Question 1

Which of the following is correct regarding axoplasmic transport?

Accepted Answer

A)  Dendrograde transport involves moving substances from the dendrites to the soma. 
B)  Retrograde transport involves moving substances from the soma to the axon terminals. 
C)  The kinesin molecule is involved in anterograde transport. 
D)  Retrograde transport is twice as fast as anterograde transport. 
E)  The dynein molecule is involved in anterograde transport. 
A)  Dendrograde transport involves moving substances from the dendrites to the soma. 
B)  Retrograde transport involves moving substances from the soma to the axon terminals. 
C)  The kinesin molecule is involved in anterograde transport. 
D)  Retrograde transport is twice as fast as anterograde transport. 
E)  The dynein molecule is involved in anterograde transport.

Question 2

The effects of acetylcholine are prolonged by drugs that inactivate the enzyme ________.

Accepted Answer

ACHe or ac

Question 3

A cup of sugar is dumped into a gallon of hot water. After 30 minutes, we will expect that the process of _______ will ensure that the sugar molecules are evenly distributed throughout the water.

Accepted Answer

A)  retrograde transport 
B)  diffusion 
C)  anterograde transport 
D)  electrostatic pressure 
E)  salinity 
A)  retrograde transport 
B)  diffusion 
C)  anterograde transport 
D)  electrostatic pressure 
E)  salinity

Question 4

The term _______ is derived from the word meaning "little bladder."

Accepted Answer

A)  vesicle 
B)  neurite 
C)  cisternae 
D)  mitochondria 
E)  storage pool 
A)  vesicle 
B)  neurite 
C)  cisternae 
D)  mitochondria 
E)  storage pool

Question 5

The difference in electrical charge between the inside and the outside of the axon membrane is defined as the _______ potential.

Accepted Answer

A)  membrane 
B)  local 
C)  glial 
D)  action 
E)  axon 
A)  membrane 
B)  local 
C)  glial 
D)  action 
E)  axon

Question 6

Which of the following events restores the membrane potential from the peak of the action potential back down to the resting level?

Accepted Answer

A)  Sodium ions move into the cell. 
B)  Potassium ions move out of the cell. 
C)  Potassium ions move into the cell. 
D)  Chloride ions move into the cell. 
E)  Protein anions move out of the cell. 
A)  Sodium ions move into the cell. 
B)  Potassium ions move out of the cell. 
C)  Potassium ions move into the cell. 
D)  Chloride ions move into the cell. 
E)  Protein anions move out of the cell.

Question 7

The interior of a neuron at rest

Accepted Answer

A)  has the same ionic concentrations as the outside. 
B)  is at the same voltage potential as the outside. 
C)  has a higher sodium concentration than outside. 
D)  is negatively charged relative to the outside. 
E)  has a lower potassium concentration than outside. 
A)  has the same ionic concentrations as the outside. 
B)  is at the same voltage potential as the outside. 
C)  has a higher sodium concentration than outside. 
D)  is negatively charged relative to the outside. 
E)  has a lower potassium concentration than outside.

Question 8

The _______ potential is defined as the difference in electrical charge between the inside and the outside of an undisturbed axon membrane.

Accepted Answer

A)  resting membrane 
B)  local 
C)  resting 
D)  action 
E)  axon 
A)  resting membrane 
B)  local 
C)  resting 
D)  action 
E)  axon

Question 9

As a consequence of the activity of the sodium-potassium transporters,

Accepted Answer

A)  extracellular sodium concentrations are kept low. 
B)  intracellular sodium concentrations are kept very high. 
C)  extracellular potassium concentrations are kept very high. 
D)  intracellular sodium concentrations are kept low. 
E)  very little energy is required to maintain ionic differences across the membrane. 
A)  extracellular sodium concentrations are kept low. 
B)  intracellular sodium concentrations are kept very high. 
C)  extracellular potassium concentrations are kept very high. 
D)  intracellular sodium concentrations are kept low. 
E)  very little energy is required to maintain ionic differences across the membrane.

Question 10

________ receptors involve the direct opening of an ion channel, whereas metabotropic
receptors involve the action of second messenger molecules inside the postsynaptic cell.

Accepted Answer

The answer of ________ receptors involve the direct opening of...

Question 11

The term ________ is derived from the word meaning "little bladder."

Accepted Answer

The answer of The term ________ is derived from the...

Question 12

You reach out and touch a piece of cloth, feeling its texture. The cells that gather this sensory information are part of the __________ nervous system.

Accepted Answer

A)  central 
B)  peripheral 
C)  autonomic 
D)  parasympathetic 
E)  sympathetic 
A)  central 
B)  peripheral 
C)  autonomic 
D)  parasympathetic 
E)  sympathetic

Question 13

When substances are transported from the soma to the terminal buttons at the end of the axon, this process is referred to as ____________.

