Which of the following may be recommended for treating gangrene

A. debridement of the wound
B. hyperbaric chamber
C. amputation
D. rigorous cleansing of deep wounds
E. All of the choices are correct


Answer: E. All of the choices are correct

Biology & Microbiology

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Nondisjunction is when sister chromatids fail to separate during anaphase of cell division

A. true B. false

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Which of the following comparisons of the cellular features of complex charophycean algae and land plants is NOT true?

A. Land plants inherited phragmoplasts from complex charophyceans. B. Land plants inherited plasmodesmata from complex charophyceans. C. Land plants inherited xyloglucans from complex charophyceans. D. Land plants inherited the ability to make cellulose from complex charophyceans. E. Land plants inherited CesA genes from complex charophyceans.

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Most likely, about 10 percent of all species go extinct every million years

Indicate whether the statement is true or false.

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During a brain surgery, a surgeon passes an instrument through the dura mater. Which one of the following does the surgeon pass through next?

A) bones of the skull B) vertebrae C) cerebrospinal fluid D) pia mater E) arachnoid

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