Question 1

Which of the following is true of Schwann cells?

Accepted Answer

A)  Schwann cells provide myelin for peripheral nerve cells. 
B)  Schwann cells are found within the brain. 
C)  A single Schwann cell wraps multiple segments around a peripheral nerve cell. 
D)  A single Schwann cell can myelinate up to 50 segments of axon membrane. 
E)  Schwann cells remove the cellular debris left by dead neurons in brain. 
A)  Schwann cells provide myelin for peripheral nerve cells. 
B)  Schwann cells are found within the brain. 
C)  A single Schwann cell wraps multiple segments around a peripheral nerve cell. 
D)  A single Schwann cell can myelinate up to 50 segments of axon membrane. 
E)  Schwann cells remove the cellular debris left by dead neurons in brain. A

Question 2

Surplus substances within the cytoplasm are degraded by

Accepted Answer

A)  mitochondria. 
B)  ribosomes. 
C)  lysosomes. 
D)  the cytoskeleton. 
E)  cytoskeletal proteins. 
A)  mitochondria. 
B)  ribosomes. 
C)  lysosomes. 
D)  the cytoskeleton. 
E)  cytoskeletal proteins. C

Question 3

The process of phagocytosis involves

Accepted Answer

A)  the removal of neuronal debris. 
B)  the transfer of lactate from a glial cell to a neuron. 
C)  the wrapping of fatty material around an axon membrane. 
D)  structural support of a nerve cell. 
E)  the degradation of transmitter molecules within the synapse. 
A)  the removal of neuronal debris. 
B)  the transfer of lactate from a glial cell to a neuron. 
C)  the wrapping of fatty material around an axon membrane. 
D)  structural support of a nerve cell. 
E)  the degradation of transmitter molecules within the synapse. A

Question 4

The pressure on a cation to enter into the cell, where there is a negative charge, is referred to as __________________.

Accepted Answer

electrosta

Question 5

A key function of specialized lipid molecules located in the nerve cell is to

Accepted Answer

A)  detect the presence of hormones outside the cell. 
B)  form the membrane. 
C)  form channels to carry ions in and out of the cell. 
D)  transport molecules into the cell. 
E)  transport vesicles within the neuron. 
A)  detect the presence of hormones outside the cell. 
B)  form the membrane. 
C)  form channels to carry ions in and out of the cell. 
D)  transport molecules into the cell. 
E)  transport vesicles within the neuron.

Question 6

Which of the following represents a correct match between a neuronal organelle and its function?

Accepted Answer

A)  mitochondria; extraction of energy 
B)  Golgi apparatus; extraction of energy 
C)  endoplasmic reticulum; breakdown of proteins 
D)  microtubules; transport of chemicals through the cell membrane 
E)  mitochondria; formation of vesicles 
A)  mitochondria; extraction of energy 
B)  Golgi apparatus; extraction of energy 
C)  endoplasmic reticulum; breakdown of proteins 
D)  microtubules; transport of chemicals through the cell membrane 
E)  mitochondria; formation of vesicles

Question 7

In a myelinated axon, ions can enter and leave the axonal membrane only at

Accepted Answer

A)  the terminal buttons. 
B)  the soma. 
C)  the nodes of Ranvier. 
D)  the segment of membrane under the Schwann cell wrapping. 
E)  every point along the axonal membrane. 
A)  the terminal buttons. 
B)  the soma. 
C)  the nodes of Ranvier. 
D)  the segment of membrane under the Schwann cell wrapping. 
E)  every point along the axonal membrane.

Question 8

The myelin sheath surrounding axons in brain is formed by ________.

Accepted Answer

oligodendr

Question 9

Neurons of the central nervous system are provided nutrients, oxygen, and physical support by _______ cells.

Accepted Answer

A)  Schwann 
B)  glial or neuroglial 
C)  Golgi 
D)  stem 
E)  microtubule 
A)  Schwann 
B)  glial or neuroglial 
C)  Golgi 
D)  stem 
E)  microtubule

Question 10

What would you expect to happen if the enzyme AChE were to be disabled in your body?

Accepted Answer

The ACh activity in your body

Question 11

Movement of cargo from one end of the axon to the other involves _______ along the _______.

Accepted Answer

A)  axoplasmic transport; myelin sheath 
B)  facilitated diffusion; exterior of the cell membrane 
C)  facilitated diffusion; neurofilaments 
D)  protein synthesis; microtubules 
E)  axoplasmic transport; microtubules 
A)  axoplasmic transport; myelin sheath 
B)  facilitated diffusion; exterior of the cell membrane 
C)  facilitated diffusion; neurofilaments 
D)  protein synthesis; microtubules 
E)  axoplasmic transport; microtubules

Question 12

_______ are negatively charged particles.

Accepted Answer

A)  Transmitters 
B)  Solvents 
C)  Electrolytes 
D)  Cations 
E)  Anions 
A)  Transmitters 
B)  Solvents 
C)  Electrolytes 
D)  Cations 
E)  Anions

Question 13

Proteins are produced within the neuron cytoplasm by

Accepted Answer

A)  mitochondria. 
B)  ribosomes. 
C)  lysosomes. 
D)  the cytoskeleton. 
E)  nucleoli. 
A)  mitochondria. 
B)  ribosomes. 
C)  lysosomes. 
D)  the cytoskeleton. 
E)  nucleoli.

