The structural framework of a blood clot is formed by ________
A) a thrombin polymer
B) soluble fibrin
C) a fibrinogen polymer
D) soluble fibrinogen
E) a fibrin polymer
E
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In general, as an artery's diameter decreases, there is a(n)
A. increase in both smooth muscle and elastic fibers. B. decrease in the amount of smooth muscle and an increase in the number of elastic fibers. C. decrease in both smooth muscle and elastic fibers. D. increase in the amount of smooth muscle and a decrease in the number of elastic fibers.
Which of the following brain structures consists of the medulla oblongata, pons and midbrain?
a) Brain stem b) Cerebrum c) Cerebellum d) Diencephalon e) Dura mater
In the PNS the neuron cell bodies are found in clusters called ________.
Fill in the blank(s) with the appropriate word(s).
Curve B below represents the oxygen-hemoglobin dissociation curve for normal body temperature, arterial hydrogen ion concentration, and DPG concentration
A. Curve A may represent the dissociation at higher than normal arterial H+ concentration. B. Curve C may represent the dissociation at lower than normal body temperature. C. Curve A may represent the dissociation at very low 2,3 diphosphoglycerate levels. D. Curve C may represent the dissociation at lower than normal arterial H+ concentration. E. Curve A may represent the dissociation at higher than normal body temperature.