C787 Study Guide WGU Nutrition
Exam Review 2023
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Macronutrients - Answer-carbohydrates, lipids, and proteins required in large amounts,
provide
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Micronutrients - Answer-vitamins and minerals require smaller amounts, make possible
the biochemical reactions that extract energy from macronutrients molecules
Obesity - Answer->30% body fat
Overweight - Answer->25% body fat
Marasmus - Answer-A disease of severe protein-calorie malnutrition during early
infancy, in which growth stops, body tissues waste away, and the infant eventually dies.
s/s: htn, stroke, type 2 dm, exposed ribs, decreased body fat
Kwashiorkor - Answer-Protein deficiency in childhood, leading to symptoms such as
lethargy, irritability, thinning hair, and swollen body, which may be fatal if not treated.
s/s: potbelly, edema in legs
Anorexia Nervosa (AN) - Answer-an eating disorder characterized by an inability to
maintain normal weight, an intense fear of gaining weight, and distorted body perception
bulimia nervosa - Answer-an eating disorder characterized by binge eating followed by
purging
Pellagra is a _____ deficiency disease. - Answer-Niacin- common in corn based diets
and alcoholics. s/s: diarrhea, dermatitis, dementia, death if not tx.
Vitamin A deficiency - Answer-night blindness, dry skin, corneal damage
Vitamin C deficiency - Answer-scurvy, poor wound healing, bleeding gums, petechiae
Iron deficiency - Answer-anemia
Iodine deficiency - Answer-results in goiter/thyroid problems
Vitamin D deficiencies - Answer-rickets
osteomalacia
osteoporosis
calcium deficiency
colon cancer
Vitamin E deficiency (rare) - Answer-hemolytic anemia
Vitamin K deficiencies - Answer-decreased synthesis of clotting factors
hemorrhage
Malnutrition - Answer-faulty or inadequate diet
treating malnutrition - Answer-correcting diet
correcting body fluid/potassium
"hurry slowly"
diluted milk w/added sugar
What changes were made when DRIs were established in the late 1990's? - Answer-It
expanded from the RDA. It contains several different groups to provide more adequate
information needed
DRI - Answer-Dietary Reference Intakes; combines the classic concerns of deficiency
diseases with the contemporary interest of reducing the risk of chronic diet-related
diseases
UL - Answer-Tolerable upper intake level. The maximum daily amount of a nutrient that
appears safe for most healthy people and beyond which there is an increased risk of
adverse health effects.
EAR - Answer-Estimated Average Requirements- Average amount sufficient for half of
population
RDA - Answer-Recommended Daily Allowances- a healthy diet has nutrients nearing
this amount
Identify the types of dietary fats (including trans-fats) and recommendations regarding
their consumption. - Answer-SATURATED (limit/avoid)
TRANS (worse)
MONOSATURATED (good lowers LDL)
POLYUNSATURATED (same as above)
What is the DASH diet and what level of sodium has been shown to reduce high blood
pressure? - Answer-Dietary Approaches to Stop HypertensionCONSUME UP TO 2300
MG OF SODIUM A DAY
How much of the "My Plate" is fruits and Vegetables? - Answer-1/2 the plate
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