Question 1

A baby is born with an impairment of his left cerebral hemisphere, but it is not discovered until years later, when certain clues are pieced together. Which of the following is most likely to be one of those clues?

Accepted Answer

A)  He has difficulty identifying colors. 
B)  He has difficulty perceiving concepts and spatial relationships. 
C)  He has difficulty learning to read. 
D)  He has difficulty recognizing people's faces.

Question 2

When a neuron is polarized, ________.

Accepted Answer

A)  both positive and negative ions are concentrated inside the neural membrane 
B)  positive ions are concentrated outside the neural membrane while negative ions are concentrated inside the membrane 
C)  negative ions are concentrated outside the neural membrane while positive ions are concentrated inside the membrane 
D)  both positive and negative ions are concentrated outside the neural membrane

Question 3

Summarize research findings about left-handedness and its causes.

Accepted Answer

The answer of Summarize research findings about left-handedness and its...

Question 4

Studies of heritability in humans that assume that if genes influence a certain trait, close relatives should be more similar with that trait than distant relatives are called ________ studies.

Accepted Answer

A)  strain 
B)  selection 
C)  family 
D)  twin

Question 5

Specifically describe the effects of the neurotransmitters acetylcholine, dopamine, serotonin, and endorphins.

Accepted Answer

The answer of Specifically describe the effects of the neurotransmitters...

Question 6

The intricate network of folds that line the outer surface of the cerebral cortex, allowing it to fit inside the skull, are called ________.

Accepted Answer

A)  convolutions 
B)  sensory projection areas 
C)  association areas 
D)  motor projections

Question 7

In regard to the brain, the term "plasticity" refers to ________.

Accepted Answer

A)  easily broken or "cracked" 
B)  ability to adapt to new conditions 
C)  level of complexity 
D)  brittleness, or rigidity

Question 8

The tiny fibers branching out from the cell body of a neuron are called axons.

Accepted Answer

A) True 
 B)False

Question 9

An imaging technique that has been useful in helping researchers understand the decline in memory and cognition that often accompanies aging is ________.

Accepted Answer

A)  magnetoencephalogaphy (MEG) 
B)  positron emission tomography (PET) scanning 
C)  functional magnetic resonance imaging (fMRI) 
D)  magnetic source imaging (MSI)

Question 10

Jayden was in a four-wheeler accident that resulted in an injury to his brain. He now has difficulty with his hearing and his ability to recognize faces. The part of his brain most likely injured was the ________ lobe.

Accepted Answer

A)  frontal 
B)  temporal 
C)  occipital 
D)  parietal

Question 11

The complex cable of nerves that connects the brain to the rest of the body is the spinal cord.

Accepted Answer

A) True 
 B)False

Question 12

Another term for a neural impulse is a(n) ________ potential.

Accepted Answer

A)  resting 
B)  kinetic 
C)  graded 
D)  action

Question 13

During its resting state, the electrical charge inside the neuron is ________ the electrical charge outside the neuron.

Accepted Answer

A)  smaller than 
B)  positive compared to 
C)  negative compared to 
D)  larger than

Question 14

Define and describe the uses for and limitations of family studies, twin studies, and adoption studies. What has been learned from these studies about the role of heredity in shaping human personality?

Accepted Answer

The answer of Define and describe the uses for and...

Question 15

A frog muscle is stimulated with an electric current, but the muscle doesn't twitch. This probably happens because ________.

Accepted Answer

A)  ionic balance has been restored 
B)  the synapses are underactive 
C)  the threshold of excitation was not reached 
D)  the graded potential is too great

Question 16

The section of the frontal lobe responsible for voluntary movement is the ________.

Accepted Answer

A)  primary motor cortex 
B)  association areas 
C)  primary somatosensory cortex 
D)  sensory projection areas

Question 17

Gloria's friends have recently noticed a startling change in her behavior. She eats everything in sight but gains little, if any, weight. She speeds around the room as if she were taking amphetamines. She seems constantly tense and agitated, and has trouble sleeping. She has become impulsive and lately she seems to be upset by even the slightest stress. The source of Gloria's problems is probably an ________ gland.

Accepted Answer

A)  overactive pituitary 
B)  overactive thyroid 
C)  underactive pituitary 
D)  underactive thyroid

Question 18

Pairs of tiny threadlike bodies that carry genes are ________.

Accepted Answer

A)  riboplasts 
B)  vesicles 
C)  proteins 
D)  chromosomes

Question 19

Compare and contrast the functions of the sympathetic and parasympathetic nervous system. What does the current scientific evidence indicate in regard to one's ability to consciously control functions normally controlled by the autonomic nervous system?

Accepted Answer

The answer of Compare and contrast the functions of the...

Question 20

Breathing, heart rate, and blood pressure are controlled by the medulla.

Accepted Answer

A) True 
 B)False

Exam 2: The Biological Basis of Behavior

A baby is born with an impairment of his left cerebral hemisphere, but it is not discovered until years later, when certain clues are pieced together. Which of the following is most likely to be one of those clues?

When a neuron is polarized, ________.

Summarize research findings about left-handedness and its causes.

Studies of heritability in humans that assume that if genes influence a certain trait, close relatives should be more similar with that trait than distant relatives are called ________ studies.

Specifically describe the effects of the neurotransmitters acetylcholine, dopamine, serotonin, and endorphins.

The intricate network of folds that line the outer surface of the cerebral cortex, allowing it to fit inside the skull, are called ________.

In regard to the brain, the term "plasticity" refers to ________.

The tiny fibers branching out from the cell body of a neuron are called axons.

An imaging technique that has been useful in helping researchers understand the decline in memory and cognition that often accompanies aging is ________.

Jayden was in a four-wheeler accident that resulted in an injury to his brain. He now has difficulty with his hearing and his ability to recognize faces. The part of his brain most likely injured was the ________ lobe.

The complex cable of nerves that connects the brain to the rest of the body is the spinal cord.

Another term for a neural impulse is a(n) ________ potential.

During its resting state, the electrical charge inside the neuron is ________ the electrical charge outside the neuron.

Define and describe the uses for and limitations of family studies, twin studies, and adoption studies. What has been learned from these studies about the role of heredity in shaping human personality?

A frog muscle is stimulated with an electric current, but the muscle doesn't twitch. This probably happens because ________.

The section of the frontal lobe responsible for voluntary movement is the ________.

Pairs of tiny threadlike bodies that carry genes are ________.

Compare and contrast the functions of the sympathetic and parasympathetic nervous system. What does the current scientific evidence indicate in regard to one's ability to consciously control functions normally controlled by the autonomic nervous system?

Breathing, heart rate, and blood pressure are controlled by the medulla.