In order for the excitation-contraction coupling to occur, the production of an action potential must occur within the ______ of a muscle fiber
A.
contraction
B.
sarcolemma
C.
junction
B
You might also like to view...
Answer the following statements true (T) or false (F)
1. The second greatest source of water for the body is the water produced by the catabolism of food. 2. Potassium is the most common cation in intracellular fluid. 3. With slight variation, the amount of extracellular fluid equals the amount of intracellular fluid. 4. One reason the amount of water per pound increases in the elderly is that the muscle mass decreases and body fat increases.
Which statement about the female pelvis is false?
A. The pelvis is generally less massive with smoother surfaces. B. The pubic arch (subpubic angle) is usually greater than 100 degrees. C. The pelvic outlet is larger. D. The sacrum is wider than in males. E. The greater sciatic notch is narrower than in males.
The units for measurement of glomerular filtration rate are
A. liters. B. mmHg. C. liters per minute. D. mmHg per minute.
Each upper limb is considered nine percent of the body skin surface area.
Answer the following statement true (T) or false (F)