Question 1

Which of the following is NOT a functional classification of neurons?

Accepted Answer

A) motor or efferent 
B) interneuron or association 
C) multipolar 
D) sensory or afferent 
A) motor or efferent 
B) interneuron or association 
C) multipolar 
D) sensory or afferent

Question 2

Both long-term potentiation and long-term depression requires release of ___ from the postsynaptic neuron membrane.

Accepted Answer

A) Cl- 
B) K+ 
C) Ca2+ 
D) Mg2+ 
A) Cl- 
B) K+ 
C) Ca2+ 
D) Mg2+

Question 3

Excitable cells are incapable of maintaining a constant resting membrane potential.

Accepted Answer

A) True 
 B)False

Question 4

Which type of cell lines the ventricles of the brain and help produce cerebrospinal fluid?

Accepted Answer

A) microglia 
B) satellite cells 
C) ependymal cells 
D) oligodendrocytes 
A) microglia 
B) satellite cells 
C) ependymal cells 
D) oligodendrocytes

Question 5

In a myelinated axon,Na+ channels are

Accepted Answer

A) along the whole length of the axon. 
B) every 5 mm. 
C) concentrated at the nodes of Ranvier. 
D) less numerous at the nodes of Ranvier. 
A) along the whole length of the axon. 
B) every 5 mm. 
C) concentrated at the nodes of Ranvier. 
D) less numerous at the nodes of Ranvier.

Question 6

Hyperpolarization in the postsynaptic cell is caused by

Accepted Answer

A) excitatory postsynaptic potentials. 
B) inhibitory postsynaptic potentials. 
C) movement of K+ out of the cell. 
D) Inhibitory postsynaptic potentials and movement of K+ out of the cell are correct. 
A) excitatory postsynaptic potentials. 
B) inhibitory postsynaptic potentials. 
C) movement of K+ out of the cell. 
D) Inhibitory postsynaptic potentials and movement of K+ out of the cell are correct.

Question 7

What process is needed to return a membrane to its resting membrane potential with all ions in the correct locations?

Accepted Answer

A) after-hyperpolarization 
B) all-or-none-law 
C) Na+/K+ pump 
D) refractory period 
A) after-hyperpolarization 
B) all-or-none-law 
C) Na+/K+ pump 
D) refractory period

Question 8

Cells become more negative during hyperpolarization.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is NOT a structural classification of neurons?

Accepted Answer

A) motor neuron 
B) bipolar neuron 
C) multipolar neuron 
D) pseudounipolar neuron 
A) motor neuron 
B) bipolar neuron 
C) multipolar neuron 
D) pseudounipolar neuron

Question 10

Catecholamines activate postsynaptic cells by

Accepted Answer

A) inhibition of adenylate cyclase. 
B) increased Ca2+ influx into the target cell. 
C) inhibition of calmodulin. 
D) increased production of cyclic AMP. 
A) inhibition of adenylate cyclase. 
B) increased Ca2+ influx into the target cell. 
C) inhibition of calmodulin. 
D) increased production of cyclic AMP.

Question 11

The greater the number of depolarization regions on an axon,the faster the action potential will be conducted.

Accepted Answer

A) True 
 B)False

Question 12

Schwann cells and oligodendrocytes have similar functions.

Accepted Answer

A) True 
 B)False

Question 13

As the intensity of a stimulus increases,more axons will become activated.This process is called

Accepted Answer

A) threshold. 
B) refraction. 
C) recruitment. 
D) None apply. 
A) threshold. 
B) refraction. 
C) recruitment. 
D) None apply.

Question 14

Glial cells normally lose their mitotic ability prior to birth.

Accepted Answer

A) True 
 B)False

Question 15

The mechanism that allows many Na+ ions to move into the axon is

Accepted Answer

A) negative feedback. 
B) positive feedback. 
C) equilibrium feedback. 
D) None of the choices are correct. 
A) negative feedback. 
B) positive feedback. 
C) equilibrium feedback. 
D) None of the choices are correct.

Question 16

ATP and adenosine can be released by nonneural cells to aid in blood clotting,taste,and pain.

Accepted Answer

A) True 
 B)False

Question 17

Both depolarization and repolarization are produced by the diffusion of ions down their concentation gradient.

Accepted Answer

A) True 
 B)False

Question 18

Neurotransmitter release can be inhibited by damaging the SNARE complex.

Accepted Answer

A) True 
 B)False

Question 19

Anterograde transport uses dynein molecular motor proteins.

Accepted Answer

A) True 
 B)False

Question 20

What amino acid are dopamine,norepinephrine,and epinephrine derived from?

Accepted Answer

A) histidine 
B) tyrosine 
C) tryptophan 
D) serine 
A) histidine 
B) tyrosine 
C) tryptophan 
D) serine

Which of the following is NOT a functional classification of neurons?

Both long-term potentiation and long-term depression requires release of ___ from the postsynaptic neuron membrane.

Excitable cells are incapable of maintaining a constant resting membrane potential.

Which type of cell lines the ventricles of the brain and help produce cerebrospinal fluid?

In a myelinated axon,Na⁺ channels are

Hyperpolarization in the postsynaptic cell is caused by

What process is needed to return a membrane to its resting membrane potential with all ions in the correct locations?

Cells become more negative during hyperpolarization.

Which of the following is NOT a structural classification of neurons?

Catecholamines activate postsynaptic cells by

The greater the number of depolarization regions on an axon,the faster the action potential will be conducted.

Schwann cells and oligodendrocytes have similar functions.

As the intensity of a stimulus increases,more axons will become activated.This process is called

Glial cells normally lose their mitotic ability prior to birth.

The mechanism that allows many Na⁺ ions to move into the axon is

ATP and adenosine can be released by nonneural cells to aid in blood clotting,taste,and pain.

Both depolarization and repolarization are produced by the diffusion of ions down their concentation gradient.

Neurotransmitter release can be inhibited by damaging the SNARE complex.

Anterograde transport uses dynein molecular motor proteins.

What amino acid are dopamine,norepinephrine,and epinephrine derived from?

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,heart and Circulation

Cardiac Output, blood Flow, and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

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Exam 7: The Nervous System: Neurons and Synapses

Which of the following is NOT a functional classification of neurons?

Both long-term potentiation and long-term depression requires release of ___ from the postsynaptic neuron membrane.

Excitable cells are incapable of maintaining a constant resting membrane potential.

Which type of cell lines the ventricles of the brain and help produce cerebrospinal fluid?

In a myelinated axon,Na+ channels are

Hyperpolarization in the postsynaptic cell is caused by

What process is needed to return a membrane to its resting membrane potential with all ions in the correct locations?

Cells become more negative during hyperpolarization.

Which of the following is NOT a structural classification of neurons?

Catecholamines activate postsynaptic cells by

The greater the number of depolarization regions on an axon,the faster the action potential will be conducted.

Schwann cells and oligodendrocytes have similar functions.

As the intensity of a stimulus increases,more axons will become activated.This process is called

Glial cells normally lose their mitotic ability prior to birth.

The mechanism that allows many Na+ ions to move into the axon is

ATP and adenosine can be released by nonneural cells to aid in blood clotting,taste,and pain.

Both depolarization and repolarization are produced by the diffusion of ions down their concentation gradient.

Neurotransmitter release can be inhibited by damaging the SNARE complex.

Anterograde transport uses dynein molecular motor proteins.

What amino acid are dopamine,norepinephrine,and epinephrine derived from?

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,heart and Circulation

Cardiac Output, blood Flow, and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

In a myelinated axon,Na⁺ channels are

The mechanism that allows many Na⁺ ions to move into the axon is