Which of the following are compounds called purines?

1. Adenine and cytosine
2. Adenine and guanine
3. Adenine and thymine

a. 1 only
b. 2 only
c. 3 only
d. 1, 2, and 3


b. 2 only

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The most common type of burn injury suffered in the home by children is:

A) scald. B) direct fire. C) electrical. D) chemical.

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If the bicarbonate to carbonic acid ratio is 30 and the log of 30 equals 1.48), what would the pH equal?

A. pH would be 7.58 B. pH would be 7.148 C. insufficient information to calculate D. pH would be 7.48

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Long, slender probes used in surgery are called

obturators sounds applicators directors

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Explain the stages of change concept

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