Question 1

The changes in the electrical potential of a neuron that do not reach -50 millivolts are called:

Accepted Answer

A)  action potentials. 
B)  polarized potentials. 
C)  graded potentials. 
D)  resting potentials. 
A)  action potentials. 
B)  polarized potentials. 
C)  graded potentials. 
D)  resting potentials. C

Question 2

An inhibitory neurotransmitter really works by

Accepted Answer

A)  extending the refractory period 
B)  preventing reuptake 
C)  depolarizing the postsynaptic membrane 
D)  opening sodium channels 
E)  hyperpolarizing the postsynaptic membrane 
A)  extending the refractory period 
B)  preventing reuptake 
C)  depolarizing the postsynaptic membrane 
D)  opening sodium channels 
E)  hyperpolarizing the postsynaptic membrane E

Question 3

The outermost layer of the brain and the crowning achievement of brain evolution is called the _.

Accepted Answer

A)  frontal lobe 
B)  cerebellum 
C)  association cortex 
D)  cerebral cortex 
A)  frontal lobe 
B)  cerebellum 
C)  association cortex 
D)  cerebral cortex D

Question 4

When researchers are interested in making a lesion in a specific area of the brain, they can

Accepted Answer

A)  destroy the area with chemicals. 
B)  surgically remove the area. 
C)  destroy the area with electricity. 
D)  produce a lesion with cold or heat. 
E)  all of these answers are correct. 
A)  destroy the area with chemicals. 
B)  surgically remove the area. 
C)  destroy the area with electricity. 
D)  produce a lesion with cold or heat. 
E)  all of these answers are correct.

Question 5

The medulla plays an important role in the coordination of muscular movement and also in learning and memory.

Accepted Answer

A) True 
 B)False

Question 6

In the sensory cortex, the size of a given area of cortex is directly related to the _ _ of the body area it is mapping.

Accepted Answer

A)  size 
B)  sensitivity 
C)  age 
D)  health 
A)  size 
B)  sensitivity 
C)  age 
D)  health

Question 7

Lateralization refers to the way in which a brain function can be more localized in one brain hemisphere or the other.

Accepted Answer

A) True 
 B)False

Question 8

The job of the sensory neurons is to transmit neural impulses from the sense organs to the brain.

Accepted Answer

A) True 
 B)False

Question 9

The drug Prozac has a positive effect on depression by:

Accepted Answer

A)  breaking down excess serotonin, so that less of the neurotransmitter remains to enhance mood. 
B)  blocking the reuptake of serotonin, so that more of the neurotransmitter remains to enhance mood. 
C)  blocking the reuptake of dopamine, so that more of the neurotransmitter remains to enhance mood. 
D)  breaking down excess dopamine, so that less of the neurotransmitter remains to enhance mood. 
A)  breaking down excess serotonin, so that less of the neurotransmitter remains to enhance mood. 
B)  blocking the reuptake of serotonin, so that more of the neurotransmitter remains to enhance mood. 
C)  blocking the reuptake of dopamine, so that more of the neurotransmitter remains to enhance mood. 
D)  breaking down excess dopamine, so that less of the neurotransmitter remains to enhance mood.

Question 10

Research has demonstrated that rat pups raised in stimulating environments had larger neurons with more dendritic branches. Similarly, musicians who do complex string work with their left hands tend to have larger corresponding somatosensory areas. These are
Both examples of:

Accepted Answer

A)  split-brain research. 
B)  neural plasticity. 
C)  corpus callosum activity. 
D)  functions influenced by Wernicke's area. 
A)  split-brain research. 
B)  neural plasticity. 
C)  corpus callosum activity. 
D)  functions influenced by Wernicke's area.

Question 11

The somatic nervous system:

Accepted Answer

A)  consists of sensory and motor neurons designed to transmit information for involuntary functions such as circulation and digestion. 
B)  consists of sensory and motor neurons designed to transmit information between muscles, sensory receptors, and the central nervous system. 
C)  consists of sensory and motor neurons designed to transmit information for the fight-or-flight response. 
D)  consists of sensory and motor neurons designed to transmit information to slow down the body and keep it calm. 
A)  consists of sensory and motor neurons designed to transmit information for involuntary functions such as circulation and digestion. 
B)  consists of sensory and motor neurons designed to transmit information between muscles, sensory receptors, and the central nervous system. 
C)  consists of sensory and motor neurons designed to transmit information for the fight-or-flight response. 
D)  consists of sensory and motor neurons designed to transmit information to slow down the body and keep it calm.

