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WorksheetsThe Nervous System
Total questions: 20
Worksheet time: 10mins
The part of the neuron that receives messages from adjacent neurons
axon
axon terminal
dendrite
neuron
Identify #1
axon
cell body
myelin sheath
nucleus
Identify #3
axon
cell body
dendrite
myelin sheath
When the neuron is at rest the _______ will be negative.
outside
inside
middle
all of the above.
What is inside when the neuron is at rest?
NA ions
K ions
Negative Charged proteins
All of the above.
The minimum stimulus to cause an action potential to be produced is called a .
threshold
action potential
Na-K pump
All of the above.
A nerve impulse is also called _________.
action potential
threshold
Na-K pump
All of the above.
What is the threshold for NA channel to open?
- 30 mV
50 mV
- 50 mV
30 mV
_____ along the axon allow ions to pass through the myelin layer to the plasma membrane.
Na-K pump
Action potential
Threshold
Nodes
The small gap between the axon of one neuron and the dendrite of another neuron is called a ______
synapse
neurotransmitters
axon terminal
nodes
_____ actively transport sodium ions out of the cell and potassium ions into the cell.
Na ions
Negatively charged proteins
K ions
All of the above.
Neurons that carry information from the sensory receptors to the CNS:
Sensory, afferent
Sensory, efferent
Moror, afferent
Motor, efferent
Type of neuron located only in the brain and spinal cord that pass impulses from one neuron to another.
Motor Neuron
Interneuron
Sensory Neuron
What is the most common type of structural neuron?
Bipolar neuron
Multipolar neuron
Unipolar neuron
All of the above.
