Question 1

Protein structures which form pores in the neuronal cell membrane are called

Accepted Answer

A)  gates. 
B)  ion channels. 
C)  phospholipid bilayers. 
D)  passages. 
A)  gates. 
B)  ion channels. 
C)  phospholipid bilayers. 
D)  passages. B

Question 2

The spike-initiation zone is sometimes synonymous with the

Accepted Answer

A)  axon hillock. 
B)  soma. 
C)  axon terminal. 
D)  dendritic spine. 
A)  axon hillock. 
B)  soma. 
C)  axon terminal. 
D)  dendritic spine. A

Question 3

Axon terminals only form synapses on dendrites, not somas or other axons.

Accepted Answer

A) True 
 B)False  False

Question 4

During the ________ no amount of stimulation can trigger another action potential.

Accepted Answer

absolute r

Question 5

A rapid change of the neuron's membrane potential from -70mV to +40mV and back is indicative of

Accepted Answer

A)  neuronal injury. 
B)  the application of a local anesthetic. 
C)  multiple sclerosis. 
D)  an action potential. 
A)  neuronal injury. 
B)  the application of a local anesthetic. 
C)  multiple sclerosis. 
D)  an action potential.

Question 6

Drugs given to treat epilepsy often target ________.

Accepted Answer

A)  Sodium (Na+) concentrations. 
B)  Serotonin (5-HT). 
C)  γ-Aminobutyric acid (GAB
A) . 
D)  Gap junctions. 
A)  Sodium (Na+) concentrations. 
B)  Serotonin (5-HT). 
C)  γ-Aminobutyric acid (GAB
A) . 
D)  Gap junctions.

Question 7

Pores in the neuronal cell membrane that may be selectively permeable to charged molecules are called ________.

Accepted Answer

A)  Phospholipids. 
B)  Axons. 
C)  Synapses. 
D)  Ion channels. 
A)  Phospholipids. 
B)  Axons. 
C)  Synapses. 
D)  Ion channels.

Question 8

The creation of new synapses is called ________.

Accepted Answer

A)  Presynaptic facilitation. 
B)  Synaptogenesis. 
C)  Summation. 
D)  Presynaptic inhibition. 
A)  Presynaptic facilitation. 
B)  Synaptogenesis. 
C)  Summation. 
D)  Presynaptic inhibition.

Question 9

__________ are charged molecules.

Accepted Answer

A)  Ions 
B)  Neurotransmitters 
C)  Second messengers 
D)  G proteins 
A)  Ions 
B)  Neurotransmitters 
C)  Second messengers 
D)  G proteins

Question 10

How might dysfunctional oligodendrocytes be involved in depression?

Accepted Answer

A)  By enveloping the terminals of neurons. 
B)  By consuming energy diverted away from neurons. 
C)  They normally secrete an enzyme that is critical for serotonin synthesis. 
D)  A reduction in myelin could cause a short-circuiting of action potentials. 
A)  By enveloping the terminals of neurons. 
B)  By consuming energy diverted away from neurons. 
C)  They normally secrete an enzyme that is critical for serotonin synthesis. 
D)  A reduction in myelin could cause a short-circuiting of action potentials.

Question 11

Which of the following ions has the strongest influence on the resting membrane potential?

Accepted Answer

A)  Chloride (Cl-). 
B)  Potassium (K+). 
C)  Calcium (Ca2+). 
D)  Chloride, potassium, and calcium ions have the same influence on resting membrane potential. 
A)  Chloride (Cl-). 
B)  Potassium (K+). 
C)  Calcium (Ca2+). 
D)  Chloride, potassium, and calcium ions have the same influence on resting membrane potential.

Question 12

The neurotransmitter binds to a structure on the postsynaptic neuron called a

Accepted Answer

A)  reuptake pump. 
B)  receptor. 
C)  neurotransmitter cleft 
D)  synaptic cleft. 
A)  reuptake pump. 
B)  receptor. 
C)  neurotransmitter cleft 
D)  synaptic cleft.

Question 13

The neuron doctrine suggested that there might be a gap between neurons. Who came up with the formal term for this gap?

Accepted Answer

A)  Camillo Golgi. 
B)  Santiago Ramón y Cajal. 
C)  Charles Sherrington. 
D)  Michael Foster. 
A)  Camillo Golgi. 
B)  Santiago Ramón y Cajal. 
C)  Charles Sherrington. 
D)  Michael Foster.

Question 14

Von Economo neurons might be found in which part of the brain?

Accepted Answer

A)  Hippocampus. 
B)  Anterior cingulate cortical area. 
C)  Medial prefrontal cortex. 
D)  Cerebellum. 
A)  Hippocampus. 
B)  Anterior cingulate cortical area. 
C)  Medial prefrontal cortex. 
D)  Cerebellum.

Question 15

The area postrema is known as the vomiting center.

Accepted Answer

A) True 
 B)False

Question 16

The ________ is where the presynaptic neuron 's terminal contacts the postsynaptic neuron's dendrite.

Accepted Answer

The answer of The ________ is where the presynaptic neuron...

Question 17

Which of the following techniques can be used to create a virtual lesion?

Accepted Answer

A)  Functional magnetic resonance imaging (fMRI). 
B)  Transcranial magnetic stimulation (TMS). 
C)  Positron emission tomography (PET). 
D)  Electroencephalogram (EEG). 
A)  Functional magnetic resonance imaging (fMRI). 
B)  Transcranial magnetic stimulation (TMS). 
C)  Positron emission tomography (PET). 
D)  Electroencephalogram (EEG).

