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
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Sodium hydroxide (NaOH), Zephiran–trisodium phosphate, N-acetyl-L-cysteine–NaOH (NALC-NaOH), and oxalic acid are associated with:
a. methods of cultivating Mycobacterium in vitro. b. digestion and decontamination of speci-mens for mycobacterial studies. c. identification of clinically significant Mycobacterium. d. antimicrobial susceptibility testing of mycobacterial species.
In the testcross Aa Bb × aa bb, what proportion of individuals are expected to be homozygous for both genes in the F1 generation?
A) 1/4 B) 1/2 C) 3/4 D) All are homozygotes. E) None are homozygotes.
One function of plants cells is to use light energy to make nutrients. Which structure enables plant cells to carry out this function?
A) cell wall B) nucleus C) chloroplasts D) cell membrane
In fishes, blood leaving the heart goes directly to the
A) swimming muscles. B) kidney. C) gills. D) brain.