The force of contraction of skeletal muscle can be increased by:
A) Activation of additional skeletal muscle fibers within a motor unit.
B) Increase in the frequency of action potentials within a skeletal muscle fiber.
C) Increase in β-adrenergic stimulation of the skeletal muscle.
D) Increase in myosin light chain phosphorylation in the skeletal muscle.
E) Increase in Ca++ extrusion from the skeletal muscle fiber.
Correct Answer:
Verified
Q1: Stretching a skeletal muscle beyond rest length
Q2: Relaxation of skeletal muscle after contraction requires:
A)Ca++
Q3: The speed of contraction of skeletal muscle
Q4: Malignant hyperthermia is a hereditary disorder that
Q5: The ability to develop increasing levels of
Q6: Endurance training typically increases:
A)Ca++ influx into the
Q8: In the absence of extracellular Ca++,an action
Q9: During intense exercise,fatigue of skeletal muscle occurs
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