A person with feces on their hands handles food and transmits it to another person through ingestion of the contaminated food. This is referred to as _____-_______ route
Fill in the blank(s) with the appropriate word(s).
fecal-oral
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Control measures for hepatitis B include
A. excluding contact with contaminated materials. B. vaccination of high-risk groups. C. passive immunotherapy within 7 days of exposure. D. All of the choices are correct.
In amphibians, the gray crescent appears
a. after the egg matures. b. after fertilization. c. during blastula formation. d. following gastrulation. e. as a result of tissue specialization
Which of the following is not a type of temperate grassland?
A) veld B) pampas C) prairie D) chaparral
Match the microscopy vocabulary word with it's definition.
Field of view A) Focus is maintained when the magnification is changed B) Ability to distinguish two objects as separate C) Area observed through the ocular lens D) Distance between the specimen and the objective lens