Question 1

Transmission of messages between neurons occurs via _______ signaling; transmission of messages within a neuron occurs via _______ signaling.

Accepted Answer

chemical;

Question 2

A scientist is testing the hypothesis that inhibiting neural activity in the prefrontal cortex could help relieve depression. Which technique would be most useful for testing this hypothesis?

Accepted Answer

A)  Computed tomography (CT) 
B)  Magnetic resonance imaging (MRI) 
C)  Transcranial magnetic stimulation (TMS) 
D)  Positron emission tomography (PET) 
A)  Computed tomography (CT) 
B)  Magnetic resonance imaging (MRI) 
C)  Transcranial magnetic stimulation (TMS) 
D)  Positron emission tomography (PET)

Question 3

To prove that electrical stimulation can produce intense feelings of anxiety, the mad scientist would stimulate his victim's

Accepted Answer

A)  basal ganglia. 
B)  corpus callosum. 
C)  temporal lobe. 
D)  amygdala. 
A)  basal ganglia. 
B)  corpus callosum. 
C)  temporal lobe. 
D)  amygdala.

Question 4

Which neurotransmitter plays an important role in signaling pleasure?

Accepted Answer

A)  Noradrenaline 
B)  Dopamine 
C)  Glutamate 
D)  GABA 
A)  Noradrenaline 
B)  Dopamine 
C)  Glutamate 
D)  GABA

Question 5

Why is it useful for the body to have both excitatory and inhibitory neurotransmitters?

Accepted Answer

Having excitatory and inhibitory neurotr

Question 6

When you enter your apartment, you are greeted by the scent of fresh-baked cookies. This information is transported to your central nervous system by _______.

Accepted Answer

The answer of When you enter your apartment, you are...

Question 7

Inhibitory synapses

Accepted Answer

A)  cannot exist in the same part of the body as excitatory synapses. 
B)  increase the likelihood that a neuron will reach the firing threshold. 
C)  trigger action potentials. 
D)  hyperpolarize neurons. 
A)  cannot exist in the same part of the body as excitatory synapses. 
B)  increase the likelihood that a neuron will reach the firing threshold. 
C)  trigger action potentials. 
D)  hyperpolarize neurons.

Question 8

Compared to computed tomography (CT), magnetic resonance imaging (MRI) scans

Accepted Answer

A)  tend to pose greater risks to patients. 
B)  generally provide more detailed structural information. 
C)  are usually less informative about blood flow and oxygen flow. 
D)  tend to be less reliable for measuring electrical activity. 
A)  tend to pose greater risks to patients. 
B)  generally provide more detailed structural information. 
C)  are usually less informative about blood flow and oxygen flow. 
D)  tend to be less reliable for measuring electrical activity.

Question 9

The fastest-traveling action potential would be found in a neuron with

Accepted Answer

A)  no nodes of Ranvier. 
B)  a well-myelinated, thick axon. 
C)  an unmyelinated thick axon. 
D)  an unmyelinated, thin axon. 
A)  no nodes of Ranvier. 
B)  a well-myelinated, thick axon. 
C)  an unmyelinated thick axon. 
D)  an unmyelinated, thin axon.

Question 10

After being diagnosed with thyroid cancer, Kaela had her thyroid removed. The effects of this are likely to include

Accepted Answer

A)  an inability to regulate her endocrine system. 
B)  changes in metabolism. 
C)  difficulty breaking down sugar. 
D)  an inability to trigger the fight-or-flight response. 
A)  an inability to regulate her endocrine system. 
B)  changes in metabolism. 
C)  difficulty breaking down sugar. 
D)  an inability to trigger the fight-or-flight response.

Question 11

Axons differ from dendrites in that

Accepted Answer

A)  axons branch far more than dendrites. 
B)  neurons typically have more axons than dendrites. 
C)  axons are always much shorter than dendrites. 
D)  axons transmit information and dendrites receive information. 
A)  axons branch far more than dendrites. 
B)  neurons typically have more axons than dendrites. 
C)  axons are always much shorter than dendrites. 
D)  axons transmit information and dendrites receive information.

Question 12

Myelinated axons are useful because they

Accepted Answer

A)  prevent saltatory conduction. 
B)  decrease the number of nodes of Ranvier. 
C)  allow action potentials to travel more quickly. 
D)  are less likely to reach the firing threshold. 
A)  prevent saltatory conduction. 
B)  decrease the number of nodes of Ranvier. 
C)  allow action potentials to travel more quickly. 
D)  are less likely to reach the firing threshold.

Question 13

The voltage difference across a neuron's membrane

Accepted Answer

A)  remains constant. 
B)  changes frequently. 
C)  fluctuates, but always with a negative charge inside. 
D)  fluctuates, but always with a positive charge inside. 
A)  remains constant. 
B)  changes frequently. 
C)  fluctuates, but always with a negative charge inside. 
D)  fluctuates, but always with a positive charge inside.

Question 14

Jessie has taken a medication that interferes with her ability to feel pleasure. This medication is most likely a

Accepted Answer

A)  dopamine antagonist. 
B)  dopamine agonist. 
C)  norepinephrine antagonist. 
D)  norepinephrine agonist. 
A)  dopamine antagonist. 
B)  dopamine agonist. 
C)  norepinephrine antagonist. 
D)  norepinephrine agonist.

Question 15

Excitatory synapses

Accepted Answer

A)  force negatively charged ions into neurons. 
B)  exist only outside the brain. 
C)  bring neurons closer to the firing threshold. 
D)  hyperpolarize neurons. 
A)  force negatively charged ions into neurons. 
B)  exist only outside the brain. 
C)  bring neurons closer to the firing threshold. 
D)  hyperpolarize neurons.

