C787 WGU Nutrition Study Aid with 100% Correct Answers

Vitamin A deficiency causes spots in the eyeball, dry eyes, inability to see dim light, frequent infections Vitamin C deficiency causes scurvy, bruising, bleeding gums, weakness, fatigue, rash Vitamin D deficiency causes rickets, bone and hair loss, muscle pain and weakness Iron deficiency causes anemia, dizziness, lightheaded, palpitations, pallor Iodine deficiency causes enlarged thyroid, constipation, difficulty thinking and understanding, fatigue, sensitivity to cold, or slow growth. RDA Recommended Daily Allowances DRI Dietary Reference Intakes In the mid 1990's, the DRIs replaced the Recommended Dietary Allowance (RDA) in the United States. The DRIs are a set of several reference values that include values related to both adequate intakes and upper levels of intakes.