An intravenous (IV) solution must be __________________ to a person's red blood cells to prevent injury to the cells. 

A. isotonic
B. hypertonic
C. hypotonic
D. osmotic


A. isotonic

Biology & Microbiology

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When growing plants in culture, indoleacetic acid (IAA) is used to stimulate cell enlargement. Which plant growth regulator has to be added next to stimulate cell division?

A) ethylene B) indoleacetic acid C) gibberellin D) cytokinin E) abscisic acid

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For which of the following diseases would animal models likely yield the most information?

a. alcoholism b. schizophrenia c. bipolar disorder d. Huntington disease e. nicotine addition

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Which term refers to a single vegetative body that contains both a fungus and a green alga?

a. haustorium b. arbuscule c. ectomycorrhiza d. lichen

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Which of the following skin infections is caused by a protozoan?

A) leishmaniasis B) dermatophytic infections C) otitis externa D) cutaneous candidiasis E) cutaneous anthrax

Biology & Microbiology