Biochemical analyses are mostly done only when malnutrition is already suspected because:
A) they are not diagnostic in nature and cannot be used to diagnose a problem definitively.
B) the collection and analysis of biological samples necessitate technical expertise and costly procedures.
C) biological samples are representative of one's dietary intake but not nutrient deficiency.
D) they cannot confirm deficiency or excess of any particular nutrient.
B
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Examples of conditions that INCREASE protein needs include:
a. wound healing. b. cystic fibrosis. c. PKU. d. All of the above e. a and b only
Selenium is a cofactor for an enzyme called glutathione peroxidase, which is important for
A. synthesis of hydroxyapatite. B. antioxidant defense systems in the body. C. stomach acid production. D. regulation of fluid status.
Mike is a 40-year-old male who is concerned about his cardiovascular health. His mother and grandfather have both had heart attacks. Mike has had his cholesterol measured at 250 mg/dL, his HDL-cholesterol is 45 mg/dL, and his triglycerides were 300 mg/dL. His diet consists of a high-sugar granola breakfast cereal with whole milk, ham and American cheese on white bread for lunch, pretzels for
snack, and pepperoni pizza, steak, or cheese burgers for most dinner meals. He also enjoys drinking beer several times a week, typically consuming 5-6 beers each time. Mike currently does not exercise but enjoys playing golf, swimming, and weight lifting. His job is moderately active and involves long periods of standing, which complicates his chronic back pain. Recently Mike has been considering making some dietary and lifestyle modifications to improve his cardiovascular health and reduce his cholesterol. Answer the following question(s) to help Mike make healthy changes to improve his diet and lifestyle. In looking at Mike's current diet, what dietary factor is significantly contributing to his high cholesterol? A) High saturated fat intake B) Low intake of fruits and vegetables C) Low intake of EPA and DHA fats D) High intake of refined carbohydrate E) All of the above
Foods should be introduced to an infant one at a time because ____
a. this prevents overfeeding b. the swallowing reflex is not under voluntary control c. immunological protection has not been developed d. any allergic reactions can be detected