Question 1

Calcium pumps differ from sodium-potassium pumps in that

Accepted Answer

A) they do not require energy in order to operate. 
B)  they are rarely found in the central nervous system.​ 
C)  they do not collect another type of ion in exchange for the calcium they pump out of the cell.​ 
D)  they are not essential for the healthy operation of the nervous system.​ 
A) they do not require energy in order to operate. 
B)  they are rarely found in the central nervous system.​ 
C)  they do not collect another type of ion in exchange for the calcium they pump out of the cell.​ 
D)  they are not essential for the healthy operation of the nervous system.​

Question 2

A neuron is unable to produce another action potential under any circumstances during the

Accepted Answer

A) absolute refractory period. 
B) relative refractory period. 
C) depolarization phase of the action potential. 
D) hyperpolarization phase of an action potential. 
A) absolute refractory period. 
B) relative refractory period. 
C) depolarization phase of the action potential. 
D) hyperpolarization phase of an action potential.

Question 3

-Potassium ions (K+)are pushed ____________________ the cell by diffusion and ____________________ the cell by electrical force.

Accepted Answer

The answer of  
-Potassium ions (K+)are pushed ____________________ the...

Question 4

When an action potential reaches an axon terminal,calcium

Accepted Answer

A) rushes into the cell immediately, because this negatively charged ion is attracted to the now-positive environment of the axon terminal 
B) rushes out of the axon terminal, because this positively charged ion is repelled by the now-positive environment of the axon terminal. 
C) leaves the axon terminal as the action potential recedes, because that is when the calcium channels begin to open. 
D) enters the axon terminal as the action potential recedes, primarily due to diffusion. 
A) rushes into the cell immediately, because this negatively charged ion is attracted to the now-positive environment of the axon terminal 
B) rushes out of the axon terminal, because this positively charged ion is repelled by the now-positive environment of the axon terminal. 
C) leaves the axon terminal as the action potential recedes, because that is when the calcium channels begin to open. 
D) enters the axon terminal as the action potential recedes, primarily due to diffusion.

Question 5

The substructure within a neuron's cell body that contains the cell's DNA is called the ________.

Accepted Answer

A) axon 
B)  dendrite​ 
C) nucleus 
D) nucleolus 
A) axon 
B)  dendrite​ 
C) nucleus 
D) nucleolus

Question 6

-In this figure,threshold is measured at ____________________ mV,the peak of the action potential occurs at ____________________ mV,and the recording during the refractory period appears to go as low as ____________________ mV.

Accepted Answer

-65,+40,-8

Question 7

What is the difference between the absolute and relative refractory periods?

Accepted Answer

Given sufficient stimulation,an axon pot

Question 8

The most common structural type of neuron in the vertebrate nervous system is the

Accepted Answer

A) unipolar neuron. 
B)  bipolar neuron.​ 
C) multipolar neuron. 
D) interneuron. 
A) unipolar neuron. 
B)  bipolar neuron.​ 
C) multipolar neuron. 
D) interneuron.

Question 9

Inflammation caused by which of the following types of glia is believed to contribute to neurodegenerative diseases,such as Alzheimer's disease and Parkinson's disease?

Accepted Answer

A) astrocytes 
B) oligodendrocytes 
C) Schwann cells 
D) microglia 
A) astrocytes 
B) oligodendrocytes 
C) Schwann cells 
D) microglia

Question 10

Protein structures on the postsynaptic neuron that have recognition sites located on the channel protein are known as

Accepted Answer

A) ionotropic receptors. 
B) metabotropic receptors. 
C) autoreceptors. 
D) transporter molecules. 
A) ionotropic receptors. 
B) metabotropic receptors. 
C) autoreceptors. 
D) transporter molecules.

Question 11

-During exocytosis,________ ions enter the presynaptic terminal and trigger the migration of ________.

