
Neuroglia and Nerve Conduction Concepts

Interactive Video
•
Biology, Science, Other
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the myelin sheath?
To generate action potentials
To connect neurons to muscles
To nourish neurons
To insulate axons and increase impulse speed
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which cells are responsible for producing myelin sheaths in the central nervous system?
Microglia
Astrocytes
Oligodendrocytes
Schwann cells
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of neuroglia in the nervous system?
To transmit nerve impulses
To connect neurons to blood vessels
To generate action potentials
To support and protect neurons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between continuous and saltatory conduction?
Saltatory conduction does not involve myelination
Continuous conduction occurs only in the central nervous system
Saltatory conduction involves jumping between nodes
Continuous conduction is faster than saltatory conduction
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In saltatory conduction, what role do the nodes of Ranvier play?
They slow down the nerve impulse
They are the sites where action potentials are generated
They connect neurons to muscles
They produce neurotransmitters
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of conduction is characterized by the impulse appearing to leap from node to node?
Synaptic conduction
Axonal conduction
Saltatory conduction
Continuous conduction
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of myelination on nerve impulse conduction speed?
It only affects the speed in the peripheral nervous system
It increases the speed
It has no effect on the speed
It decreases the speed
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