Which organelles are the sites of protein synthesis?
A. Ribosomes
B. Lysosomes
C. Centrioles
D. Nucleus
E. Mitochondria
Answer: A
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Lateral plate mesoderm gives rise to most of the components of the cardiovascular system
Indicate whether this statement is true or false.
Histamine increases blood flow and vascular permeability. This would account for all of the following changes that occur during inflammation except
A) redness of the inflamed tissue. B) chemotaxis of phagocytes. C) heat of the inflamed tissue. D) movement of defense proteins and cells into the interstitial space. E) swelling of the inflamed tissue.
What is the process of drawing leukocytes to the site of an infection?
A. Chemotaxis B. Diapedesis C. Opsonization D. Extravasation
Which of the following would be most likely to increase GFR?
A. sympathetic stimulation of afferent arteriolar smooth muscle B. constricting efferent arterioles C. a decrease in plasma volume D. an increase in the concentration of plasma proteins