Chagas' disease is transmitted by a bug with mouthparts that penetrate blood vessels. Which type of exposure does this represent?

A) mucous membrane portal
B) parenteral route
C) skin portal
D) contact
E) fomite


B
Bloom's Taxonomy: Comprehension
Section: The Invasion and Establishment of Microbes in Hosts: Infection
Learning Outcome: 14.7

Biology & Microbiology

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reproduction by water fleas is controlled by

a. epistasis. b. pleiotropy. c. incomplete dominance. d. codominant inheritance. e. environmental effects

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What are the cancer causing genes called?

A. oncogenes.
B. proto-oncogenes.
C. tumor suppressor genes.
D. viral genes.

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Wetlands ________

A) are important in improving water quality B) include rivers, streams, ponds, and lakes C) are bodies of swiftly flowing water D) are found in the intertidal zone

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In the primary response to an antigen, the first class of antibody to be secreted is

A. IgG. B. IgE. C. IgA. D. IgM. E. IgD.

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