A deficiency results when:
a. the intake of a nonessential nutrient is inadequate for a prolonged time.
b. a person does not eat enough oranges.
c. the intake of an essential nutrient is inadequate for a prolonged time.
d. excessively high intakes of a nutrient are ingested.
c
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When a nutrient moves freely across the cell membrane from an area of higher nutrient concentration into an absorptive cell where the concentration of that nutrient is lower, this is called
A. active absorption. B. facilitated diffusion. C. passive diffusion. D. phagocytosis.
Why are infant feeding problems more common in extremely low birthweight and very low birthweight infants?
a. Preterm birth reduces the nutritional composition of mother's breast milk b. preterm infants develop the skills for nursing when they reach a postmenstrual age of 40 weeks gestation c. impaired nutrient absorption and slow gut motility affect tolerance of feedings d. increased energy needs are difficult to achieve because of the preterm infant's ineffective nippling skills
Mutton is a staple in the diet of which of the following ethnic groups?
A) Indian B) Chinese C) Alaskan D) Native American
A feature of heavy caffeine use in human pregnancy is that it may
a. worsen edema. b. increase the risk of preterm birth. c. increase the risk of birth defects. d. increase the risk of stillborn infants.