The first surgical antiseptic to be used was

A. ethanol.
B. phenol.
C. iodine.
D. None of the choices are correct.


Answer: B

Biology & Microbiology

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Which of the following can be treated post-infection with a vaccine?

a. polio b. HIV c. Ebola d. herpes

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Upon antigenic stimulation, CD8+ T cells differentiate into helper T cells

Indicate whether the statement is true or false.

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One benefit of transpiration is that it:

a. concentrates nutrients in plant leaves. b. distributes nutrients throughout the plant. c. moves water from the atmosphere to the plant. d. is responsible for warming plants. e. brings in water from the soil.

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All the banded sunfish (Enneacanthus obesus) in a pond would comprise a(n)

What will be an ideal response?

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