Question 1

Which of the following cells are important for the removal of nerve cell debris?

Accepted Answer

A)  Schwann cells 
B)  phagocytes 
C)  dendrocytes 
D)  microglia 
E)  nanotubules 
A)  Schwann cells 
B)  phagocytes 
C)  dendrocytes 
D)  microglia 
E)  nanotubules

Question 2

Neuromodulators

Accepted Answer

A)  are rarely of a peptide form. 
B)  are secreted from a neuron and only affect an adjacent neuron. 
C)  are inevitably inhibitory. 
D)  are secreted from neurons, but dispersed widely in brain. 
E)  are typically secreted in very small amounts compared to neurotransmitters. 
A)  are rarely of a peptide form. 
B)  are secreted from a neuron and only affect an adjacent neuron. 
C)  are inevitably inhibitory. 
D)  are secreted from neurons, but dispersed widely in brain. 
E)  are typically secreted in very small amounts compared to neurotransmitters.

Question 3

Which of the following represents the normal order of activation in neuronal transmission?

Accepted Answer

A)  axon -> dendrite -> cell body -> axon terminals 
B)  axon terminals -> cell body -> axon -> dendrite 
C)  dendrite -> cell body -> axon -> terminal button 
D)  cell body -> axon -> dendrite -> axon terminal 
E)  dendrite -> axon terminal -> cell body -> axon 
A)  axon -> dendrite -> cell body -> axon terminals 
B)  axon terminals -> cell body -> axon -> dendrite 
C)  dendrite -> cell body -> axon -> terminal button 
D)  cell body -> axon -> dendrite -> axon terminal 
E)  dendrite -> axon terminal -> cell body -> axon

Question 4

Which of the following ion channel events will reliably produce an IPSP regardless of the current level of the membrane potential?

Accepted Answer

A)  opening a sodium channel 
B)  losing a potassium channel 
C)  opening a potassium channel 
D)  opening a chloride channel 
E)  opening a channel to admit calcium ions into the axon 
A)  opening a sodium channel 
B)  losing a potassium channel 
C)  opening a potassium channel 
D)  opening a chloride channel 
E)  opening a channel to admit calcium ions into the axon

Question 5

The _____ neuron has dendrite-like branches and transmits sensory information to the brain.

Accepted Answer

A)  bipolar 
B)  multipolar 
C)  unipolar 
D)  apolar 
E)  tripolar 
A)  bipolar 
B)  multipolar 
C)  unipolar 
D)  apolar 
E)  tripolar

Question 6

The giant squid axon is specialized for which of the following?

Accepted Answer

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

Question 7

________ neurons gather information from the environment related to light,odors,and bodily contact with objects.

Accepted Answer

A)  Sensory 
B)  Motor 
C)  Golgi 
D)  Relay inter- 
E)  Efferent 
A)  Sensory 
B)  Motor 
C)  Golgi 
D)  Relay inter- 
E)  Efferent

Question 8

The membrane voltage level at which an action potential is triggered is termed the

Accepted Answer

A)  refractory period. 
B)  hyperpolarization event. 
C)  threshold of excitation. 
D)  rate level. 
E)  equilibrium point. 
A)  refractory period. 
B)  hyperpolarization event. 
C)  threshold of excitation. 
D)  rate level. 
E)  equilibrium point.

Question 9

Enzymes

Accepted Answer

A)  are formed from lipids. 
B)  are molecules that control chemical reactions. 
C)  control the aborption of glucose into cells.. 
D)  provide energy to the cell. 
E)  form the boundary of a nerve cell.. 
A)  are formed from lipids. 
B)  are molecules that control chemical reactions. 
C)  control the aborption of glucose into cells.. 
D)  provide energy to the cell. 
E)  form the boundary of a nerve cell..