Question 16

A woman with a disease that has damaged her dopamine receptors is most likely to experience

Accepted Answer

A)  a racing heart. 
B)  increased pain. 
C)  movement abnormalities. 
D)  higher levels of neural activity. 
A)  a racing heart. 
B)  increased pain. 
C)  movement abnormalities. 
D)  higher levels of neural activity.

Question 17

Which function is most directly controlled by the brainstem?

Accepted Answer

A)  Memory formation 
B)  Balance 
C)  Language 
D)  Breathing 
A)  Memory formation 
B)  Balance 
C)  Language 
D)  Breathing

Question 18

A researcher plans to study changes in patients' brain activity as Alzheimer's disease progresses by detecting changes in blood flow and oxygen content. The appropriate brain imaging technique to use is

Accepted Answer

A)  functional magnetic resonance imaging (fMRI). 
B)  computed tomography (CT). 
C)  magnetic resonance imaging (MRI). 
D)  electroencephalography (EEG). 
A)  functional magnetic resonance imaging (fMRI). 
B)  computed tomography (CT). 
C)  magnetic resonance imaging (MRI). 
D)  electroencephalography (EEG).

Question 19

An individual experiencing blindness as a result of a brain injury most likely suffers damage to the _______ lobe.

Accepted Answer

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

Question 20

A neuron with _______ would be expected to have the slowest-moving action potential.

Accepted Answer

A)  a well-myelinated, thick axon 
B)  many nodes of Ranvier 
C)  an unmyelinated, thick axon 
D)  an unmyelinated, thin axon 
A)  a well-myelinated, thick axon 
B)  many nodes of Ranvier 
C)  an unmyelinated, thick axon 
D)  an unmyelinated, thin axon

Transmission of messages between neurons occurs via _ signaling; transmission of messages within a neuron occurs via _ signaling.

A scientist is testing the hypothesis that inhibiting neural activity in the prefrontal cortex could help relieve depression. Which technique would be most useful for testing this hypothesis?

To prove that electrical stimulation can produce intense feelings of anxiety, the mad scientist would stimulate his victim's

Which neurotransmitter plays an important role in signaling pleasure?

Why is it useful for the body to have both excitatory and inhibitory neurotransmitters?

When you enter your apartment, you are greeted by the scent of fresh-baked cookies. This information is transported to your central nervous system by _______.

Inhibitory synapses

Compared to computed tomography (CT), magnetic resonance imaging (MRI) scans

The fastest-traveling action potential would be found in a neuron with

After being diagnosed with thyroid cancer, Kaela had her thyroid removed. The effects of this are likely to include

Axons differ from dendrites in that

Myelinated axons are useful because they

The voltage difference across a neuron's membrane

Jessie has taken a medication that interferes with her ability to feel pleasure. This medication is most likely a

Excitatory synapses

A woman with a disease that has damaged her dopamine receptors is most likely to experience

Which function is most directly controlled by the brainstem?

A researcher plans to study changes in patients' brain activity as Alzheimer's disease progresses by detecting changes in blood flow and oxygen content. The appropriate brain imaging technique to use is

An individual experiencing blindness as a result of a brain injury most likely suffers damage to the _______ lobe.

A neuron with _______ would be expected to have the slowest-moving action potential.

Introduction: Principles of Psychology

Psychology As a Science

Genes, Environment, and Behavior

Developmental Psychology

Sensation and Perception

Consciousness

Learning

Memory

Language and Cognition

Intelligence

Motivation and the Regulation of Behavior

Emotions, Stress, and Health

Personality

Social Psychology

Clinical Psychology

Filters

Exam 3: The Neuroscience of Behavior

Transmission of messages between neurons occurs via _______ signaling; transmission of messages within a neuron occurs via _______ signaling.

A scientist is testing the hypothesis that inhibiting neural activity in the prefrontal cortex could help relieve depression. Which technique would be most useful for testing this hypothesis?

To prove that electrical stimulation can produce intense feelings of anxiety, the mad scientist would stimulate his victim's

Which neurotransmitter plays an important role in signaling pleasure?

Why is it useful for the body to have both excitatory and inhibitory neurotransmitters?

When you enter your apartment, you are greeted by the scent of fresh-baked cookies. This information is transported to your central nervous system by _______.

Inhibitory synapses

Compared to computed tomography (CT), magnetic resonance imaging (MRI) scans

The fastest-traveling action potential would be found in a neuron with

After being diagnosed with thyroid cancer, Kaela had her thyroid removed. The effects of this are likely to include

Axons differ from dendrites in that

Myelinated axons are useful because they

The voltage difference across a neuron's membrane

Jessie has taken a medication that interferes with her ability to feel pleasure. This medication is most likely a

Excitatory synapses

A woman with a disease that has damaged her dopamine receptors is most likely to experience

Which function is most directly controlled by the brainstem?

A researcher plans to study changes in patients' brain activity as Alzheimer's disease progresses by detecting changes in blood flow and oxygen content. The appropriate brain imaging technique to use is

An individual experiencing blindness as a result of a brain injury most likely suffers damage to the _______ lobe.

A neuron with _______ would be expected to have the slowest-moving action potential.

Introduction: Principles of Psychology

Psychology As a Science

Genes, Environment, and Behavior

Developmental Psychology

Sensation and Perception

Consciousness

Learning

Memory

Language and Cognition

Intelligence

Motivation and the Regulation of Behavior

Emotions, Stress, and Health

Personality

Social Psychology

Clinical Psychology

Filters

Transmission of messages between neurons occurs via _ signaling; transmission of messages within a neuron occurs via _ signaling.