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Nervous System Test Review
Miss Rodriquez & Mr Pitts
Motor neurons carry impulses from
the brain and spinal cord to the
A.
B.
C.
D.
Heart
Muscles and glands
Touch receptors
Bones and skin
What is represented by the number
1?
The gaps in the myelin sheath
surrounding neuron extensions are
called
A.
B.
C.
D.
Schwann cells
Motor neurons
Myelin gaps
Nodes of Ranvier
What is represented by the number
2?
What is represented by the number
3?
Impulses moving from the brain to
muscles and glands move through
•
•
•
•
Autonomic nervous system
Motor neurons
Sensory neurons
Central nervous system
What is represented by the number
4?
An action potential can be caused
by
A.
B.
C.
D.
Resting
Cutting a neuron
Electrically stimulating a neuron
Drinking water
What is represented by the number
5?
Resting potential in neurons is
restored by
•
•
•
•
The sodium-potassium pump
The calcium influx
ATP from respiration
Glucose from photosynthetic tissues in
human skin and hair
What is represented by the number
6?
Refer to the diagram. What
happens when an action potential
travels along a neuron
A.
B.
C.
D.
K+ ions are pumped into the axon
Resting potential does not change
A small part of the axon reverses polarity
Na+ ions rush out of the cell
What is represented by the number
1?
What is the function of brain area
A?
There are many more sodiums
outside a neuron than inside when
A.
B.
C.
D.
the action potential sweeps by
during the state of resting potential
a small part of the axon reverses polarity
an the neuron dies
What is the function of brain area
B?
Which of the following involves 2 or
3 neurons, is not learned, and is
not a conscious thing?
A.
B.
C.
D.
Digestive processes
Control of heart rate
Lifting weights
Reflexes
What is represented by letter A?
What is the gap between these
neurons called?
Extensions from a neuron that
receive input are
A.
B.
C.
D.
Axons
Dendrites
Motor neurons
Autonomic neurons
Neurotransmitters are released into
the synapse when
A. You are startled
B. An action potential reaches the end of
the axon
C. An action potential reaches the end of
the dendrite
D. You take morphine or other narcotic
drugs
What is the function of brain area
C?
What is represented by letter B?
Insulating axons and speeding the
impulse transmission is the job of
A.
B.
C.
D.
Nodes of Ranvier
Dendrites
Sodium-potassium pumps
Myelin sheaths
What is the function of brain area
D?
What is the function of brain area
E?
What is represented by letter C?
The brain and spinal cord are the
A.
B.
C.
D.
CNS / Central Nervous System
PNS / Peripheral Nervous System
Motor Neurons
Sensory Neurons
What is the function of brain area
F?
What is represented by letter D?
Messages from receptors are
transmitted to the CNS by
A.
B.
C.
D.
Autonomic Neurons
Somatic neurons
Motor Neurons
Sensory Neurons
What is represented by letter E?
Pathways to and from the CNS are
provided by the
A.
B.
C.
D.
Autonomic Neurons
Somatic neurons
PNS / peripheral nervous system
Sensory Neurons
What is represented by letter F?
Involuntary functions of the internal
organs are controlled by the
A.
B.
C.
D.
Autonomic nervous system
Somatic nervous system
Motor Neurons
Sensory Neurons
The sympathetic nervous system
responds to
A.
B.
C.
D.
Typical homeostatic moments
Situations involving relaxation
Situations of threat
Situations of low blood sugar