Question 18

Findings from the Iowa Gambling Task have shown that healthy, normal subjects

Accepted Answer

A)  are always consciously aware of the risks they are taking. 
B)  are in conscious control of their autonomic responses to risk. 
C)  have an autonomic reaction to risk before they are consciously aware of risk. 
D)  have an autonomic reaction to risk only after they are consciously aware of risk. 
A)  are always consciously aware of the risks they are taking. 
B)  are in conscious control of their autonomic responses to risk. 
C)  have an autonomic reaction to risk before they are consciously aware of risk. 
D)  have an autonomic reaction to risk only after they are consciously aware of risk.

Question 19

Based on the electrical gradient, positively charged potassium ions (K+) would be ________.

Accepted Answer

A)  Forced out of the neuron into the extracellular space. 
B)  Neither moved in nor out of neurons (potassium ions would be at equilibrium). 
C)  Drawn into the intracellular space of the neuron. 
D)  Converted into sodium using adenosine triphosphate (ATP) as an energy source. 
A)  Forced out of the neuron into the extracellular space. 
B)  Neither moved in nor out of neurons (potassium ions would be at equilibrium). 
C)  Drawn into the intracellular space of the neuron. 
D)  Converted into sodium using adenosine triphosphate (ATP) as an energy source.

Question 20

When Otto Loewi placed the solution surrounding a frog heart whose heartbeat had been altered by vagal nerve stimulation into a second container with another frog heart, why did the second frog heart change its heartbeat similarly?

Accepted Answer

A)  The first heart had depleted the oxygen in the solution. 
B)  The first heart had released waste products into the solution. 
C)  The solution had been heated by the first heart's activity. 
D)  The solution contained neurotransmitters released by the vagal nerve stimulation. 
A)  The first heart had depleted the oxygen in the solution. 
B)  The first heart had released waste products into the solution. 
C)  The solution had been heated by the first heart's activity. 
D)  The solution contained neurotransmitters released by the vagal nerve stimulation.

Protein structures which form pores in the neuronal cell membrane are called

The spike-initiation zone is sometimes synonymous with the

Axon terminals only form synapses on dendrites, not somas or other axons.

During the ________ no amount of stimulation can trigger another action potential.

A rapid change of the neuron's membrane potential from -70mV to +40mV and back is indicative of

Drugs given to treat epilepsy often target ________.

Pores in the neuronal cell membrane that may be selectively permeable to charged molecules are called ________.

The creation of new synapses is called ________.

__________ are charged molecules.

How might dysfunctional oligodendrocytes be involved in depression?

Which of the following ions has the strongest influence on the resting membrane potential?

The neurotransmitter binds to a structure on the postsynaptic neuron called a

The neuron doctrine suggested that there might be a gap between neurons. Who came up with the formal term for this gap?

Von Economo neurons might be found in which part of the brain?

The area postrema is known as the vomiting center.

The ________ is where the presynaptic neuron 's terminal contacts the postsynaptic neuron's dendrite.

Which of the following techniques can be used to create a virtual lesion?

Findings from the Iowa Gambling Task have shown that healthy, normal subjects

Based on the electrical gradient, positively charged potassium ions (K⁺) would be ________.

When Otto Loewi placed the solution surrounding a frog heart whose heartbeat had been altered by vagal nerve stimulation into a second container with another frog heart, why did the second frog heart change its heartbeat similarly?

Introduction to Biological Psychology

The Nervous System: Structure and Function

Neurochemistry, Neuropsychopharmacology, and Drug Addiction

Evolving Brains: Neural Development, Neuroplasticity, and Recovery of Function

Sensation, Perception, and Adaptation

Movement

Maintenance and Motivation

Sleep, Wakefulness, and Conscious Awareness

Emotional Expression and Regulation

Affiliative and Reproductive Strategies

Learning, Memory, and Decision Making

Mental Illness

Filters

Exam 3: Cells and Circuits

Protein structures which form pores in the neuronal cell membrane are called

The spike-initiation zone is sometimes synonymous with the

Axon terminals only form synapses on dendrites, not somas or other axons.

During the ________ no amount of stimulation can trigger another action potential.

A rapid change of the neuron's membrane potential from -70mV to +40mV and back is indicative of

Drugs given to treat epilepsy often target ________.

Pores in the neuronal cell membrane that may be selectively permeable to charged molecules are called ________.

The creation of new synapses is called ________.

__________ are charged molecules.

How might dysfunctional oligodendrocytes be involved in depression?

Which of the following ions has the strongest influence on the resting membrane potential?

The neurotransmitter binds to a structure on the postsynaptic neuron called a

The neuron doctrine suggested that there might be a gap between neurons. Who came up with the formal term for this gap?

Von Economo neurons might be found in which part of the brain?

The area postrema is known as the vomiting center.

The ________ is where the presynaptic neuron 's terminal contacts the postsynaptic neuron's dendrite.

Which of the following techniques can be used to create a virtual lesion?

Findings from the Iowa Gambling Task have shown that healthy, normal subjects

Based on the electrical gradient, positively charged potassium ions (K+) would be ________.

When Otto Loewi placed the solution surrounding a frog heart whose heartbeat had been altered by vagal nerve stimulation into a second container with another frog heart, why did the second frog heart change its heartbeat similarly?

Introduction to Biological Psychology

The Nervous System: Structure and Function

Neurochemistry, Neuropsychopharmacology, and Drug Addiction

Evolving Brains: Neural Development, Neuroplasticity, and Recovery of Function

Sensation, Perception, and Adaptation

Movement

Maintenance and Motivation

Sleep, Wakefulness, and Conscious Awareness

Emotional Expression and Regulation

Affiliative and Reproductive Strategies

Learning, Memory, and Decision Making

Mental Illness

Filters

Based on the electrical gradient, positively charged potassium ions (K⁺) would be ________.