A respiratory secretion sample typically has a pH of ____.?
A) ?3 or lower
B) ?4
C) ?5
D) ?6 or higher
D
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When a person is at rest, carbohydrate supplies approximately ________ percent of the body's energy needs.
A. 70 B. 60 C. 40 D. 85
A friend informs you that she is planning to purchase a water softener. Which statement is most appropriate for you to make to your friend? a. Hard water makes more bubbles with less soap than soft water and is more desirable. b. Soft water leaves a ring in the tub and a gray residue in the wash, which are undesirable. c. Soft water appears to aggravate hypertension, which is undesirable
d. Soft water has higher concentrations of calcium and magnesium than hard water, which is desirable. e. There is no difference in mineral content of soft and hard waters.
While preparing dough to make tender pastry, you should
A. add acid to the dough. B. flatten large pieces of cold fat. C. keep the fat cold in large pea-sized pieces. D. use warm water.
Hypertension affects approximately what percentage of adult Americans?
A) 75% B) 10% C) 60% D) 33%