Question 1

In the diagram where are the Nodes of Ranvier?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E B

Question 2

Which of the following has the property of electrical excitability?

Accepted Answer

A)  muscle cells 
B)  neurons 
C)  all of these choices 
D)  none of these choices 
A)  muscle cells 
B)  neurons 
C)  all of these choices 
D)  none of these choices C

Question 3

Which of the following is not a function of the nervous system?

Accepted Answer

A)  sensory function 
B)  integrative function 
C)  motor function 
D)  both sensory function and integrative function 
E)  all are functions of the nervous system 
A)  sensory function 
B)  integrative function 
C)  motor function 
D)  both sensory function and integrative function 
E)  all are functions of the nervous system E

Question 4

What factors limit neurogenesis.

Accepted Answer

Inhibitory influences from neu

Question 5

Using the diagram, which arrow is pointing to current flow due to opening of Na+ channels?

Accepted Answer

A)  L 
B)  M 
C)  N 
D)  O 
E)  M and N 
A)  L 
B)  M 
C)  N 
D)  O 
E)  M and N

Question 6

Using the diagram, which arrow is pointing to the nodes of Ranvier?

Accepted Answer

A)  L 
B)  M 
C)  N 
D)  O 
A)  L 
B)  M 
C)  N 
D)  O

Question 7

Using the diagram, identify the sensory receptor.

Accepted Answer

A)  L 
B)  M 
C)  N 
D)  O 
E)  P 
A)  L 
B)  M 
C)  N 
D)  O 
E)  P

Question 8

Describe the difference between spatial and temporal summation in a postsynaptic neuron.

Accepted Answer

Spatial summation is summation of postsy

Question 9

In the diagram, which figure demonstrates a ligand-gated channel?

Accepted Answer

A)  O 
B)  N 
C)  M 
D)  L 
A)  O 
B)  N 
C)  M 
D)  L

Question 10

Faster communication and synchronization are two advantages of

Accepted Answer

A)  chemical synapses. 
B)  electrical synapses. 
C)  ligand-gated channels. 
D)  voltage-gated channels. 
E)  mechanically-gated channels. 
A)  chemical synapses. 
B)  electrical synapses. 
C)  ligand-gated channels. 
D)  voltage-gated channels. 
E)  mechanically-gated channels.

Question 11

Plasticity means:

Accepted Answer

A)  ability to regenerate after being damaged 
B)  sending a signal through a converging circuit 
C)  signal transmission at a synapse 
D)  ability to change based on experience 
E)  ability to stretch and recoil without damage 
A)  ability to regenerate after being damaged 
B)  sending a signal through a converging circuit 
C)  signal transmission at a synapse 
D)  ability to change based on experience 
E)  ability to stretch and recoil without damage

Question 12

Plasticity means

Accepted Answer

A)  the ability to regenerate. 
B)  sending a signal through a converging circuit. 
C)  signal transmission at a synapse. 
D)  capability to change based on experience. 
E)  the ability to stretch without damage. 
A)  the ability to regenerate. 
B)  sending a signal through a converging circuit. 
C)  signal transmission at a synapse. 
D)  capability to change based on experience. 
E)  the ability to stretch without damage.

Question 13

A depolarizing graded potential

Accepted Answer

A)  makes the membrane more polarized. 
B)  makes the membrane less polarized. 
C)  is considered a type of action potential. 
D)  is the last part of an action potential. 
E)  is seen when the cell approaches threshold. 
A)  makes the membrane more polarized. 
B)  makes the membrane less polarized. 
C)  is considered a type of action potential. 
D)  is the last part of an action potential. 
E)  is seen when the cell approaches threshold.

Question 14

A polarized cell

Accepted Answer

A)  can vary from +5 to -100 mV. 
B)  includes most cells of the body. 
C)  exhibits a membrane potential. 
D)  includes most cells of the body and exhibits a membrane potential. 
E)  all of these choices. 
A)  can vary from +5 to -100 mV. 
B)  includes most cells of the body. 
C)  exhibits a membrane potential. 
D)  includes most cells of the body and exhibits a membrane potential. 
E)  all of these choices.

Question 15

Diffusion, enzymatic degradation, and uptake by cells are all ways to

Accepted Answer

A)  remove a neurotransmitter. 
B)  stop a spatial summation. 
C)  continue a temporal summation. 
D)  inhibit a presynaptic potential. 
E)  excite a presynaptic potential. 
A)  remove a neurotransmitter. 
B)  stop a spatial summation. 
C)  continue a temporal summation. 
D)  inhibit a presynaptic potential. 
E)  excite a presynaptic potential.

Question 16

Which of the following terms describes synapses?

Accepted Answer

A)  axodendritic 
B)  axosomatic 
C)  axoaxonic 
D)  none of these choices 
E)  all of these choices 
A)  axodendritic 
B)  axosomatic 
C)  axoaxonic 
D)  none of these choices 
E)  all of these choices

Question 17

Using the diagram, which arrow is pointing to the axon hillock?

Accepted Answer

A)  L 
B)  M 
C)  N 
D)  O 
A)  L 
B)  M 
C)  N 
D)  O

Question 18

Which structure is indicated by the letter E?

Accepted Answer

A)  astrocyte 
B)  microvillus 
C)  microglial cell 
D)  neurons 
E)  oligodendrocytes 
A)  astrocyte 
B)  microvillus 
C)  microglial cell 
D)  neurons 
E)  oligodendrocytes

Question 19

In the diagram, which figure demonstrates a leak channel?

Accepted Answer

A)  O 
B)  N 
C)  M 
D)  L 
A)  O 
B)  N 
C)  M 
D)  L

Question 20

Why does a light touch feel differently than a firm touch?

Accepted Answer

The frequency of action potent

Exam 12: Introduction to the Nervous System

In the diagram where are the Nodes of Ranvier?

Which of the following has the property of electrical excitability?

Which of the following is not a function of the nervous system?

What factors limit neurogenesis.

Using the diagram, which arrow is pointing to current flow due to opening of Na+ channels?

Using the diagram, which arrow is pointing to the nodes of Ranvier?

Using the diagram, identify the sensory receptor.

Describe the difference between spatial and temporal summation in a postsynaptic neuron.

In the diagram, which figure demonstrates a ligand-gated channel?

Faster communication and synchronization are two advantages of

Plasticity means:

Plasticity means

A depolarizing graded potential

A polarized cell

Diffusion, enzymatic degradation, and uptake by cells are all ways to

Which of the following terms describes synapses?

Using the diagram, which arrow is pointing to the axon hillock?

Which structure is indicated by the letter E?

In the diagram, which figure demonstrates a leak channel?

Why does a light touch feel differently than a firm touch?

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Introduction to the Skeletal System

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

The Central Nervous System

The Peripheral Nervous System

Sensory, Motor, and Integrative Systems

The Special Senses

The Endocrine System

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

The Urinary System

The Reproductive Systems and Development

Filters

Using the diagram, which arrow is pointing to current flow due to opening of Na⁺ channels?