Lucy and Marcy are sorority sisters whose heights, weights, and ages are almost exactly the same. Lucy is studying engineering and walks several times a week for exercise. Marcy is an exercise physiology major who aspires to be a professional tennis player, and runs marathons as a hobby. How would you expect their healthful diets to differ?
a. Lucy needs more calories and less carbohydrates than
Marcy.
b. Lucy needs fewer calories and more proteins than Marcy.
c. Marcy needs more calories and more carbohydrates than Lucy.
d. Marcy needs less carbohydrates and more proteins than Lucy.
e. Since Lucy and Marcy are nearly the same heights, weights, and ages, their nutritional needs are nearly the same.
c
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a. Stimulation of the let-down reflex b. Protection from infections in the infant c. Stimulation of salivary amylase in the infant d. Enhanced bioavailability of DHA and arachidonic acid e. Increase the permeability of intestinal mucous
?Which compound cannot be synthesized in the body in amounts sufficient to meet physiological needs?
a. lecithin
b. cholesterol
c. linoleic acid
d. glycogen
e. ketones
Approximately how much water (pounds) is found in a 134-lb person??
A) ?34 B) ?65 C) ?80 D) ?105
If the osmolarity of intracellular fluid (ICF) is higher than that of extracellular fluid (ECF), what is the tonicity of the blood?
a. The blood is isotonic to the ICF. b. The blood is hypotonic to the ICF. c. The blood is hypertonic to the ICF. d. The blood is hypertonic to the ECF.