Because lipids are not water soluble, they require _____ to facilitate their circulation in the body
a. phospholipids
b. sodium
c. bile acids
d. cholesterol esters
a
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? Case Study:Rebecca, an infant born at 32 weeks, weighs 1200 g (2.6 lb) and is identified as small for gestational age (SGA). Her head circumference is 30 cm (< 5th percentile). Her mother is not interested in breastfeeding. A dietitian evaluates Rebecca and establishes appropriate growth and development goals for weight, length, head circumference, and body fat stores. A high-calorie formula is also initiated. Following discharge from the hospital, Rebecca shows signs of fatigue during feeding. The dietitian then recommends a higher calorie formula. How many calories/ounce would the new formula most likely contain?
A. 24 B. 30 C. 35 D. 40 E. 45
Pregnant women and young children should avoid consuming tilefish, swordfish, king mackerel, marlin, or shark because they are sources of ________, an environmental contaminant
a. cadmium b. mercury c. chromium d. DEET e. PCBs
Alfred is an African-American long-distance runner whose BMI classifies him as obese. Why might this be?
a. Blacks have a higher average height than whites. b. Blacks have denser bones and higher body protein concentrations than whites. c. Blacks tend to have different proportions of brown and white adipose tissue than whites. d. The fat pads in blacks are situated primarily around the hips, whereas in whites the pads are primarily abdominal. e. Blacks have both lower average height and higher average weight than whites.
Which of the following accurately describes the term hypothesis?
A. An educated guess by a scientist to explain a phenomenon B. An explanation for a phenomenon that has numerous lines of evidence to support it C. A study of how disease rates vary among different population groups D. A test made to examine the validity of an educated guess