Vascular spasms last
A. a few milliseconds when tissue damage is moderate.
B. almost a full minute when tissue damage is extensive.
C. several minutes when tissue damage is extensive.
D. several hours when tissue damage is moderate.
C
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True or False? The final products of the two meiotic divisions are four haploid daughter cells from an original diploid cell.
Answer the following statement true (T) or false (F)
Adjacent cardiac muscle cells are joined together end-to-end in the ventricles by
a. intercalated discs b. sarcomeres c. Purkinje fibers d. sinoatrial nodes e. atrioventricular nodes
The upper limb and its girdle are attached rather loosely to the rest of the body. This arrangement
A. results in a disjointed appearance. B. results in a limited range of motion. C. allows a wide range of movements. D. restricts the amount of weight the upper limb can support. E. limits fine coordination of the hands.
When blood calcium levels are low
A. ostoclast activity increases. B. calcitonin secretion increases. C. osteoblast activity increases. D. calcium absorption is reduced. E. bones produce more bone tissue.