Which muscle is the agonist for sitting up?
A) rectus abdominis B) transversus abdominis
C) linea alba D) external oblique
Answer: A
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Water balance and electrolyte balance are interdependent because
A) water and electrolytes are both in an ionic state in the blood. B) water dissolves in electrolytes. C) both form ions in blood. D) electrolytes are dissolved in water.
The cardiac muscle
a. extracts oxygen and nutrients from the blood within its chambers b. receives its blood supply primarily during ventricular systole when blood is forced into coronary arteries c. receives its blood supply directly from the pulmonary circulation as all of this blood passes through the coronary circulation d. receives most of its blood supply during ventricular diastole by means of coronary arteries e. does not receive blood in any of the ways mentioned above
The kidneys play a major role in the regulation of which of the following? select all that apply.
a) electrolytes b) cholesterol levels c) acid-base balance d) body temperature
This tough, strong, connective tissue is found directly beneath the epithelial tissue of the skin. It is packed with collagen fibers that run in all different directions
A) dense irregular B) dense elastic tissue C) dense regular D) bone (osseous tissue)