Which chemical, formed from arachidonic acid, inhibits platelet plug formation?
A) prostacyclin
B) thromboxane A2
C) arachidonic acid
D) thrombin
E) fibrin
Ans: A) prostacyclin
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The best way to delay skeletal aging is to
A) diet. B) take hormone supplements. C) exercise. D) have cosmetic surgery. E) None of the answers are correct.
Into which layer of the skin do you think tattoo ink is injected? Explain why
What will be an ideal response?
What forms the respiratory membrane (air-blood barrier)?
A) respiratory bronchioles and alveoli B) terminal bronchioles and respiratory bronchioles C) systemic capillaries and cells of the body D) the visceral and parietal pleura E) the fused basement membranes of alveolar and pulmonary capillary walls
Both Na+ and Cl- freely filter from the glomerular capillaries into Bowman's space, with no secretion along the renal tubule
Indicate whether the statement is true or false.