Question 12

The vision area of the brain is located in the temporal lobe.

Accepted Answer

A) True 
 B)False

Question 13

The role of the thalamus in brain functioning has been compared to a:

Accepted Answer

A)  switchboard. 
B)  computer. 
C)  file cabinet. 
D)  jury. 
A)  switchboard. 
B)  computer. 
C)  file cabinet. 
D)  jury.

Question 14

When a neuron is stimulated, tiny protein structures on the cell membrane are activated that pump specific ions back and forth, thus changing the overall potential of the neuron. These cell membranes are called _.

Accepted Answer

A)  neurotransmitters 
B)  action potentials 
C)  glial cells 
D)  ion channels 
A)  neurotransmitters 
B)  action potentials 
C)  glial cells 
D)  ion channels

Question 15

Alcohol effect on the brain is as a(n):

Accepted Answer

A)  both an agonist and antagonist by stimulating activity of GABA and decreasing the activity glutamate. 
B)  antagonist by stimulating activity of the inhibitory transmitter GABA. 
C)  antagonist by decreasing the activity of the excitatory transmitter glutamate. 
D)  agonist by stimulating activity of the inhibitory transmitter GABA. 
A)  both an agonist and antagonist by stimulating activity of GABA and decreasing the activity glutamate. 
B)  antagonist by stimulating activity of the inhibitory transmitter GABA. 
C)  antagonist by decreasing the activity of the excitatory transmitter glutamate. 
D)  agonist by stimulating activity of the inhibitory transmitter GABA.

Question 16

Two important structures in the limbic system are:

Accepted Answer

A)  the hypothalamus and the thalamus. 
B)  the hypothalamus and the amygdala. 
C)  the hippocampus and the amygdala. 
D)  the hippocampus and the hypothalamus. 
A)  the hypothalamus and the thalamus. 
B)  the hypothalamus and the amygdala. 
C)  the hippocampus and the amygdala. 
D)  the hippocampus and the hypothalamus.

Question 17

To achieve a resting potential of -70 millivolts

Accepted Answer

A)  the neuron must use graded potentials. 
B)  there must be a higher concentration of negative ions outside the cell. 
C)  there must be a higher concentration of negative ions inside the cell. 
D)  the neuron must depolarize. 
E)  there must be no protein in the neuron. 
A)  the neuron must use graded potentials. 
B)  there must be a higher concentration of negative ions outside the cell. 
C)  there must be a higher concentration of negative ions inside the cell. 
D)  the neuron must depolarize. 
E)  there must be no protein in the neuron.

Question 18

Let's say that you are a crime scene investigator. A victim has died and you know that a large amount of alcohol and benzodiazepine was involved. In searching for the likely cause at the neurotransmitter level, which of the following would you suspect?

Accepted Answer

A)  acetylcholine 
B)  dopamine 
C)  GABA 
D)  serotonin 
E)  norepinephrine 
A)  acetylcholine 
B)  dopamine 
C)  GABA 
D)  serotonin 
E)  norepinephrine

Question 19

Neurotransmitters that hyperpolarize a neuron are specifically called:

Accepted Answer

A)  inhibitory neurotransmitters. 
B)  action potentials. 
C)  graded potentials. 
D)  excitatory neurotransmitters. 
A)  inhibitory neurotransmitters. 
B)  action potentials. 
C)  graded potentials. 
D)  excitatory neurotransmitters.

Question 20

Brian's grandmother is showing signs of memory loss and most likely has other symptoms associated with Alzheimer's disease. It is likely that she has

Accepted Answer

A)  an oversupply of serotonin. 
B)  an abundance of dopamine. 
C)  an undersupply of acetylcholine (ACh). 
D)  an undersupply of dopamine. 
E)  no GABA producing neurons. 
A)  an oversupply of serotonin. 
B)  an abundance of dopamine. 
C)  an undersupply of acetylcholine (ACh). 
D)  an undersupply of dopamine. 
E)  no GABA producing neurons.

