Download Nervous System Review CNS PNS Terms to know Neurons Action

Nervous System Review
CNS
PNS
Terms to know
Neurons
Action potential
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What does CNS stand for?
What two structures make
up the CNS?
What are the three
functions of the
nervous system?
Any change in the internal or external
environment is considered a?
A. Evolution
B. Stimulus
C. Action potential
The response dictated by the CNS activates
____________?
A. Nissle bodies
B. The nucleus
C. A muscle or gland
D. The brain
PNS stands for?
The neurons of the PNS are
located___________?
A. Outside the spine and cranial cavities
B. Inside the spine and cranial cavities
C. In you neck only
The two sub-divisions of the PNS are _______
& _______?
A. Dendrite and axon
B. Axon and axon terminal
C. Somatic and autonomic
D. Sensory and motor
The somatic sub-division of the
motor division is responsible for what
type of control?
A. Voluntary
B. Involuntary
The sub-division of the PNS that carries
impulses toward the CNS is called?
A. Motor(efferent) division
B. Sensory (afferent) division
C. PNS
Neuron carrying impulses toward the CNS is
called?
A. Efferent
B. Afferent
C. Interneuron
Neuroglia are cells of the CNS that are grouped together
and are also known as
A. Nerves
B. Support Cells
C. Schwann cells
D. Myelin sheath
The two main functions of the neuron is ?
A. Irritability and integration
B. Irritability and conductivity
C. Irritability and translation
A neuron is also known as a
A. Translator
B. Transcriber
C. Nerve
D. Neuroglia
The gap between neurons is known as the ?
A. River
B. Synapse
C. Space
D. Gray Matter
• Label the diagram being
sure to include
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Dendrite
Cell body
Axon
Axon terminal
Node of ranvier
Myelin sheath
Schwann cell
The ______________ carries messages
Toward the cell body?
A. Cell Body
B. Dendrite
C. Axon
D. Axon Terminal
The _______________ releases
neurotransmitters in order to transfer the
impulse to an adjacent neuron
A. Cell Body
B. Dendrite
C. Axon
D. Axon terminal
The impulse is conducted along the __________
away from cell body, towards axon terminals
A. Cell Body
B. Dendrite
C. Axon
D. Axon Terminal
A neuron with a cell body that has many
extensions is called a
A. Unipolar
B. Multipolar
C. bipolar
A neuron with fewer positive charges inside the
cell then outside is said to be a
A. Depolarized
B. Resting membrane
C. Repolarization
A cell is _____________ when Na⁺ rushes
inside changing the inner charge from negative
to positive
A. Depolarization
B. Resting membrane
C. Repolarization
Neurons are _________________
A. Mitotic
B. Meiotic
C. Amitotic
The normal ionic conditions (↑Na⁺ outside,
↑K⁺ inside) are restored once the action
potential passes by the ?
A. Sodium channels
B. Potassium channels
C. Sodium potassium exchange pump
Describe the process of an action potential using
the following terms:
Na⁺
Sodium channel
K⁺
Potassium channel
Sodium potassium exchange pump
Resting membrane
Depolarization
Repolarization