Question 10

Movement of the axon membrane potential from -90 mV to -80 mV would be termed a(n)

Accepted Answer

A)  depolarization. 
B)  threshold potential. 
C)  action potential. 
D)  hyperpolarization. 
E)  inhibitory local potential. 
A)  depolarization. 
B)  threshold potential. 
C)  action potential. 
D)  hyperpolarization. 
E)  inhibitory local potential.

Question 11

An autoreceptor is located on the ________ and is sensitive to ________.

Accepted Answer

A)  presynaptic membrane; the transmitter released by that neuron 
B)  presynaptic membrane; a different transmitter released by another neuron 
C)  presynaptic membrane; calcium ions located in the synapse 
D)  postsynaptic membrane; calcium ions located in the synapse 
E)  presynaptic membrane; the amount of second messenger activity in the postsynaptic cell 
A)  presynaptic membrane; the transmitter released by that neuron 
B)  presynaptic membrane; a different transmitter released by another neuron 
C)  presynaptic membrane; calcium ions located in the synapse 
D)  postsynaptic membrane; calcium ions located in the synapse 
E)  presynaptic membrane; the amount of second messenger activity in the postsynaptic cell

Question 12

Discuss the general support functions of glial cells for the nervous system.

Accepted Answer

Glial cells: provide physical or structu

Question 13

The presence of a barrier between the blood stream and the brain is suggested by the observation that

Accepted Answer

A)  all cells of the body are stained by a dye injected into the bloodstream. 
B)  injection of dye into the bloodstream stains all cells but those of the brain and spinal cord. 
C)  the gut is stained by a dye injected into the brain ventricles. 
D)  injection of dye into the ventricles stains all cells of the body. 
E)  most chemicals rapidly reach the brain after oral ingestion.. 
A)  all cells of the body are stained by a dye injected into the bloodstream. 
B)  injection of dye into the bloodstream stains all cells but those of the brain and spinal cord. 
C)  the gut is stained by a dye injected into the brain ventricles. 
D)  injection of dye into the ventricles stains all cells of the body. 
E)  most chemicals rapidly reach the brain after oral ingestion..

Question 14

.Contrast local potentials versus action potentials.

Accepted Answer

Local potentials are graded in

Question 15

The process by which molecules are evenly distributed throughout a medium is

Accepted Answer

A)  retrograde transport. 
B)  diffusion. 
C)  anterograde transport. 
D)  electrostatic pressure. 
E)  carrier-mediated transport. 
A)  retrograde transport. 
B)  diffusion. 
C)  anterograde transport. 
D)  electrostatic pressure. 
E)  carrier-mediated transport.

Question 16

In which portion of a neuron would you expect to find the largest number of vesicles?

Accepted Answer

A)  the dendritic spines 
B)  the soma 
C)  near the nuclear membrane 
D)  the release zone 
E)  the axon hillock 
A)  the dendritic spines 
B)  the soma 
C)  near the nuclear membrane 
D)  the release zone 
E)  the axon hillock

Question 17

A key advantage of saltatory conduction is that

Accepted Answer

A)  more sodium ions have to be pumped out of the cell after an action potential. 
B)  myelin allows the nerve cell to recycle neurotransmitter molecules. 
C)  less transmitter is required to send a message across the next synapse. 
D)  myelin speeds up the velocity at which an axon can conduct an action potential. 
E)  myelin requires that nerve cell axons be larger in order to rapidly conduct a signal. 
A)  more sodium ions have to be pumped out of the cell after an action potential. 
B)  myelin allows the nerve cell to recycle neurotransmitter molecules. 
C)  less transmitter is required to send a message across the next synapse. 
D)  myelin speeds up the velocity at which an axon can conduct an action potential. 
E)  myelin requires that nerve cell axons be larger in order to rapidly conduct a signal.

Question 18

Explain how ion channels alter the electrical properties of a nerve cell membrane.

Accepted Answer

Ions are charged particles that are uneq

Question 19

The term ________ means "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 20

Which of the following is correct regarding axoplasmic transport?

