During an isometric twitch in a skeletal muscle:
A. tension generated by the muscle always exceeds the load on the muscle.
B. tetanus occurs.
C. sarcomeres do not significantly shorten.
D. the whole muscle shortens.
E. H zones shorten.
C
You might also like to view...
The membrane of a cell is composed of a ________ bilayer.
Fill in the blank(s) with the appropriate word(s).
One of the main reasons obesity is associated with hypertension is that
A. increased high-density lipoproteins increases blood viscosity. B. decreased sympathetic tone increases cardiac output and peripheral resistance. C. increased blood volume changes the thickness of vein walls. D. increased total vessel length increases peripheral resistance.
__________ is the metabolic pathway that synthesizes glycogen
A) Gluconeogenesis B) Glycogenesis C) Glycogenolysis D) Glycolysis Fill in the blank with the correct word.
Pepsinogen is an
A. active enzyme that digests proteins within the small intestine. B. inactive precursor to a nonspecific enzyme that is synthesized in the pancreas and released in the small intestine. C. inactive precursor to the enzyme pepsin that digests proteins in the stomach. D. active enzyme that is released in the small intestine and digests carbohydrates.