Which sequence is correct for the following events?
1. fibrinogen ? fibrin
2. clot retraction
3. formation of thromboplastin
4. prothrombin ? thrombin
A) 3, 4, 1, 2
B) 1, 2, 3, 4
C) 4, 3, 1, 2
D) 3, 2, 1, 4
A) 3, 4, 1, 2
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The capillaries of the glomerulus differ from most other capillary networks in the body because they
A. carry only deoxygenated blood. B. drain into an arteriole instead of a venule. C. contain no endothelium. D. absorb nutrients from the glomerular capsule. E. secrete mucus.
The fuel molecule all cells in the body can use is
A) vitamins. B) protein. C) sucrose. D) glucose. E) starch.
In the condition called ________, interstitial fluids accumulate in a region in which drainage has been blocked.
A) lymphadenopathy B) systemic lupus erythematosus C) lymphoma D) mononucleosis E) lymphedema
Metabolic rate is the total amount of
A. glucose absorbed by the small intestine each hour. B. carbon dioxide exhaled per unit of time. C. kilocalories consumed. D. energy produced and used by the body per unit of time. E. heat produced by body cells in an hour.