The prolonged electrical depolarization of cardiac muscle cells that occurs during contraction is due primarily to the persistent influx of what ion?
A. sodium
B. calcium
C. nitrate
D. chloride
E. potassium
B
Anatomy & Physiology
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The small intestine is so named because of its short length.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
A very highly stretched muscle will produce a contraction that is
A) fairly weak. B) much greater than average. C) slightly stronger than resting position. D) optimal. E) None of the answers are correct.
Anatomy & Physiology
What nerve innervates the diaphragm?
a. phrenic b. vagus c. intercostal d. T10 e. T8
Anatomy & Physiology
As autonomic motor neurons leave the spinal cord, they synapse with another neuron prior to synapsing with the target organ.
Answer the following statement true (T) or false (F)
Anatomy & Physiology