Accepted Answer

calcium,sy

Question 12

Your brain differentiates between a tap on your arm and a sharp slap on your arm by the

Accepted Answer

A) number of action potentials produced in response to the sensory input. 
B)  size of the action potentials produced in response to the sensory input.​ 
C)  kind of neurotransmitters released at the synapse of the sensory neuron.​ 
D)  number (2 or more different kinds) of neurotransmitters released at the synapse of the sensory neuron.​ 
A) number of action potentials produced in response to the sensory input. 
B)  size of the action potentials produced in response to the sensory input.​ 
C)  kind of neurotransmitters released at the synapse of the sensory neuron.​ 
D)  number (2 or more different kinds) of neurotransmitters released at the synapse of the sensory neuron.​

Question 13

Neurons that are not specialized for either sensory or motor functions are known as

Accepted Answer

A) sensory neurons. 
B)  motor neurons.​ 
C) unipolar neurons. 
D) interneurons. 
A) sensory neurons. 
B)  motor neurons.​ 
C) unipolar neurons. 
D) interneurons.

Question 14

Which of the following is the correct order for events related to electrical signaling in neurons?

Accepted Answer

A) rise, fall, absolute refractory period, threshold, relative refractory period 
B)  rise, fall, threshold, absolute refractory period, relative refractory period​ 
C)  threshold, rise, fall, relative refractory period, absolute refractory period​ 
D)  threshold, rise, fall, absolute refractory period, relative refractory period​ 
A) rise, fall, absolute refractory period, threshold, relative refractory period 
B)  rise, fall, threshold, absolute refractory period, relative refractory period​ 
C)  threshold, rise, fall, relative refractory period, absolute refractory period​ 
D)  threshold, rise, fall, absolute refractory period, relative refractory period​

Question 15

When an axo-axonic synapse results in a decrease of neurotransmitter released by a target axon,which of the following processes has occurred?

Accepted Answer

A) temporal summation 
B)  spatial summation​ 
C) presynaptic facilitation 
D) presynaptic inhibition 
A) temporal summation 
B)  spatial summation​ 
C) presynaptic facilitation 
D) presynaptic inhibition

Question 16

Calcium channels

Accepted Answer

A) are evenly distributed down the length of the axon. 
B)  are rare along the length of the axon, but are found in large quantities on the axon terminal.​ 
C)  are rare at the axon terminal, but are found in large quantities down the length of the axon.​ 
D)  occur on the cell body and dendrites, but rarely on axons.​ 
A) are evenly distributed down the length of the axon. 
B)  are rare along the length of the axon, but are found in large quantities on the axon terminal.​ 
C)  are rare at the axon terminal, but are found in large quantities down the length of the axon.​ 
D)  occur on the cell body and dendrites, but rarely on axons.​

Question 17

When chemical communication at a synapse is terminated by the recapture of neurotransmitter molecules by the presynaptic neuron,we refer to the process as

Accepted Answer

A) diffusion. 
B) enzymatic deactivation. 
C) reuptake. 
D) second messaging. 
A) diffusion. 
B) enzymatic deactivation. 
C) reuptake. 
D) second messaging.

Question 18

What do neuroscientists mean when they use the term "kiss and run"?

Accepted Answer

A) The presynaptic and postsynaptic membranes actually touch or "kiss." 
B) Synaptic vesicles touch or "kiss" each other inside the presynaptic terminal. 
C) Neurotransmitter molecules "kiss" receptors, and then return to the synaptic gap. 
D) Synaptic vesicles "kiss" the axon terminal membrane, releasing only a part of their contents. 
A) The presynaptic and postsynaptic membranes actually touch or "kiss." 
B) Synaptic vesicles touch or "kiss" each other inside the presynaptic terminal. 
C) Neurotransmitter molecules "kiss" receptors, and then return to the synaptic gap. 
D) Synaptic vesicles "kiss" the axon terminal membrane, releasing only a part of their contents.

Question 19

Many common brain disorders,including stroke,may result in damage due to the release of the amino acid glutamate by

Accepted Answer

A) astrocytes. 
B)  oligodendrocytes.​ 
C) Schwann cells. 
D) microglia. 
A) astrocytes. 
B)  oligodendrocytes.​ 
C) Schwann cells. 
D) microglia.

Question 20

The swelling at the end of an axon is known as an axon

Accepted Answer

A) spine. 
B) hillock. 
C) collateral. 
D) terminal. 
A) spine. 
B) hillock. 
C) collateral. 
D) terminal.

