Essential fat in adult females is estimated to be about ____ percent of body weight
A) 5
B) 8
C) 12
D) 15
C
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Which of the following accurately describes vitamin D from the sun?
a. Sunscreens with an SPF of 8 or higher increase vitamin D synthesis. b. Only about one-half of the world’s population relies on sunlight to maintain adequate vitamin D nutrition. c. Prolonged exposure to sunlight degrades the vitamin D precursor in skin, thus preventing vitamin D toxicity. d. For someone living in Chicago, vitamin D stores from the summer months are usually sufficient to meet the needs during the winter. e. Pigments in dark skins increase vitamin D synthesis.
What percent of body weight does a clinician need to account for when measuring weight in a client who has had a hand amputation?
a. 0.8% b. 1.8% c. 2.6% d. 3.1% e. 3.8%
Scientists conduct a study in which 100 adults with chronic diarrhea are divided into 2 groups of 50 people. One group is given a supply of yogurt that contains a certain kind of bacteria and the other group is given yogurt that is bacteria free. The study's participants and researchers do not know which group of subjects has the bacteria in the yogurt and which group does not. The scientists instruct the participants to eat the entire 8 ounces of yogurt once a day for a month and record the their bowel habits. This is an example of a(n) ________ study.
A. introspective B. double-blind C. hypothetical D. uncontrolled
Which of the following is NOT true regarding lipid structures?
a. Triglycerides are made up of two fatty acids and a phosphate group bound to one glycerol. b. Polyunsaturated fatty acids contain more than one carbon-carbon double bond. c. In an unsaturated fatty acid, a carbon-carbon double bond replaces the missing C-H bond so that each carbon still has four bonds. d. Saturated fatty acids consist of a linked chain of carbons atoms with all remaining bonds filled with hydrogen atoms.