B)  positron emission tomography.
C)  magnetic resonance imaging.
D)  electrographic tomography.E) B) and D)
F) All of the above

Question 2

_____ refers to the reproductive success of an individual organism relative to the average reproductive success in the population. ​

Accepted Answer

A)  Natural selection
B)  Polygenic transmission
C)  Fitness
D)  Gene flowE) All of the above
F) B) and C)

Question 3

Sensory information is carried from your eyes to your brain by way of  _____ fibers.

Accepted Answer

A)  afferent
B)  autonomic
C)  efferent
D)  motorE) A) and B)
F) None of the above

Question 4

The part of a neuron that transmits information away from the neuron and toward another neuron is the ​

Accepted Answer

A)  synapse.
B)  soma.
C)  dendrites.
D)  axon.E) None of the above
F) A) and B)

Question 5

If a patient has severe damage to the prefrontal cortex, he might have difficulty

Accepted Answer

A)  identifying visually complex materials.
B)  planning, paying attention, and getting organized.
C)  identifying objects by touch.
D)  hearing sounds.E) B) and C)
F) B) and D)

Question 6

The minimum length of time between action potentials is determined by

Accepted Answer

A)  transduction capacity.
B)  transduction incapacity.
C)  the absolute refractory period.
D)  the relative threshold period.E) None of the above
F) All of the above

Question 7

Nadine had a stroke that was confined to the right side of her brain. Based on hemispheric lateralization studies, Nadine will likely have the MOST problems with tasks that require

Accepted Answer

A)  spatial skills, such as fitting together puzzle pieces.
B)  language and communication.
C)  fine motor coordination.
D)  mathematics and logical reasoning skills.E) A) and D)
F) All of the above

Question 8

The structure that connects the two cerebral hemispheres is the ​

Accepted Answer

A)  corpus callosum.
B)  pineal gland.
C)  thalamus.
D)  parietal lobe.E) B) and D)
F) All of the above

Question 9

A neuron in its nonfiring state is said to be at its _____.

Accepted Answer

The answer of A neuron in its nonfiring state is...

Question 10

An inhibitory postsynaptic potential _____ the likelihood that the postsynaptic neuron will fire action potentials. ​

Accepted Answer

The answer of An inhibitory postsynaptic potential _____ the likelihood...

Question 11

Which of the following individuals is likely to be at the HIGHEST level of sympathetic arousal? ​

Accepted Answer

A)  Melissa, who is daydreaming and staring out the window
B)  Keith, who is concentrating on a lecturer and taking careful notes
C)  Professor Trong, who is lecturing
D)  Bill, who is anticipating an exam he will take within the hour and for which he is unpreparedE) B) and D)
F) B) and C)

Question 12

Zeke has no problem understanding what other people say to him, but he has difficulty producing spoken language. If Zeke's problem stems from damage to the cerebral cortex, the damage would MOST likely be in ​

Accepted Answer

A)  Wernicke's area.
B)  Broca's area.
C)  the cerebellum.
D)  the right parietal lobe.E) B) and C)
F) A) and D)

Question 13

A(n)  _____ scan uses magnetic fields, radio waves, and computerized enhancement to map brain structure.

Accepted Answer

A)  MRI
B)  ESB
C)  PET
D)  TMSE) All of the above
F) B) and C)

Question 14

Electrodes placed in which of the following locations are likely to produce the highest rates of self-stimulation by an animal?

Accepted Answer

A)  Amygdala
B)  C erebral cortex
C)  Medial forebrain bundle
D)  PosteriorE) B) and C)
F) A) and D)

Question 15

The amount of motor cortex devoted to each body area is determined by

Accepted Answer

A)  the size of the body area.
B)  the location of the body area.
C)  the diversity of movements of the body area.
D)  none of these factors.E) A) and B)
F) A) and C)

Question 16

The somatic nervous system and the autonomic nervous system comprise the _____ nervous system.

