What substance is released by platelets to aid in the vascular spasm?

A. Histamine
B. Heparin
C. Thrombin
D. Serotonin


Answer: D

Anatomy & Physiology

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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

Anatomy & Physiology

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

Anatomy & Physiology

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

Anatomy & Physiology

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

Anatomy & Physiology