A muscle fiber exposed to a series of stimuli of increasing frequency combines individual twitches (summation) which results in
A. a latent period.
B. complete sustained contraction.
C. muscle tone.
D. flaccid muscles.
Answer: B
You might also like to view...
The proximal convoluted tubule is lined with a
A. cuboidal epithelium with a large surface area. B. simple columnar epithelium with a slick smooth surface. C. stratified squamous epithelium with a large surface area. D. stratified squamous epithelium with a tough, durable surface. E. simple squamous endothelium that makes a slick surface.
This protein is activated by the Ca2+-calmodulin complex to phosphorylate the myosin light chain protein.
A) myosin heavy chain B) myosin light chain kinase C) myosin light chain phosphatase D) tropomyosin
Growth hormone exerts metabolic effects unrelated to growth
Indicate whether the statement is true or false
All veins transport blood toward the heart.
Answer the following statement true (T) or false (F)