Accepted Answer

A)  Anterograde transport involves moving substances from the dendrites to the soma. 
B)  Retrograde transport involves moving substances from the soma to the axon terminals. 
C)  Vesicles are the major factor involved in retrograde transport. 
D)  Retrograde transport is half as fast as anterograde transport. 
E)  Vesicles are the major factor involved in anterograde transport. 
A)  Anterograde transport involves moving substances from the dendrites to the soma. 
B)  Retrograde transport involves moving substances from the soma to the axon terminals. 
C)  Vesicles are the major factor involved in retrograde transport. 
D)  Retrograde transport is half as fast as anterograde transport. 
E)  Vesicles are the major factor involved in anterograde transport.

Which of the following cells are important for the removal of nerve cell debris?

Neuromodulators

Which of the following represents the normal order of activation in neuronal transmission?

Which of the following ion channel events will reliably produce an IPSP regardless of the current level of the membrane potential?

The _____ neuron has dendrite-like branches and transmits sensory information to the brain.

The giant squid axon is specialized for which of the following?

________ neurons gather information from the environment related to light,odors,and bodily contact with objects.

The membrane voltage level at which an action potential is triggered is termed the

Enzymes

Movement of the axon membrane potential from -90 mV to -80 mV would be termed a(n)

An autoreceptor is located on the and is sensitive to .

Discuss the general support functions of glial cells for the nervous system.

The presence of a barrier between the blood stream and the brain is suggested by the observation that

.Contrast local potentials versus action potentials.

The process by which molecules are evenly distributed throughout a medium is

In which portion of a neuron would you expect to find the largest number of vesicles?

A key advantage of saltatory conduction is that

Explain how ion channels alter the electrical properties of a nerve cell membrane.

The term ________ means "little bladder."

Which of the following is correct regarding axoplasmic transport?

Origins of Behavioral Neuroscience

Structure of the Nervous System

Psychopharmacology

Methods and Strategies of Research

Vision

Audition, the Body Senses, and the Chemical Senses

Sleep and Biological Rhythms

Reproductive Behavior

Emotion

Ingestive Behavior

Learning and Memory

Human Communication

Neurological Disorders

Schizophrenia, Affective Disorders, and Anxiety Disorders

Autistic, Attention-Deficit/Hyperactivity, Stress, and Substance Abuse Disorders

Filters

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

Which of the following cells are important for the removal of nerve cell debris?

Neuromodulators

Which of the following represents the normal order of activation in neuronal transmission?

Which of the following ion channel events will reliably produce an IPSP regardless of the current level of the membrane potential?

The _____ neuron has dendrite-like branches and transmits sensory information to the brain.

The giant squid axon is specialized for which of the following?

________ neurons gather information from the environment related to light,odors,and bodily contact with objects.

The membrane voltage level at which an action potential is triggered is termed the

Enzymes

Movement of the axon membrane potential from -90 mV to -80 mV would be termed a(n)

An autoreceptor is located on the ________ and is sensitive to ________.

Discuss the general support functions of glial cells for the nervous system.

The presence of a barrier between the blood stream and the brain is suggested by the observation that

.Contrast local potentials versus action potentials.

The process by which molecules are evenly distributed throughout a medium is

In which portion of a neuron would you expect to find the largest number of vesicles?

A key advantage of saltatory conduction is that

Explain how ion channels alter the electrical properties of a nerve cell membrane.

The term ________ means "little bladder."

Which of the following is correct regarding axoplasmic transport?

Origins of Behavioral Neuroscience

Structure of the Nervous System

Psychopharmacology

Methods and Strategies of Research

Vision

Audition, the Body Senses, and the Chemical Senses

Sleep and Biological Rhythms

Reproductive Behavior

Emotion

Ingestive Behavior

Learning and Memory

Human Communication

Neurological Disorders

Schizophrenia, Affective Disorders, and Anxiety Disorders

Autistic, Attention-Deficit/Hyperactivity, Stress, and Substance Abuse Disorders

Filters

An autoreceptor is located on the and is sensitive to .