Question 1

Water, oxygen, and ____ freely flow across a cell membrane.

Accepted Answer

A)  calcium 
B)  positively charged ions 
C)  magnesium 
D)  carbon dioxide 
A)  calcium 
B)  positively charged ions 
C)  magnesium 
D)  carbon dioxide

Question 2

Jasmine is in her physiology lab practicing labeling a neuron. When she gets to the nodes of Ranvier, she will be labeling ______.

Accepted Answer

A)  the spiny outgrowths on dendrites 
B)  the myelin sheath 
C)  the swelling at the end of the axon 
D)  the gaps in the myelin sheath along the axon 
A)  the spiny outgrowths on dendrites 
B)  the myelin sheath 
C)  the swelling at the end of the axon 
D)  the gaps in the myelin sheath along the axon

Question 3

An efferent axon carries information away from a structure.

Accepted Answer

A) True 
 B)False

Question 4

Which type of glia builds myelin sheaths around axons in the periphery of the body?

Accepted Answer

A)  Astrocytes 
B)  Schwann cells 
C)  Oligodendrocytes 
D)  Radial glia 
A)  Astrocytes 
B)  Schwann cells 
C)  Oligodendrocytes 
D)  Radial glia

Question 5

When a membrane is at rest, what attracts sodium ions to the inside of the cell?

Accepted Answer

A)  An electrical gradient 
B)  A concentration gradient 
C)  Both an electrical gradient and a concentration gradient 
D)  Neither an electrical gradient nor a concentration gradient 
A)  An electrical gradient 
B)  A concentration gradient 
C)  Both an electrical gradient and a concentration gradient 
D)  Neither an electrical gradient nor a concentration gradient

Water, oxygen, and ____ freely flow across a cell membrane.

Jasmine is in her physiology lab practicing labeling a neuron. When she gets to the nodes of Ranvier, she will be labeling ______.

An efferent axon carries information away from a structure.

Which type of glia builds myelin sheaths around axons in the periphery of the body?

When a membrane is at rest, what attracts sodium ions to the inside of the cell?

Synapses

Anatomy and Research Methods

Genetics, Evolution, Development, and Plasticity

Vision

Other Sensory Systems

Movement

Wakefulness and Sleep

Internal Regulation

Reproductive Behaviors

Emotional Behaviors

Learning, Memory, and Intelligence

Cognitive Functions

Psychological Disorders

Filters

Exam 1: Nerve Cells and Nerve Impulses

Water, oxygen, and ____ freely flow across a cell membrane.

Jasmine is in her physiology lab practicing labeling a neuron. When she gets to the nodes of Ranvier, she will be labeling ______.

An efferent axon carries information away from a structure.

Which type of glia builds myelin sheaths around axons in the periphery of the body?

When a membrane is at rest, what attracts sodium ions to the inside of the cell?

Synapses

Anatomy and Research Methods

Genetics, Evolution, Development, and Plasticity

Vision

Other Sensory Systems

Movement

Wakefulness and Sleep

Internal Regulation

Reproductive Behaviors

Emotional Behaviors

Learning, Memory, and Intelligence

Cognitive Functions

Psychological Disorders

Filters