During the first 12 weeks of resistance training, strength gains are due primarily to what?
A. improved innervation of the muscle
B. increase in cross-sectional area
C. both A and B
D. none of the above
A. improved innervation of the muscle
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The function of the coronary sinus is to
A. connect the top and bottom halves of the heart. B. guide the aorta out of the heart. C. guide the inferior vena cava into the right atrium. D. take blood from the coronary circulation to the right atrium. E. shunt blood from the right atrium to the left atrium.
The primary respiratory control center that provides output to the respiratory muscles is located in the ____________________ (specific part of brain)
Fill in the blank(s) with correct word
The subcutaneous tissue can also be referred to as the ________.
A. hyperdermis B. epidermis C. hypodermis D. dermis
During the rising (depolarizing) phase of a neuronal action potential,
A. PK+ becomes much greater than PNa+. B. PNa+ becomes much greater than PK+. C. PK+ is the same as PNa+. D. Na+ efflux (flow out of the cell) occurs. E. K+ flows rapidly into the cell.