Question 1

A neurologist is using a voltmeter to measure potential.The membrane potential of a neuron was recorded at +30 mV.This is what type of membrane potential?

Accepted Answer

A)  Action 
B)  Conduction 
C)  Polarized 
D)  Resting 
A)  Action 
B)  Conduction 
C)  Polarized 
D)  Resting

Question 2

Explain what characteristics of the neuron impact the speed at which action potentials are conducted.What is the range of speed at which an impulse can be conducted?

Accepted Answer

The speed at which action potentials are

Question 3

Explain the process of an action potential moving down a neuron.

Accepted Answer

An action potential is the electrical si

Question 4

Match each part of the nervous system with its corresponding description.
-consists of all the outgoing pathways

Accepted Answer

A) Afferent division 
B) Autonomic nervous system 
C) Central nervous system 
D) Efferent division 
E) Parasympathetic division
F)Peripheral nervous system
G)Somatic nervous system
H)Sympathetic division 
A) Afferent division 
B) Autonomic nervous system 
C) Central nervous system 
D) Efferent division 
E) Parasympathetic division
F)Peripheral nervous system
G)Somatic nervous system
H)Sympathetic division

Question 5

Which of the following is the deepest connective tissue layer of a nerve?

Accepted Answer

A)  Endoneurium 
B)  Perineurium 
C)  Epineurium 
D)  Fascicle 
A)  Endoneurium 
B)  Perineurium 
C)  Epineurium 
D)  Fascicle

Question 6

Severe depression can be caused by a deficit in certain brain synapses of:

Accepted Answer

A)  acetylcholine. 
B)  amines. 
C)  amino acids. 
D)  neuropeptides. 
A)  acetylcholine. 
B)  amines. 
C)  amino acids. 
D)  neuropeptides.

Question 7

Which of the following is not a function of the central nervous system (CNS)?

Accepted Answer

A)  Integrating sensory information 
B)  Evaluating the information 
C)  Initiating an outgoing response 
D)  All of the above are functions of the CNS. 
A)  Integrating sensory information 
B)  Evaluating the information 
C)  Initiating an outgoing response 
D)  All of the above are functions of the CNS.

Question 8

What is the difference between nuclei and ganglia?

Accepted Answer

Nuclei and ganglia are both structures r

Question 9

Match each term with its definition or description.
-contains the nucleus and various organelles for the neuron

Accepted Answer

A) Cell body 
B) Axon 
C) Nodes of Ranvier 
D) Dendrite 
E) Myelin
F)Neurofibrils 
A) Cell body 
B) Axon 
C) Nodes of Ranvier 
D) Dendrite 
E) Myelin
F)Neurofibrils

Question 10

The nervous system can be divided:

Accepted Answer

A)  according to its structure. 
B)  according to direction of information flow. 
C)  by control of effectors. 
D)  in all of the above ways. 
A)  according to its structure. 
B)  according to direction of information flow. 
C)  by control of effectors. 
D)  in all of the above ways.

Question 11

Which of the following antidepressants acts by blocking the action of monoamine oxidase (MAO)?

Accepted Answer

A)  Phenelzine 
B)  Imipramine 
C)  Amitriptyline 
D)  Cocaine 
A)  Phenelzine 
B)  Imipramine 
C)  Amitriptyline 
D)  Cocaine

Question 12

Match each part of the nervous system with its corresponding description.
-produces the "fight-or-flight" response

Accepted Answer

A) Afferent division 
B) Autonomic nervous system 
C) Central nervous system 
D) Efferent division 
E) Parasympathetic division
F)Peripheral nervous system
G)Somatic nervous system
H)Sympathetic division 
A) Afferent division 
B) Autonomic nervous system 
C) Central nervous system 
D) Efferent division 
E) Parasympathetic division
F)Peripheral nervous system
G)Somatic nervous system
H)Sympathetic division

Question 13

Astrocytes attach to:

Accepted Answer

A)  neurons. 
B)  oligodendrocytes. 
C)  blood vessels. 
D)  both A and C. 
A)  neurons. 
B)  oligodendrocytes. 
C)  blood vessels. 
D)  both A and C.

Question 14

Match each of the following cell types with its corresponding description.
-type of neuroglia that forms neurilemma

Accepted Answer

A) Astrocyte 
B) Oligodendrocyte 
C) Microglia 
D) Schwann cell 
E) Ependymal cells 
A) Astrocyte 
B) Oligodendrocyte 
C) Microglia 
D) Schwann cell 
E) Ependymal cells

Question 15

Name and describe the three parts of the neuron.

Accepted Answer

The three parts of a neuron are the dend

Question 16

Explain a way that the nerve cell is able to respond to stimuli of different strengths.