Accepted Answer

A)  retrograde axoplasmic transport 
B)  systemic axoplasmic transport 
C)  anterograde axoplasmic transport 
D)  peripheral axoplasmic transport 
E)  anterograde somatoplasmic transport 
A)  retrograde axoplasmic transport 
B)  systemic axoplasmic transport 
C)  anterograde axoplasmic transport 
D)  peripheral axoplasmic transport 
E)  anterograde somatoplasmic transport

Question 14

Myelination of brain nerve axon membranes is accomplished by

Accepted Answer

A)  oligodendrocytes. 
B)  microglia. 
C)  astrocytes. 
D)  neurocytes. 
E)  Schwann cells. 
A)  oligodendrocytes. 
B)  microglia. 
C)  astrocytes. 
D)  neurocytes. 
E)  Schwann cells.

Question 15

Match the ion channel action with its resulting change in membrane potential.

Accepted Answer

A)  entry of a negative ion; hyperpolarization 
B)  entry of a positive ion; hyperpolarization 
C)  exit of a positive ion; depolarization 
D)  exit of a negative ion; hyperpolarization 
E)  inactivation of sodium-potassium transporters; depolarization 
A)  entry of a negative ion; hyperpolarization 
B)  entry of a positive ion; hyperpolarization 
C)  exit of a positive ion; depolarization 
D)  exit of a negative ion; hyperpolarization 
E)  inactivation of sodium-potassium transporters; depolarization

Question 16

In a myelinated axon, ions enter or leave the axon membrane only at the ________.

Accepted Answer

The answer of In a myelinated axon, ions enter or...

Which of the following is correct regarding axoplasmic transport?

The effects of acetylcholine are prolonged by drugs that inactivate the enzyme ________.

A cup of sugar is dumped into a gallon of hot water. After 30 minutes, we will expect that the process of _______ will ensure that the sugar molecules are evenly distributed throughout the water.

The term _______ is derived from the word meaning "little bladder."

The difference in electrical charge between the inside and the outside of the axon membrane is defined as the _______ potential.

Which of the following events restores the membrane potential from the peak of the action potential back down to the resting level?

The interior of a neuron at rest

The _______ potential is defined as the difference in electrical charge between the inside and the outside of an undisturbed axon membrane.

As a consequence of the activity of the sodium-potassium transporters,

________ receptors involve the direct opening of an ion channel, whereas metabotropic receptors involve the action of second messenger molecules inside the postsynaptic cell.

The term ________ is derived from the word meaning "little bladder."

You reach out and touch a piece of cloth, feeling its texture. The cells that gather this sensory information are part of the __________ nervous system.

When substances are transported from the soma to the terminal buttons at the end of the axon, this process is referred to as ____________.

Myelination of brain nerve axon membranes is accomplished by

Match the ion channel action with its resulting change in membrane potential.

In a myelinated axon, ions enter or leave the axon membrane only at the ________.

Introduction

Structure of the Nervous System

Psychopharmacology

Methods and Strategies of Research

Vision

Audition, the Body Senses, and the Chemical Senses

Control of Movement

Sleep and Biological Rhythms

Reproductive Behavior

Emotion

Ingestive Behavior

Learning and Memory

Human Communication

Neurological Disorders

Schizophrenia and the Affective Disorders

Anxiety Disorders, Autistic Disorder, attention-Deficithyperactivity Disorder, and Stress Disorders

Substance Abuse

Filters

Exam 2: Structure and Function of Cells of the Nervous System

Which of the following is correct regarding axoplasmic transport?

The effects of acetylcholine are prolonged by drugs that inactivate the enzyme ________.

A cup of sugar is dumped into a gallon of hot water. After 30 minutes, we will expect that the process of _______ will ensure that the sugar molecules are evenly distributed throughout the water.

The term _______ is derived from the word meaning "little bladder."

The difference in electrical charge between the inside and the outside of the axon membrane is defined as the _______ potential.

Which of the following events restores the membrane potential from the peak of the action potential back down to the resting level?

The interior of a neuron at rest

The _______ potential is defined as the difference in electrical charge between the inside and the outside of an undisturbed axon membrane.

As a consequence of the activity of the sodium-potassium transporters,

________ receptors involve the direct opening of an ion channel, whereas metabotropic receptors involve the action of second messenger molecules inside the postsynaptic cell.

The term ________ is derived from the word meaning "little bladder."

You reach out and touch a piece of cloth, feeling its texture. The cells that gather this sensory information are part of the __________ nervous system.

When substances are transported from the soma to the terminal buttons at the end of the axon, this process is referred to as ____________.

Myelination of brain nerve axon membranes is accomplished by

Match the ion channel action with its resulting change in membrane potential.

In a myelinated axon, ions enter or leave the axon membrane only at the ________.

Introduction

Structure of the Nervous System

Psychopharmacology

Methods and Strategies of Research

Vision

Audition, the Body Senses, and the Chemical Senses

Control of Movement

Sleep and Biological Rhythms

Reproductive Behavior

Emotion

Ingestive Behavior

Learning and Memory

Human Communication

Neurological Disorders

Schizophrenia and the Affective Disorders

Anxiety Disorders, Autistic Disorder, attention-Deficithyperactivity Disorder, and Stress Disorders

Substance Abuse

Filters