Question 1

The main function of dendrites is to

Accepted Answer

A)  support and insulate the neuron. 
B)  release neurotransmitters. 
C)  transmit information. 
D)  receive information. 
A)  support and insulate the neuron. 
B)  release neurotransmitters. 
C)  transmit information. 
D)  receive information.

Question 2

Brian is a cross-country runner. He claims that he really enjoys running because he gets a wonderful "high" after running long distances. Since he knows you are taking a psychology class he asks you to explain what causes his "runner's high". You tell him that as he runs

Accepted Answer

A)  serotonin blacks the pain receptors in his skin. 
B)  dopamine prevents his muscles from tightening up and causing pain. 
C)  endorphins block the chemicals that transmit pain to the brain. 
D)  acetylcholine is depleted in the hippocampus, blocking the formation of pain memory. 
A)  serotonin blacks the pain receptors in his skin. 
B)  dopamine prevents his muscles from tightening up and causing pain. 
C)  endorphins block the chemicals that transmit pain to the brain. 
D)  acetylcholine is depleted in the hippocampus, blocking the formation of pain memory.

Question 3

Ricardo just came back from seeing a neurologist. Ricardo tells you that he will be having a test in which images of his brain will be recorded after radioactive chemicals have been injected into his bloodstream. However, Ricardo can't remember the actual name of the test. It appears that his neurologist is planning

Accepted Answer

A)  to use electrical stimulation of the brain (ES
B) . 
B)  a computerized tomography (CT) scan. 
C)  a positron emission tomography (PET) scan. 
D)  a magnetic resonance imaging (MRI) scan. 
A)  to use electrical stimulation of the brain (ES
B) . 
B)  a computerized tomography (CT) scan. 
C)  a positron emission tomography (PET) scan. 
D)  a magnetic resonance imaging (MRI) scan.

Question 4

Julia is currently in the midst of a major depression. It is most likely that she has

Accepted Answer

A)  reduced activity at norepinephrine synapses. 
B)  excess levels of the neurotransmitter dopamine. 
C)  reduced levels of the neurotransmitter GABA. 
D)  increased activity at serotonin synapses. 
A)  reduced activity at norepinephrine synapses. 
B)  excess levels of the neurotransmitter dopamine. 
C)  reduced levels of the neurotransmitter GABA. 
D)  increased activity at serotonin synapses.

Question 5

Information is received by a neuron through the ____ and is transmitted towards other neurons through the ____.

Accepted Answer

A)  dendrites; soma 
B)  dendrites; axon 
C)  axon; dendrites 
D)  soma; axon 
A)  dendrites; soma 
B)  dendrites; axon 
C)  axon; dendrites 
D)  soma; axon

Question 6

Which of the following is NOT one of the main parts of a neuron?

Accepted Answer

A)  soma 
B)  neurotransmitter 
C)  axon 
D)  dendrite 
A)  soma 
B)  neurotransmitter 
C)  axon 
D)  dendrite

Question 7

Which of the following is NOT one of the main functions of neurons?

Accepted Answer

A)  receiving information 
B)  generating information 
C)  transmitting information 
D)  integrating information 
A)  receiving information 
B)  generating information 
C)  transmitting information 
D)  integrating information

Question 8

If you fell backwards and hit the back of your head very hard on a concrete sidewalk, you can expect to have problems with which of the following?

Accepted Answer

A)  tasting 
B)  thinking 
C)  seeing 
D)  hearing 
A)  tasting 
B)  thinking 
C)  seeing 
D)  hearing

Question 9

When you are walking, the brain sends messages to the skeletal muscles in the legs by way of

Accepted Answer

A)  efferent fibers. 
B)  sensory fibers. 
C)  afferent fibers. 
D)  central fibers. 
A)  efferent fibers. 
B)  sensory fibers. 
C)  afferent fibers. 
D)  central fibers.

Question 10

The rewarding effects of electrical stimulation of the brain seem to be mediated by

Accepted Answer

A)  excitation of the reticular formation. 
B)  activation of dopamine-releasing neurons. 
C)  activation of endorphins. 
D)  stimulation of the hypothalamus. 
A)  excitation of the reticular formation. 
B)  activation of dopamine-releasing neurons. 
C)  activation of endorphins. 
D)  stimulation of the hypothalamus.

Question 11

In computers, the keyboard receives input and passes that information along to the computer's central processing unit (CPU). In comparing a computer to a neuron, the keyboard would be equivalent to

Accepted Answer

A)  the soma. 
B)  the axon. 
C)  the dendrites. 
D)  the terminal buttons. 
A)  the soma. 
B)  the axon. 
C)  the dendrites. 
D)  the terminal buttons.

Question 12

The typical speed of an action potential is

Accepted Answer

A)  dependent on the intensity of the excitatory signals. 
B)  between 2 and 200 miles per hour. 
C)  approximately the speed of light (186,000 miles/second). 
D)  approximately the speed of sound (740 miles/hour). 
A)  dependent on the intensity of the excitatory signals. 
B)  between 2 and 200 miles per hour. 
C)  approximately the speed of light (186,000 miles/second). 
D)  approximately the speed of sound (740 miles/hour).

Question 13

An antagonist

Accepted Answer

A)  blocks the action of neurotransmitters. 
B)  prevents reuptake of neurotransmitters. 
C)  mimics the action of a neurotransmitter. 
D)  extends the absolute refractory period of neural transmission. 
A)  blocks the action of neurotransmitters. 
B)  prevents reuptake of neurotransmitters. 
C)  mimics the action of a neurotransmitter. 
D)  extends the absolute refractory period of neural transmission.

