The most important factor for stretching cardiac muscle is:
A. heart rate.
B. end systolic volume.
C. end diastolic volume.
D. stroke volume.
Answer: C. end diastolic volume.
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Prostate cancer is ________
A) sometimes a slow-growing cancer that may never represent a threat to the patient B) the number-one cause of death in men C) often the result of a distortion of the urethra D) most common in Asians
________ is a condition of insulin deficiency from beta cell destruction.
Fill in the blank(s) with the appropriate word(s).
The rate of secretion of parathyroid hormone increases when
A. serum Ca2+ levels decrease. B. serum levels of TSH increase. C. serum Ca2+ levels increase. D. serum levels of TSH decrease. E. serum levels of Na+ levels increase.
Which neurotransmitter is released at neuromuscular junctions?
A. Acetylcholine B. Glutamate C. Dopamine D. Serotonin