Why is vitamin D important to the body? Generally, who is at risk for low levels of vitamin D?
What will be an ideal response?
Vitamin D is a fat-soluble vitamin that plays an essential role in facilitating intestinal absorption of calcium and phosphorus that is required to maintain adequate serum levels of these minerals. Vitamin D is also essential for optimal bone formation. Vitamin D adequacy should be assessed for all adolescents of high-risk groups, particularly those who live in northern climates, who have limited sun exposure, who have lactose intolerance or milk allergy, who have developmental disabilities that may limit outdoor activities, or who have darkly pigmented skin or frequently use sunscreen.
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A male infant can get too much protein when
a. his motor skills are developed. b. baby cereal is added to his infant formula. c. he consumes more formula than recommended for age. d. his mom is breastfeeding. e. b and c
Reyna is a competitive athlete who weighs 65 kg and trains for less than 4 hours a day, most days of the week. She would like to plan a nutritionally adequate diet that provides enough carbohydrate to maintain her weight and glycogen stores during training and competition. According to expert recommendations, she should consume ________ grams of carbohydrate daily.
A. 120 to 340 B. 195 to 650 C. 190 to 460 D. 220 to 530
During a negative energy balance, amino acids are used to assist in energy production, a term referred to as ___.
a. Gluconeogenesis b. Glycogenesis c. The Kreb's Cycle d. The Cori Cycle
The fatty acid chains found in foods and body tissues range from ____ carbon atoms in length.?
A) ?1 to 3 B) ?2 to 6 C) ?3 to 12 D) ?4 to 24