Calcium pumps differ from sodium-potassium pumps in that

A neuron is unable to produce another action potential under any circumstances during the

-Potassium ions (K+)are pushed the cell by diffusion and the cell by electrical force.

When an action potential reaches an axon terminal,calcium

The substructure within a neuron's cell body that contains the cell's DNA is called the ________.

What is the difference between the absolute and relative refractory periods?

The most common structural type of neuron in the vertebrate nervous system is the

Inflammation caused by which of the following types of glia is believed to contribute to neurodegenerative diseases,such as Alzheimer's disease and Parkinson's disease?

Protein structures on the postsynaptic neuron that have recognition sites located on the channel protein are known as

-During exocytosis, ions enter the presynaptic terminal and trigger the migration of .

Your brain differentiates between a tap on your arm and a sharp slap on your arm by the

Neurons that are not specialized for either sensory or motor functions are known as

Which of the following is the correct order for events related to electrical signaling in neurons?

When an axo-axonic synapse results in a decrease of neurotransmitter released by a target axon,which of the following processes has occurred?

Calcium channels

When chemical communication at a synapse is terminated by the recapture of neurotransmitter molecules by the presynaptic neuron,we refer to the process as

What do neuroscientists mean when they use the term "kiss and run"?

Many common brain disorders,including stroke,may result in damage due to the release of the amino acid glutamate by

The swelling at the end of an axon is known as an axon

What Is Behavioral Neuroscience

Functional Neuroanatomy and the Evolution of the Nervous System

Psychopharmacology

Genetics and the Development of the Human Brain

Vision

Nonvisual Sensation and Perception

Movement

Homeostasis and Motivation

Sexual Behavior

Sleep and Waking

Learning and Memory

Hemispheric Asymmetry, language, and Intelligence

Emotion, reward, aggression, and Stress

Neuropsychology

Psychopathology

Filters

Exam 3: Neurophysiology: the Structure and Functions of the Cells of the Nervous System

Calcium pumps differ from sodium-potassium pumps in that

A neuron is unable to produce another action potential under any circumstances during the

-Potassium ions (K+)are pushed ____________________ the cell by diffusion and ____________________ the cell by electrical force.

When an action potential reaches an axon terminal,calcium

The substructure within a neuron's cell body that contains the cell's DNA is called the ________.

-In this figure,threshold is measured at ____________________ mV,the peak of the action potential occurs at ____________________ mV,and the recording during the refractory period appears to go as low as ____________________ mV.

What is the difference between the absolute and relative refractory periods?

The most common structural type of neuron in the vertebrate nervous system is the

Inflammation caused by which of the following types of glia is believed to contribute to neurodegenerative diseases,such as Alzheimer's disease and Parkinson's disease?

Protein structures on the postsynaptic neuron that have recognition sites located on the channel protein are known as

-During exocytosis,________ ions enter the presynaptic terminal and trigger the migration of ________.

Your brain differentiates between a tap on your arm and a sharp slap on your arm by the

Neurons that are not specialized for either sensory or motor functions are known as

Which of the following is the correct order for events related to electrical signaling in neurons?

When an axo-axonic synapse results in a decrease of neurotransmitter released by a target axon,which of the following processes has occurred?

Calcium channels

When chemical communication at a synapse is terminated by the recapture of neurotransmitter molecules by the presynaptic neuron,we refer to the process as

What do neuroscientists mean when they use the term "kiss and run"?

Many common brain disorders,including stroke,may result in damage due to the release of the amino acid glutamate by

The swelling at the end of an axon is known as an axon

What Is Behavioral Neuroscience

Functional Neuroanatomy and the Evolution of the Nervous System

Psychopharmacology

Genetics and the Development of the Human Brain

Vision

Nonvisual Sensation and Perception

Movement

Homeostasis and Motivation

Sexual Behavior

Sleep and Waking

Learning and Memory

Hemispheric Asymmetry, language, and Intelligence

Emotion, reward, aggression, and Stress

Neuropsychology

Psychopathology

Filters

-Potassium ions (K+)are pushed the cell by diffusion and the cell by electrical force.

-During exocytosis, ions enter the presynaptic terminal and trigger the migration of .