Which of the following describes a relationship between leptin and energy balance?
a. Fat cell sensitivity to leptin is higher in obese people
b. A deficiency of leptin is characteristic of all obese people
c. Blood levels of leptin usually correlate directly with body fat
d. Major functions of leptin include an increase in hunger and a decrease in metabolic rate
c
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Important functions of lipids in the body include:
a. providing fuel for brain cells. b. insulation of nerve fibers. c. maintaining blood glucose levels. d. sparing body protein stores.
Lycopene is classified as a(n)?
a. lignan.
b. carotenoid.
c. phytoestrogen.
d. enzyme cofactor.
e. teratogen.
Which of the following is most often used to monitor a client's response to and compliance with medical nutrition therapy?
a. food record b. food frequency checklist c. 24-hour recall d. usual intake record
An early sign of vitamin A deficiency is __________.
a. night blindness b. osteomalacia c. total blindness d. rickets