Question 1

Excitatory messages ____ the likelihood of an action potential,while inhibitory messages ____ this likelihood.

Accepted Answer

A)  start;stop 
B)  increase;decrease 
C)  stop;start 
D)  decrease;increase 
A)  start;stop 
B)  increase;decrease 
C)  stop;start 
D)  decrease;increase

Question 2

Which of the following best describes the relationship between nerves and neurons?

Accepted Answer

A)  Nerves are bundles of axons from many neurons. 
B)  Nerves are found in the body and neurons are found only in the brain. 
C)  Nerves and neurons are the same thing. 
D)  Nerves are limited to the sympathetic nervous system. 
A)  Nerves are bundles of axons from many neurons. 
B)  Nerves are found in the body and neurons are found only in the brain. 
C)  Nerves and neurons are the same thing. 
D)  Nerves are limited to the sympathetic nervous system.

Question 3

When the combined stimulation received by the dendrites exceeds a certain minimum intensity,the condition is referred to as ____.

Accepted Answer

A)  resting potential 
B)  horizon 
C)  inhibition 
D)  threshold 
A)  resting potential 
B)  horizon 
C)  inhibition 
D)  threshold

Question 4

A brain imaging technique that measures over a few seconds the average neural activity in different brain regions by showing fluctuations in blood oxygen levels is known as a(n)____.

Accepted Answer

A)  MRI 
B)  PET 
C)  fMRI 
D)  CAT 
A)  MRI 
B)  PET 
C)  fMRI 
D)  CAT

Question 5

What is the reason that the bite of a black widow spider can trigger severe muscle contractions,convulsions,and heart failure?

Accepted Answer

A)  The receptors for acetylcholine are blocked 
B)  The receptors for dopamine are blocked 
C)  The receptors for acetylcholine are flooded 
D)  The receptors for dopamine are flooded 
A)  The receptors for acetylcholine are blocked 
B)  The receptors for dopamine are blocked 
C)  The receptors for acetylcholine are flooded 
D)  The receptors for dopamine are flooded

Question 6

What is a hemispherectomy?

Accepted Answer

A)  A brain imaging technique 
B)  Surgical removal of a cerebral hemisphere 
C)  Medical stimulation of collateral growth in the cerebral hemispheres 
D)  Grafting of neural tissue onto a damaged cerebral hemisphere 
A)  A brain imaging technique 
B)  Surgical removal of a cerebral hemisphere 
C)  Medical stimulation of collateral growth in the cerebral hemispheres 
D)  Grafting of neural tissue onto a damaged cerebral hemisphere

Question 7

What is the relationship between the speed of the impulse and the axon?

Accepted Answer

A)  The larger the diameter of the axon,and the more myelin surrounding its outer surface,the faster the impulse. 
B)  The smaller the diameter of the axon,and the more myelin surrounding its outer surface,the faster the impulse. 
C)  The larger the diameter of the axon,and the less myelin surrounding its outer surface,the faster the impulse. 
D)  The larger the diameter of the axon,and the more myelin surrounding its outer surface,the slower the impulse. 
A)  The larger the diameter of the axon,and the more myelin surrounding its outer surface,the faster the impulse. 
B)  The smaller the diameter of the axon,and the more myelin surrounding its outer surface,the faster the impulse. 
C)  The larger the diameter of the axon,and the less myelin surrounding its outer surface,the faster the impulse. 
D)  The larger the diameter of the axon,and the more myelin surrounding its outer surface,the slower the impulse.

Question 8

The largest lobes in the human brain are the ____,which are situated in the "front" of the cerebral hemispheres,just behind the forehead.

Accepted Answer

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

Question 9

Justin and Ahmad are identical twins.This means that they ____.

Accepted Answer

A)  developed from the union of the same egg and sperm 
B)  share exactly the same genotype 
C)  share exactly the same phenotype 
D)  None of the above 
A)  developed from the union of the same egg and sperm 
B)  share exactly the same genotype 
C)  share exactly the same phenotype 
D)  None of the above

Question 10

The function of the blood-brain barrier is to ____.

Accepted Answer

A)  transmit information between the two hemispheres 
B)  protect the brain from hormones and neurotransmitters in the rest of the body 
C)  Both a and b 
D)  cushion the central nervous system 
A)  transmit information between the two hemispheres 
B)  protect the brain from hormones and neurotransmitters in the rest of the body 
C)  Both a and b 
D)  cushion the central nervous system

Question 11

____ make up the blood-brain barrier.

Accepted Answer

A)  Capillaries 
B)  Microvessels 
C)  Arterioles 
D)  Arteries 
A)  Capillaries 
B)  Microvessels 
C)  Arterioles 
D)  Arteries

Question 12

He was one of the first persons to discover that neurons were separate and distinct units.He made this discovery while working in a makeshift laboratory in his attic with a $25 microscope and a single box of slides! His resulting theory on how the brain processes information earned him the Nobel Prize for Physiology and Medicine in 1906.Who is he?

Accepted Answer

A)  Herbert Simon 
B)  Santiago Ramón y Cajal 
C)  Daniel Kahneman 
D)  Erik Erikson 
A)  Herbert Simon 
B)  Santiago Ramón y Cajal 
C)  Daniel Kahneman 
D)  Erik Erikson

Question 13

Which part of the brain is described as the brain's "thinking" center?

Accepted Answer

A)  Amygdala 
B)  Spinal cord 
C)  Hypothalamus 
D)  Cerebral cortex 
A)  Amygdala 
B)  Spinal cord 
C)  Hypothalamus 
D)  Cerebral cortex

Question 14

A flood of electrically charged ions in and out of each section of the axon constitutes the ____.

