What substance is released by platelets to aid in the vascular spasm?
A. Histamine
B. Heparin
C. Thrombin
D. Serotonin
Answer: D
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During this phase of cell division, organelles duplicate and centrosome replication begins
a) interphase b) prophase c) metaphase d) anaphase e) telophase
For flotation to occur, which of the following must exist?
A. buoyant force must exceed weight B. buoyant force must equal or exceed weight C. weight must exceed buoyant force D. weight must equal or exceed buoyant force
When normal buffer mechanisms are overwhelmed by excessive numbers of H+, which of the following will result?
A. Neither of these B. Alkalosis C. Acidosis
How do the kidneys compensate respiratory acidosis?
A. By secreting more hydrogen ions B. By reabsorbing more ammonia C. By secreting more sodium ions D. By secreting more bicarbonate ions E. By reabsorbing more hydrogen ions