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WorksheetsPhysiology
Total questions: 15
Worksheet time: 8mins
The peripheral nervous system consists of the brain and spinal cord.
TRUE
FALSE
Somatic motor neurons also innervate glandular tissue (glands).
TRUE
FALSE
Which is true about the sodium-potassium pump?
It pumps 3 K+ in and
It pumps 2 K+ in and 3 Na+ out
It pumps 4 K+ in and 2 Na+ out
It pumps 3 Na+ in and 2 K+ out
What is the function of the vestibular apparatus?
Maintains general equilibrium
Controls head and eye movement
Senses changes in linear and angular acceleration
All of the above
The cerebellum has connections to the motor cortex, brain stem, and spinal cord.
TRUE
FALSE
What happens during repolarization?
Pottasium leaves the cell rapidly
Sodium leaves the cell rapidly
Sodium channels close
None of the above
The opening of Ca2+ channels in the axons results in what?
A depolarization of the neuron
Another action potential, just in case the first one didn't cause a contraction.
The release of AcH from the synaptic vesicles.
None of the above
The autonomic nervous system is responsible for maintaining the constancy of the body's internal environment.
TRUE
FALSE
Sends information back to the CNS about the metabolic rate of muscular activity.
Muscle chemoreceptors
Proprioceptors
Reflexes
Neurotransmitters
The sarcoplasmic reticulum is the storage site for _______.
Sodium (Na+)
ATP
Calcium (Ca2+)
All of the above
Which band represents actin?
A
M
Z
I
_________ is the neurotransmitter that stimulates the muscle to depolarize.
Epinephrine
Acytocholine
Dopamine
Norepinephrine
What happens during reciprocal inhibition?
Only inhibitory events occur
Excitatory events occur followed by inhibitory
Only excitatory events occur
Excitatory and inhibitory activities occur simultaneously
The ____________ system causes an increase in glucose uptake for energy utilization.
Somatic
Sympathetic
Parasympathetic
The gaps between Schwann cells are called nodes of Ranvier.
TRUE
FALSE
