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WorksheetsModule 9: Neurons and Neural Communication
Total questions: 16
Worksheet time: 3mins
What is Structure A?
Dendrites
Axon Terminal
Axon
Soma/Cell Body
When a neuron is at REST, the majority of NEGATIVE IONS are
outside of the axon.
inside of the axon.
no where near the axon.
A/an _____________________ is CHEMICAL MESSAGE released by the terminal branches.
action potential
neurotransmitter
myelin sheath
synapse
During DEPOLARIZATION,
positive ions flood the axon.
negative ions flood the axon.
the neuron splits in half.
the neuron dies.
The _____________________ is a brief ELECTRICAL CHARGE that moves down the axon.
action potential
neurotransmitter
myelin sheath
synapse
When a neuron enters a _____________________ period, it cannot immediately fire another action potential.
refractory
depolarization
polarization
reuptake
What is Structure F?
Dendrites
Axon Terminal
Axon
Myelin Sheath
After being released, some of the neurotransmitters are REABSORBED by the presynaptic neuron in a process called ____________________.
reuptake
depolarization
polarization
resting potential
The MYELIN SHEATH allows the action potential to travel
FASTER!!!
SLOWER!!!
to PARIS!!!
If the myelin sheath begins to deteriorate, someone may get ____________________.
multiple sclerosis
Parkinson's
Alzheimer's
a gift card
What is Structure E?
Dendrites
Axon Terminal
Axon
Myelin Sheath
What is Structure D?
Dendrites
Axon Terminal
Axon
Myelin Sheath
What is Structure B?
Dendrites
Axon Terminal
Soma/Cell Body
Myelin Sheath
The small area where two neurons do NOT touch is called the __________.
synaptic gap
reuptake
myelin sheath
depolarization
This structure RECEIVES the neurotransmitters.
Dendrites
Terminal Branches
Axon
Myelin Sheath
This structure RELEASES the neurotransmitters.
Dendrites
Terminal Branches
Axon
Myelin Sheath