Question 14

A cation would be attracted to

Accepted Answer

A)  another cation. 
B)  an anion. 
C)  a sodium ion. 
D)  a potassium ion. 
E)  a calcium ion. 
A)  another cation. 
B)  an anion. 
C)  a sodium ion. 
D)  a potassium ion. 
E)  a calcium ion.

Question 15

A key function of the giant squid axon is the

Accepted Answer

A)  integration of sensory messages regarding the environment. 
B)  planning of feeding-related movements. 
C)  contraction of the squid mantle, which propels the squid away from danger. 
D)  coordination of general sensory-motor function. 
E)  contraction of the oral region to produce chewing movements. 
A)  integration of sensory messages regarding the environment. 
B)  planning of feeding-related movements. 
C)  contraction of the squid mantle, which propels the squid away from danger. 
D)  coordination of general sensory-motor function. 
E)  contraction of the oral region to produce chewing movements.

Question 16

The nucleus of the nerve cell is located within the

Accepted Answer

A)  soma. 
B)  axon. 
C)  axon terminals. 
D)  dendrites. 
E)  mitochondria. 
A)  soma. 
B)  axon. 
C)  axon terminals. 
D)  dendrites. 
E)  mitochondria.

Question 17

The official diagnosis that Kathryn D. received was

Accepted Answer

A)  lupus. 
B)  multiple sclerosis. 
C)  myasthenia gravis. 
D)  muscular dystrophy. 
E)  Lambert-Eaton syndrome. 
A)  lupus. 
B)  multiple sclerosis. 
C)  myasthenia gravis. 
D)  muscular dystrophy. 
E)  Lambert-Eaton syndrome.

Question 18

The specialized protein molecules located in the axon membrane that can open or close are termed

Accepted Answer

A)  receptors. 
B)  voltage transporters. 
C)  autoreceptors. 
D)  ion channels. 
E)  sodium-potassium transporters. 
A)  receptors. 
B)  voltage transporters. 
C)  autoreceptors. 
D)  ion channels. 
E)  sodium-potassium transporters.

Question 19

_______ are charged particles formed when an electrolyte dissolves in water.

Accepted Answer

A)  Ions 
B)  Solvents 
C)  Transmitters 
D)  Electrons 
E)  Solutes 
A)  Ions 
B)  Solvents 
C)  Transmitters 
D)  Electrons 
E)  Solutes

Question 20

______________ refers to the process of EPSPs and IPSPs interacting to have either an end result of excitation or inhibition.

Accepted Answer

The organelles lie within the cytoplasm

Which of the following is true of Schwann cells?

Surplus substances within the cytoplasm are degraded by

The process of phagocytosis involves

The pressure on a cation to enter into the cell, where there is a negative charge, is referred to as __________________.

A key function of specialized lipid molecules located in the nerve cell is to

Which of the following represents a correct match between a neuronal organelle and its function?

In a myelinated axon, ions can enter and leave the axonal membrane only at

The myelin sheath surrounding axons in brain is formed by ________.

Neurons of the central nervous system are provided nutrients, oxygen, and physical support by _______ cells.

What would you expect to happen if the enzyme AChE were to be disabled in your body?

Movement of cargo from one end of the axon to the other involves _ along the _.

_______ are negatively charged particles.

Proteins are produced within the neuron cytoplasm by

A cation would be attracted to

A key function of the giant squid axon is the

The nucleus of the nerve cell is located within the

The official diagnosis that Kathryn D. received was

The specialized protein molecules located in the axon membrane that can open or close are termed

_______ are charged particles formed when an electrolyte dissolves in water.

______________ refers to the process of EPSPs and IPSPs interacting to have either an end result of excitation or inhibition.

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 true of Schwann cells?

Surplus substances within the cytoplasm are degraded by

The process of phagocytosis involves

The pressure on a cation to enter into the cell, where there is a negative charge, is referred to as __________________.

A key function of specialized lipid molecules located in the nerve cell is to

Which of the following represents a correct match between a neuronal organelle and its function?

In a myelinated axon, ions can enter and leave the axonal membrane only at

The myelin sheath surrounding axons in brain is formed by ________.

Neurons of the central nervous system are provided nutrients, oxygen, and physical support by _______ cells.

What would you expect to happen if the enzyme AChE were to be disabled in your body?

Movement of cargo from one end of the axon to the other involves _______ along the _______.

_______ are negatively charged particles.

Proteins are produced within the neuron cytoplasm by

A cation would be attracted to

A key function of the giant squid axon is the

The nucleus of the nerve cell is located within the

The official diagnosis that Kathryn D. received was

The specialized protein molecules located in the axon membrane that can open or close are termed

_______ are charged particles formed when an electrolyte dissolves in water.

______________ refers to the process of EPSPs and IPSPs interacting to have either an end result of excitation or inhibition.

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

Movement of cargo from one end of the axon to the other involves _ along the _.