There are 14 thoracic vertebrae.?
a. True
b. False
Indicate whether the statement is true or false
Answer: b. False
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Which statement below best describes the term cardiac preload?
A. The pressure the ventricles stretch at the end of systole. B. The amount the ventricles stretch at the end of diastole. C. The pressure the ventricles must work against to pump blood out of the heart. D. The strength of the myocardial cells to shorten with each beat.
Sympathetic stimulation causes
A. granular cells to release renin, which ultimately leads to mesangial cell relaxation. B. mesangial cells to release angiotensin, which ultimately leads to granular cell contraction. C. granular cells to release renin, which ultimately leads to mesangial cell contraction. D. mesangial cells to release angiotensin, which ultimately leads to granular cell relaxation. E. inhibited release of erythropoietin and contraction of granular and mesangial cells.
Which major region of the central nervous system contains the respiratory centers?
A. Brainstem B. spinal cord C. Diencephalon D. Cerebellum E. Cerebrum
What process provides most of a muscle's ATP?
A. Cellular respiration B. Lactic acid fermentation C. Alcoholic fermentation D. Creatine phosphate breakdown