Accepted Answer

A)  synaptic cleft 
B)  glial cells 
C)  neural impulse 
D)  synapse 
A)  synaptic cleft 
B)  glial cells 
C)  neural impulse 
D)  synapse

Question 15

The Human Genome Project was completed in the year ____.

Accepted Answer

A)  2000 
B)  2001 
C)  2002 
D)  2003 
A)  2000 
B)  2001 
C)  2002 
D)  2003

Question 16

There is evidence that women's brains are ____ than men's.

Accepted Answer

A)  less lateralized 
B)  more lateralized 
C)  bigger 
D)  easily developed 
A)  less lateralized 
B)  more lateralized 
C)  bigger 
D)  easily developed

Question 17

The ____ commands movement of involuntary,nonskeletal muscles.

Accepted Answer

A)  autonomic nervous system 
B)  central nervous system 
C)  somatic nervous system 
D)  sympathetic nervous system 
A)  autonomic nervous system 
B)  central nervous system 
C)  somatic nervous system 
D)  sympathetic nervous system

Question 18

Split-brain patients are those who have ____.

Accepted Answer

A)  two brains by birth: one of the brains actually does not function at all 
B)  brains that are split into parts more than usual 
C)  had their nerves of the corpus callosum cut surgically to treat severe epileptic seizures 
D)  undergone brain surgery to treat certain mental disorders 
A)  two brains by birth: one of the brains actually does not function at all 
B)  brains that are split into parts more than usual 
C)  had their nerves of the corpus callosum cut surgically to treat severe epileptic seizures 
D)  undergone brain surgery to treat certain mental disorders

Question 19

The process by which branches from the axons nearby healthy neurons grow into the pathways previously occupied by the axons of damaged neurons is known as ____.

Accepted Answer

A)  collateral growth 
B)  plasticity 
C)  hemispherectomy 
D)  synaptic transmission 
A)  collateral growth 
B)  plasticity 
C)  hemispherectomy 
D)  synaptic transmission

Question 20

The ____ are involved in touch sensation and in monitoring the body's position in space.

Accepted Answer

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

Excitatory messages the likelihood of an action potential,while inhibitory messages this likelihood.

Which of the following best describes the relationship between nerves and neurons?

When the combined stimulation received by the dendrites exceeds a certain minimum intensity,the condition is referred to as ____.

A brain imaging technique that measures over a few seconds the average neural activity in different brain regions by showing fluctuations in blood oxygen levels is known as a(n)____.

What is the reason that the bite of a black widow spider can trigger severe muscle contractions,convulsions,and heart failure?

What is a hemispherectomy?

What is the relationship between the speed of the impulse and the axon?

The largest lobes in the human brain are the ____,which are situated in the "front" of the cerebral hemispheres,just behind the forehead.

Justin and Ahmad are identical twins.This means that they ____.

The function of the blood-brain barrier is to ____.

____ make up the blood-brain barrier.

Which part of the brain is described as the brain's "thinking" center?

A flood of electrically charged ions in and out of each section of the axon constitutes the ____.

The Human Genome Project was completed in the year ____.

There is evidence that women's brains are ____ than men's.

The ____ commands movement of involuntary,nonskeletal muscles.

Split-brain patients are those who have ____.

The process by which branches from the axons nearby healthy neurons grow into the pathways previously occupied by the axons of damaged neurons is known as ____.

The ____ are involved in touch sensation and in monitoring the body's position in space.

Psychology As a Science

Human Development

Sensation and Perception

Consciousness

Learning

Memory

Language, thinking, and Intelligence

Motivation and Emotion

Personality

Psychological Disorders and Their Treatment

Stress, coping, and Health

Social Behavior

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Exam 2: Neural and Genetic Bases of Behavior

Excitatory messages ____ the likelihood of an action potential,while inhibitory messages ____ this likelihood.

Which of the following best describes the relationship between nerves and neurons?

When the combined stimulation received by the dendrites exceeds a certain minimum intensity,the condition is referred to as ____.

A brain imaging technique that measures over a few seconds the average neural activity in different brain regions by showing fluctuations in blood oxygen levels is known as a(n)____.

What is the reason that the bite of a black widow spider can trigger severe muscle contractions,convulsions,and heart failure?

What is a hemispherectomy?

What is the relationship between the speed of the impulse and the axon?

The largest lobes in the human brain are the ____,which are situated in the "front" of the cerebral hemispheres,just behind the forehead.

Justin and Ahmad are identical twins.This means that they ____.

The function of the blood-brain barrier is to ____.

____ make up the blood-brain barrier.

Which part of the brain is described as the brain's "thinking" center?

A flood of electrically charged ions in and out of each section of the axon constitutes the ____.

The Human Genome Project was completed in the year ____.

There is evidence that women's brains are ____ than men's.

The ____ commands movement of involuntary,nonskeletal muscles.

Split-brain patients are those who have ____.

The process by which branches from the axons nearby healthy neurons grow into the pathways previously occupied by the axons of damaged neurons is known as ____.

The ____ are involved in touch sensation and in monitoring the body's position in space.

Psychology As a Science

Human Development

Sensation and Perception

Consciousness

Learning

Memory

Language, thinking, and Intelligence

Motivation and Emotion

Personality

Psychological Disorders and Their Treatment

Stress, coping, and Health

Social Behavior

Filters

Excitatory messages the likelihood of an action potential,while inhibitory messages this likelihood.