The changes in the electrical potential of a neuron that do not reach -50 millivolts are called:

An inhibitory neurotransmitter really works by

The outermost layer of the brain and the crowning achievement of brain evolution is called the _.

When researchers are interested in making a lesion in a specific area of the brain, they can

The medulla plays an important role in the coordination of muscular movement and also in learning and memory.

In the sensory cortex, the size of a given area of cortex is directly related to the _ _ of the body area it is mapping.

Lateralization refers to the way in which a brain function can be more localized in one brain hemisphere or the other.

The job of the sensory neurons is to transmit neural impulses from the sense organs to the brain.

The drug Prozac has a positive effect on depression by:

Research has demonstrated that rat pups raised in stimulating environments had larger neurons with more dendritic branches. Similarly, musicians who do complex string work with their left hands tend to have larger corresponding somatosensory areas. These are Both examples of:

The somatic nervous system:

The vision area of the brain is located in the temporal lobe.

The role of the thalamus in brain functioning has been compared to a:

When a neuron is stimulated, tiny protein structures on the cell membrane are activated that pump specific ions back and forth, thus changing the overall potential of the neuron. These cell membranes are called _.

Alcohol effect on the brain is as a(n):

Two important structures in the limbic system are:

To achieve a resting potential of -70 millivolts

Let's say that you are a crime scene investigator. A victim has died and you know that a large amount of alcohol and benzodiazepine was involved. In searching for the likely cause at the neurotransmitter level, which of the following would you suspect?

Neurotransmitters that hyperpolarize a neuron are specifically called:

Brian's grandmother is showing signs of memory loss and most likely has other symptoms associated with Alzheimer's disease. It is likely that she has

Psychology: the Science of Behaviour

Studying Behaviour Scientifically

Genes, Evolution, and Behaviour

Sensation and Perception

States of Consciousness

Learning and Adaptation: the Role of Experience

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Exam 3: Biological Foundations of Behaviour

The changes in the electrical potential of a neuron that do not reach -50 millivolts are called:

An inhibitory neurotransmitter really works by

The outermost layer of the brain and the crowning achievement of brain evolution is called the _.

When researchers are interested in making a lesion in a specific area of the brain, they can

The medulla plays an important role in the coordination of muscular movement and also in learning and memory.

In the sensory cortex, the size of a given area of cortex is directly related to the _ _ of the body area it is mapping.

Lateralization refers to the way in which a brain function can be more localized in one brain hemisphere or the other.

The job of the sensory neurons is to transmit neural impulses from the sense organs to the brain.

The drug Prozac has a positive effect on depression by:

Research has demonstrated that rat pups raised in stimulating environments had larger neurons with more dendritic branches. Similarly, musicians who do complex string work with their left hands tend to have larger corresponding somatosensory areas. These are Both examples of:

The somatic nervous system:

The vision area of the brain is located in the temporal lobe.

The role of the thalamus in brain functioning has been compared to a:

When a neuron is stimulated, tiny protein structures on the cell membrane are activated that pump specific ions back and forth, thus changing the overall potential of the neuron. These cell membranes are called _.

Alcohol effect on the brain is as a(n):

Two important structures in the limbic system are:

To achieve a resting potential of -70 millivolts

Let's say that you are a crime scene investigator. A victim has died and you know that a large amount of alcohol and benzodiazepine was involved. In searching for the likely cause at the neurotransmitter level, which of the following would you suspect?

Neurotransmitters that hyperpolarize a neuron are specifically called:

Brian's grandmother is showing signs of memory loss and most likely has other symptoms associated with Alzheimer's disease. It is likely that she has

Psychology: the Science of Behaviour

Studying Behaviour Scientifically

Genes, Evolution, and Behaviour

Sensation and Perception

States of Consciousness

Learning and Adaptation: the Role of Experience

Memory

Language and Thinking

Intelligence

Motivation and Emotion

Development Over the Lifespan

Behaviour in a Social Context

Personality

Stress, Coping, and Health

Psychological Disorders

Treatment of Psychological Disorders

Filters