What is the main energy source or fuel for skeletal muscle contraction?
a. Potassium
b. Lactic acid
c. Adenosine triphosphate (ATP)
d. Actin
ANS: C
Skeletal muscle requires a constant supply of ATP and phosphocreatine. These substances are necessary to fuel the complex processes of muscle contraction. Neither potassium, lactic acid, nor actin is the main energy source for muscle contraction.
Health Professions
You might also like to view...
Sexual contact with a disabled person or a child is considered abuse as the victim is not capable of consenting to the act
Indicate whether the statement is true or false
Health Professions
_______________ cells are undifferentiated cells in the bone marrow from which all blood cells develop
Fill in the blank(s) with correct word
Health Professions