Accepted Answer

A)  central
B)  peripheral
C)  sympathetic
D)  afferentE) A) and B)
F) A) and C)

Question 17

The carriers of genetic information in the form of DNA are the

Accepted Answer

A)  chromosomes.
B)  ribosomes.
C)  nucleotides.
D)  rhizomes.E) A) and D)
F) All of the above

Question 18

Fiona puts her hands into a sink of lukewarm water; Luke puts his hands into a sink of ice-cold water. Based on what is known about neural transmission, you could predict that the action potentials will ​

Accepted Answer

A)  travel more quickly in Luke's system because the stimulus is more intense.
B)  be weaker in Fiona's system because the stimulus is less intense.
C)  be the same in both individuals due to the all-or-none principle.
D)  travel a shorter distance in Luke's system because the stimulus is more intense.E) A) and B)
F) A) and D)

Question 19

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

Question 20

The cells of the nervous system that do the work of receiving, integrating, and transmitting information are the ​

Accepted Answer

A)  neurilemma.
B)  glia.
C)  neuroblasts.
D)  neurons.E) All of the above
F) None of the above

Exam 3: The Biological Bases of Behavior

The cells of the nervous system that do the work of receiving, integrating, and transmitting information are the ​

Correct AnswerverifiedShow Answer

Nadine had a stroke that was confined to the right side of her brain. Based on hemispheric lateralization studies, Nadine will likely have the MOST problems with tasks that require

Correct AnswerverifiedShow Answer

A neuron in its nonfiring state is said to be at its _____.

Correct AnswerverifiedShow Answer

A(n) _____ scan uses magnetic fields, radio waves, and computerized enhancement to map brain structure.

Correct AnswerverifiedShow Answer

Zeke has no problem understanding what other people say to him, but he has difficulty producing spoken language. If Zeke's problem stems from damage to the cerebral cortex, the damage would MOST likely be in ​

Correct AnswerverifiedShow Answer

The technique in which radioactive markers are introduced into the brain and then equipment monitors where the chemicals appear in the brain is ​

Correct AnswerverifiedShow Answer

The somatic nervous system and the autonomic nervous system comprise the _____ nervous system.

Correct AnswerverifiedShow Answer

_____ refers to the reproductive success of an individual organism relative to the average reproductive success in the population. ​

Correct AnswerverifiedShow Answer

An inhibitory postsynaptic potential _____ the likelihood that the postsynaptic neuron will fire action potentials. ​

Correct AnswerverifiedShow Answer

The minimum length of time between action potentials is determined by

Correct AnswerverifiedShow Answer

Sensory information is carried from your eyes to your brain by way of _____ fibers.

Correct AnswerverifiedShow Answer

If a patient has severe damage to the prefrontal cortex, he might have difficulty

Correct AnswerverifiedShow Answer

The structure that connects the two cerebral hemispheres is the ​

Correct AnswerverifiedShow Answer

Fiona puts her hands into a sink of lukewarm water; Luke puts his hands into a sink of ice-cold water. Based on what is known about neural transmission, you could predict that the action potentials will ​

Correct AnswerverifiedShow Answer

Electrodes placed in which of the following locations are likely to produce the highest rates of self-stimulation by an animal?

Correct AnswerverifiedShow Answer

The amount of motor cortex devoted to each body area is determined by

Correct AnswerverifiedShow Answer

The carriers of genetic information in the form of DNA are the

Correct AnswerverifiedShow Answer

In family studies, researchers assess hereditary influence by ​

Correct AnswerverifiedShow Answer

The part of a neuron that transmits information away from the neuron and toward another neuron is the ​

Correct AnswerverifiedShow Answer

Which of the following individuals is likely to be at the HIGHEST level of sympathetic arousal? ​

Correct AnswerverifiedShow Answer

The cells of the nervous system that do the work of receiving, integrating, and transmitting information are the

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Zeke has no problem understanding what other people say to him, but he has difficulty producing spoken language. If Zeke's problem stems from damage to the cerebral cortex, the damage would MOST likely be in

Correct Answer
verified

The technique in which radioactive markers are introduced into the brain and then equipment monitors where the chemicals appear in the brain is

Correct Answer
verified

Correct Answer
verified

_____ refers to the reproductive success of an individual organism relative to the average reproductive success in the population.

Correct Answer
verified

An inhibitory postsynaptic potential _____ the likelihood that the postsynaptic neuron will fire action potentials.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The structure that connects the two cerebral hemispheres is the

Correct Answer
verified

Fiona puts her hands into a sink of lukewarm water; Luke puts his hands into a sink of ice-cold water. Based on what is known about neural transmission, you could predict that the action potentials will

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

In family studies, researchers assess hereditary influence by

Correct Answer
verified

The part of a neuron that transmits information away from the neuron and toward another neuron is the

Correct Answer
verified

Which of the following individuals is likely to be at the HIGHEST level of sympathetic arousal?

Correct Answer
verified