A primary effector cell of the type I hypersensitivity response is
a. monocytes.
b. mast cells.
c. neutrophils.
d. cytotoxic cells.
Ans: b. mast cells.
Biology & Microbiology
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In meiosis, sister chromatids ____
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When bacteria invade the kidney, the result can be
A) cystitis. B) ectopic. C) prostatitis. D) pyelonephritis. E) bacteriosis.
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Which of the following is NOT a communicable disease?
A) malaria B) AIDS C) tuberculosis D) tetanus E) typhoid fever
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Which of the following viruses is responsible for erythema infectiosum?
A. adenoviruses B. human herpesvirus 1 C. varicella D. human herpesvirus 4 E. B19 virus
Biology & Microbiology