Question 14

A family of chemicals produced in the body that resemble the opiates are the

Accepted Answer

A)  endorphins. 
B)  dopamines. 
C)  biogenic amines. 
D)  acetylcholines. 
A)  endorphins. 
B)  dopamines. 
C)  biogenic amines. 
D)  acetylcholines.

Question 15

An impulse moves from one neuron to another through the action of

Accepted Answer

A)  neurotransmitters. 
B)  hormones. 
C)  action potentials. 
D)  neuromodulators. 
A)  neurotransmitters. 
B)  hormones. 
C)  action potentials. 
D)  neuromodulators.

Question 16

A patient's fear outbursts are found to be caused by pressure applied to the brain by a tumor. Where is the tumor likely to be found?

Accepted Answer

A)  reticular formation 
B)  cerebrum 
C)  amygdala 
D)  medial forebrain bundle 
A)  reticular formation 
B)  cerebrum 
C)  amygdala 
D)  medial forebrain bundle

Question 17

The "all-or-none law" refers to the fact that

Accepted Answer

A)  all neurons are active or none are active. 
B)  a neuron transmits an impulse of the same strength each time it fires an action potential. 
C)  the neuron fires several action potentials each second. 
D)  either all neurons are myelinated or none are. 
A)  all neurons are active or none are active. 
B)  a neuron transmits an impulse of the same strength each time it fires an action potential. 
C)  the neuron fires several action potentials each second. 
D)  either all neurons are myelinated or none are.

Question 18

Which of the following neurotransmitters only produce inhibitory postsynaptic potentials?

Accepted Answer

A)  GABA and endorphins 
B)  GABA and glycine 
C)  serotonin and glycine 
D)  serotonin and endorphins 
A)  GABA and endorphins 
B)  GABA and glycine 
C)  serotonin and glycine 
D)  serotonin and endorphins

Question 19

GABA is a neurotransmitter that produces

Accepted Answer

A)  excitatory postsynaptic potentials. 
B)  neutral postsynaptic potentials. 
C)  inhibitory postsynaptic potentials. 
D)  both excitatory and inhibitory postsynaptic potentials. 
A)  excitatory postsynaptic potentials. 
B)  neutral postsynaptic potentials. 
C)  inhibitory postsynaptic potentials. 
D)  both excitatory and inhibitory postsynaptic potentials.

Question 20

You are in the middle of taking a test and the student next to you has the nervous habit of tapping their pencil on the desk while they work on the test. The lobe of your cortex that processes the "tap, tap" noise is your

Accepted Answer

A)  parietal lobe. 
B)  occipital lobe. 
C)  frontal lobe. 
D)  thalamic lobe. 
A)  parietal lobe. 
B)  occipital lobe. 
C)  frontal lobe. 
D)  thalamic lobe.

Exam 5: The Biological Bases of Behavior Part 1

The main function of dendrites is to

Brian is a cross-country runner. He claims that he really enjoys running because he gets a wonderful "high" after running long distances. Since he knows you are taking a psychology class he asks you to explain what causes his "runner's high". You tell him that as he runs

Julia is currently in the midst of a major depression. It is most likely that she has

Information is received by a neuron through the ____ and is transmitted towards other neurons through the ____.

Which of the following is NOT one of the main parts of a neuron?

Which of the following is NOT one of the main functions of neurons?

If you fell backwards and hit the back of your head very hard on a concrete sidewalk, you can expect to have problems with which of the following?

When you are walking, the brain sends messages to the skeletal muscles in the legs by way of

The rewarding effects of electrical stimulation of the brain seem to be mediated by

In computers, the keyboard receives input and passes that information along to the computer's central processing unit (CPU). In comparing a computer to a neuron, the keyboard would be equivalent to

The typical speed of an action potential is

An antagonist

A family of chemicals produced in the body that resemble the opiates are the

An impulse moves from one neuron to another through the action of

A patient's fear outbursts are found to be caused by pressure applied to the brain by a tumor. Where is the tumor likely to be found?

The "all-or-none law" refers to the fact that

Which of the following neurotransmitters only produce inhibitory postsynaptic potentials?

GABA is a neurotransmitter that produces

You are in the middle of taking a test and the student next to you has the nervous habit of tapping their pencil on the desk while they work on the test. The lobe of your cortex that processes the "tap, tap" noise is your

The Evolution of Psychology Part 1

The Evolution of Psychology Part 2

The Research Enterprise in Psychology Part 1

The Research Enterprise in Psychology Part 2

The Biological Bases of Behavior Part 2

Sensation and Perception Part 1

Sensation and Perception Part 2

Variations in Consciousness Part 1

Variations in Consciousness Part 2

Learning Part 1

Learning Part 2

Human Memory Part 1

Human Memory Part 2

Language and Thought Part 1

Language and Thought Part 2

Intelligence and Psychological Testing Part 1

Intelligence and Psychological Testing Part 2

Motivation and Emotion Part 1

Motivation and Emotion Part 2

Human Development Across the Life Span Part 1

Human Development Across the Life Span Part 2

Personality: Theory, Research, and Assessment Part 1

Personality: Theory, Research, and Assessment Part 2

Stress, Coping, and Health Part 1

Stress, Coping, and Health Part 2

Psychological Disorders Part 1

Psychological Disorders Part 2

Treatment of Psychological Disorders Part 1

Treatment of Psychological Disorders Part 2

Social Behavior Part 1

Social Behavior Part 2

Careers in Psychology

Industrialorganizational Psychology

Statistical Methods

Filters

Information is received by a neuron through the and is transmitted towards other neurons through the .