Question 1

Harmful effects can occur when neurotransmitter levels are too high or too low.

Accepted Answer

A) True 
 B)False

Question 2

Sex differences in the brain could be the result rather than the cause of behavioral differences between men and women.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is NOT a characteristic of glial cells?

Accepted Answer

A) they insulate the neurons 
B) they provide neurons with nutrients 
C) they are greatly outnumbered by neurons 
D) they remove cellular debris when neurons die 
A) they insulate the neurons 
B) they provide neurons with nutrients 
C) they are greatly outnumbered by neurons 
D) they remove cellular debris when neurons die

Question 4

Researchers have found that:

Accepted Answer

A) in myelinated axons,the action potential at each point in the axon gives rise to a new action potential at the next point. 
B) in unmyelinated axons,positively charged ions flow down the axon at a very fast rate,causing regeneration of the action potential at each node. 
C) throughout life,unused synaptic connections are pruned away as cells or their branches die and are not replaced. 
D) when a nerve impulse reaches the axon terminal's button-like tip,the action potential "hops" over to the receiving neuron's dendrites. 
A) in myelinated axons,the action potential at each point in the axon gives rise to a new action potential at the next point. 
B) in unmyelinated axons,positively charged ions flow down the axon at a very fast rate,causing regeneration of the action potential at each node. 
C) throughout life,unused synaptic connections are pruned away as cells or their branches die and are not replaced. 
D) when a nerve impulse reaches the axon terminal's button-like tip,the action potential "hops" over to the receiving neuron's dendrites.

Question 5

One of the functions of a nervous system is to gather and process information.

Accepted Answer

A) True 
 B)False

Question 6

The brain stem includes all of the following structures EXCEPT:

Accepted Answer

A) pons. 
B) thalamus. 
C) medulla. 
D) reticular activating system. 
A) pons. 
B) thalamus. 
C) medulla. 
D) reticular activating system.

Question 7

The lesion method of studying the brain involves the observation of an animal after sections of its brain have been damaged or removed.

Accepted Answer

A) True 
 B)False

Question 8

_______________ is a method of stimulating brain cells using a powerful magnetic field produced by a wire coil laced on a person's head.

Accepted Answer

A) Positron-emission tomography 
B) Functional magnetic resonance imaging 
C) Microelectrode recording 
D) Transcranial magnetic stimulation 
A) Positron-emission tomography 
B) Functional magnetic resonance imaging 
C) Microelectrode recording 
D) Transcranial magnetic stimulation

Question 9

The _______________,which is shaped like a sphere or a pyramid,contains the biochemical machinery for keeping the neuron alive.

Accepted Answer

A) cell body 
B) myelin sheath 
C) dendrite 
D) glial cell 
A) cell body 
B) myelin sheath 
C) dendrite 
D) glial cell

Question 10

Melatonin helps to regulate daily biological rhythms and promotes sleep.

Accepted Answer

A) True 
 B)False

Question 11

When researchers use needle electrodes:

Accepted Answer

A) general anesthesia is used because the brain is sensitive to pain. 
B) they inject a glucose-like substance containing a radioactive element. 
C) a current is produced that is 40,000 times greater than the earth's natural magnetic field. 
D) only the skull and the membranes covering the brain need to be anesthetized. 
A) general anesthesia is used because the brain is sensitive to pain. 
B) they inject a glucose-like substance containing a radioactive element. 
C) a current is produced that is 40,000 times greater than the earth's natural magnetic field. 
D) only the skull and the membranes covering the brain need to be anesthetized.

Question 12

People with Alzheimer's disease lose brain cells responsible for producing acetylcholine.

Accepted Answer

A) True 
 B)False

Question 13

One reason why particular odors,such as the smell of gardenias,often rekindle memories of important personal experiences is:

Accepted Answer

A) the amygdala is involved in processing olfactory information and emotion. 
B) odors are processed in the frontal lobes. 
C) the thalamus gives priority processing to the sense of smell. 
D) the olfactory bulb lies near areas involved in emotion. 
A) the amygdala is involved in processing olfactory information and emotion. 
B) odors are processed in the frontal lobes. 
C) the thalamus gives priority processing to the sense of smell. 
D) the olfactory bulb lies near areas involved in emotion.

Question 14

Which of the following is NOT a hormone?

Accepted Answer

A) melatonin 
B) epinephrine 
C) norepinephrine 
D) serotonin 
A) melatonin 
B) epinephrine 
C) norepinephrine 
D) serotonin

Question 15

MRI's show activation in the frontal and parietal regions associated with attentional control to be greater during culturally nonpreferred judgment.

