How does aspirin act to decrease the symptoms of inflammation?
A) it acts as an antiprostaglandin.
B) it is an antitoxoid for most microbial toxins.
C) it prevents complement activation.
D) it interferes with the action of interferons.
E) it blocks the release of histamine.
A
Bloom's Taxonomy: Comprehension
Section: The Body's Second Line of Defense
Learning Outcome: 15.18
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Inflammation of the kidneys is called
1.nephritis. 2.glomerulonephritis. 3.pyelitis. 4.pyelonephritis. 5.cystitis.
The pH of the solution in which an enzyme-controlled reaction takes place
A. is not important, since enzymes work well at a variety of pH levels. B. is important, because changing the pH changes the shape of the enzyme. C. is important, because changing the pH increases the temperature and the enzyme is denatured. D. alters the substrate and, therefore, prevents the enzyme from attaching to the substrate.
The mature male gametophyte is produced
A. in the pollen tube when the generative cell divides. B. within the pollen granule during transfer. C. within the ovule just prior to fertilization. D. in the anther. E. when the pollen makes contact with the stigma.
Which of the following is a correct statement about the events of the cell cycle?
A) Little happens during the G1 and G2 phases. B) DNA replicates during cytokinesis. C) The M phase is usually the longest phase. D) Interphase consists of the G1, S, and G2 phases.