Accepted Answer

Nerve cells, or neurons, have the abilit

Question 17

Fascicles are held together by a connective tissue layer called the:

Accepted Answer

A)  endoneurium. 
B)  perineurium. 
C)  macroneurium. 
D)  epineurium. 
A)  endoneurium. 
B)  perineurium. 
C)  macroneurium. 
D)  epineurium.

Question 18

Excitatory neurotransmitters are most likely to:

Accepted Answer

A)  increase the speed of impulse conduction. 
B)  make the cell membrane impermeable. 
C)  initiate an action potential. 
D)  make the resting potential more negative. 
A)  increase the speed of impulse conduction. 
B)  make the cell membrane impermeable. 
C)  initiate an action potential. 
D)  make the resting potential more negative.

Question 19

The nervous system is organized to do which of the following?

Accepted Answer

A)  Detect changes in the external environment 
B)  Detect changes in the internal environment 
C)  Evaluate changes in the environment 
D)  All of the above 
A)  Detect changes in the external environment 
B)  Detect changes in the internal environment 
C)  Evaluate changes in the environment 
D)  All of the above

Question 20

Which of the following statements about amino acid neurotransmitters is incorrect?

Accepted Answer

A)  They are among the most common neurotransmitters in the central nervous system. 
B)  They are all inhibitory neurotransmitters. 
C)  Glycine is a widely distributed inhibitory neurotransmitter in the spinal cord. 
D)  All of the above statements are correct. 
A)  They are among the most common neurotransmitters in the central nervous system. 
B)  They are all inhibitory neurotransmitters. 
C)  Glycine is a widely distributed inhibitory neurotransmitter in the spinal cord. 
D)  All of the above statements are correct.

Exam 13: B: Nervous System Cells

A neurologist is using a voltmeter to measure potential.The membrane potential of a neuron was recorded at +30 mV.This is what type of membrane potential?

Explain what characteristics of the neuron impact the speed at which action potentials are conducted.What is the range of speed at which an impulse can be conducted?

Explain the process of an action potential moving down a neuron.

Match each part of the nervous system with its corresponding description. -consists of all the outgoing pathways

Which of the following is the deepest connective tissue layer of a nerve?

Severe depression can be caused by a deficit in certain brain synapses of:

Which of the following is not a function of the central nervous system (CNS)?

What is the difference between nuclei and ganglia?

Match each term with its definition or description. -contains the nucleus and various organelles for the neuron

The nervous system can be divided:

Which of the following antidepressants acts by blocking the action of monoamine oxidase (MAO)?

Match each part of the nervous system with its corresponding description. -produces the "fight-or-flight" response

Astrocytes attach to:

Match each of the following cell types with its corresponding description. -type of neuroglia that forms neurilemma

Name and describe the three parts of the neuron.

Explain a way that the nerve cell is able to respond to stimuli of different strengths.

Fascicles are held together by a connective tissue layer called the:

Excitatory neurotransmitters are most likely to:

The nervous system is organized to do which of the following?

Which of the following statements about amino acid neurotransmitters is incorrect?

A: Organization of the Body

B: Organization of the Body

A: The Chemical Basis of Life

B: The Chemical Basis of Life

A: Anatomy of Cells

B: Anatomy of Cells

Physiology of Cells

Cell Growth and Reproduction

Tissues

A: Skin and Its Appendages

B: Skin and Its Appendages

A: Skeletal Tissues

B: Skeletal Tissues

Skeletal System

A: Articulations

B: Articulations

A: Anatomy of the Muscular System

B: Anatomy of the Muscular System

A: Physiology of the Muscular System

B: Physiology of the Muscular System

A: Nervous System Cells

A: Central Nervous System

B: Central Nervous System

Peripheral Nervous System

Autonomic Nervous System

A: Sense Organs

B: Sense Organs

Endocrine System

Endocrine Glands

Blood

Anatomy of the Cardiovascular System

A: Physiology of the Cardiovascular System

B: Physiology of the Cardiovascular System

Lymphatic System

A: Immune System

B: Immune System

Stress

Anatomy of the Respiratory System

A: Physiology of the Respiratory System

B: Physiology of the Respiratory System

A: Anatomy of the Digestive System

B: Anatomy of the Digestive System

A: Physiology of the Digestive System

B: Physiology of the Digestive System

A: Nutrition and Metabolism

B: Nutrition and Metabolism

A: Urinary System

B: Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Male Reproductive System

A: Female Reproductive System

B: Female Reproductive System

A: Growth and Development

B: Growth and Development

A: Genetics and Heredity

B: Genetics and Heredity

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