Accepted Answer

A) True 
 B)False

Question 16

The left hemisphere contains regions that:

Accepted Answer

A) are associated with negative emotions,such as fear and sadness. 
B) are active when language is processed. 
C) are associated with the tendency to withdraw from others. 
D) are active during the creation of art and music. 
A) are associated with negative emotions,such as fear and sadness. 
B) are active when language is processed. 
C) are associated with the tendency to withdraw from others. 
D) are active during the creation of art and music.

Question 17

If the human brain didn't have so many deep crevices and wrinkles in the cortex,then:

Accepted Answer

A) the amygdala would not be able to regulate the person's initial emotional responses. 
B) the person would have difficulty performing bodily functions that are not consciously willed. 
C) the newborn's head would be too large to fit through the mother's birth canal. 
D) the fetus would die prenatally because the hypothalamus couldn't regulate the autonomic nervous system. 
A) the amygdala would not be able to regulate the person's initial emotional responses. 
B) the person would have difficulty performing bodily functions that are not consciously willed. 
C) the newborn's head would be too large to fit through the mother's birth canal. 
D) the fetus would die prenatally because the hypothalamus couldn't regulate the autonomic nervous system.

Question 18

Daphne is unable to recall simple words the day after her stroke,but within a matter of months she is speaking normally again.This is due to:

Accepted Answer

A) progenitor cells. 
B) myelination. 
C) plasticity. 
D) axonal regeneration. 
A) progenitor cells. 
B) myelination. 
C) plasticity. 
D) axonal regeneration.

Question 19

Sympathetic nervous system activation:

Accepted Answer

A) mobilizes the body for action. 
B) keeps the body running smoothly. 
C) tends to slow the body down. 
D) enables the person to sense the world. 
A) mobilizes the body for action. 
B) keeps the body running smoothly. 
C) tends to slow the body down. 
D) enables the person to sense the world.

Question 20

Neuroscientists have found that _______________ can inhibit the process of neurogenesis.

Accepted Answer

A) endorphins 
B) stress 
C) melatonin 
D) nicotine 
A) endorphins 
B) stress 
C) melatonin 
D) nicotine

Exam 4: Exstintion: The Brain: Source of Mind and Self

Harmful effects can occur when neurotransmitter levels are too high or too low.

Sex differences in the brain could be the result rather than the cause of behavioral differences between men and women.

Which of the following is NOT a characteristic of glial cells?

Researchers have found that:

One of the functions of a nervous system is to gather and process information.

The brain stem includes all of the following structures EXCEPT:

The lesion method of studying the brain involves the observation of an animal after sections of its brain have been damaged or removed.

_______________ is a method of stimulating brain cells using a powerful magnetic field produced by a wire coil laced on a person's head.

The _______________,which is shaped like a sphere or a pyramid,contains the biochemical machinery for keeping the neuron alive.

Melatonin helps to regulate daily biological rhythms and promotes sleep.

When researchers use needle electrodes:

People with Alzheimer's disease lose brain cells responsible for producing acetylcholine.

One reason why particular odors,such as the smell of gardenias,often rekindle memories of important personal experiences is:

Which of the following is NOT a hormone?

MRI's show activation in the frontal and parietal regions associated with attentional control to be greater during culturally nonpreferred judgment.

The left hemisphere contains regions that:

If the human brain didn't have so many deep crevices and wrinkles in the cortex,then:

Daphne is unable to recall simple words the day after her stroke,but within a matter of months she is speaking normally again.This is due to:

Sympathetic nervous system activation:

Neuroscientists have found that _______________ can inhibit the process of neurogenesis.

What Is Psychology

Exstintion: What Is Psychology

How Psychologists Do Research

Exstintion: How Psychologists Do Research

Genes,evolution,and Environment

Exstintion: Genes,evolution,and Environment

The Brain: Source of Mind and the Self

Body Rhythms and Mental States

Exstintion: Body Rhythms and Mental States

Sensation and Perception

Exstintion: Sensation and Perception

Learning and Conditioning

Exstintion: Learning and Conditioning

Behavior in Social and Cultural Context

Exstintion: Behavior in Social and Cultural Context

Thinking and Intelligence

Memory

Emotion,stress and Health

Motivation

Development Over the Life Span

Theories of Personality

Psychological Disorders

Approaches to Treatment and Therapy

Filters