Which of the following is not a normal portal of exit of an infectious disease?
A. Skin
B. Coughing and sneezing
C. Urogenital tract and feces
D. Removal of blood
E. All of these are normal exit portals.
Answer: E
Biology & Microbiology
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Fill in the blank(s) with the appropriate word(s).
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Oversecretion of growth hormone in childhood results in
a. pituitary gigantism. b. acromegaly. c. pituitary dwarfism. d. diabetes insipidus. e. cretinism.
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Ever since the antibiotic drug penicillin was discovered in 1928, the incidence of resistant bacteria has steadily increased as a direct result of
(a). biodiversity. (b). natural selection. (c). homeostasis. (d). development. (e). reproduction.
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Binomial nomenclature is Linnaeys' method of naming species
a. true b. false
Biology & Microbiology