One of the functions of blood is to regulate fluid levels in the body. If too much fluid escapes from the bloodstream and enters the tissues, blood pressure will
A. decrease.
B. increase.
Answer: A
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The smallest functional unit in the human body from a physiologic perspective is the:
a. nucleus b. atom c. cell d. tissue
The regulation of smooth muscle contraction is mediated by the phosphorylation of ____ in response to calcium binding to ____
a. myosin, calmodulin. b. actin, calmodulin. c. troponin, calmodulin. d. myosin, troponin. e. actin, troponin.
What is the term used to describe the muscle action that pulls toward the midline?
A. Trapezius B. Superficialis C. Abductor D. Adductor
Muscle contractions that produce a shortening muscle with a constant contraction strength at a given load are termed ________.
A. isometric contractions B. treppe contractions C. twitch contractions D. isotonic contractions