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WorksheetsNervous System Overview and Transmission of Impulses
Total questions: 10
Worksheet time: 20mins
The two divisions of the nervous system are the _____ nervous system and the peripheral nervous system.
automatic
controlled
sensory
central
Nerves that transmit impulses from the CNS out to the muscles and glands are called _____.
afferent
sensory
efferent
inferrent
Neuroglia, specialized cells that perform support functions, are also known as _____.
dendrites
glial cells
neurilemma
myelin sheaths
Which of the following is not a type of glial cell?
astrocytes
Schwann cells
oligodendrocytes
sympathetic cells
Axon fibers are insulated by a _____, which increase the rate of neural impulse transmission.
myelin sheath
dendrite
neuroglia
cell body
Which of the following terms means the charge inside a membrane is more positive?
depolarized
conducted
polarized
irritated
The electrical charge in a neuron is known as a nerve impulse, or _____.
all-or-none potential
refractory period
saltatory conduction
action potential
_____ conduction results in significantly faster impulse transmission.
Polarized
Refractory
Saltatory
Depolarized
Communication between neurons occurs at the _____.
synapse
dendrites
action potential
impulse
_____ are simple, rapid, involuntary, programmed responses to stimuli.
Transmissions
Reflexes
Impulses
Conductions
