HLTH 330 - Exam #3

ascorbic acid - vitamin C ascorbic acid deficiency - Scurvy: poor wound healing, bleeding gums, loose teeth, bone fragility, joint pain, pinpoint hemorrhages ascorbic acid food sources - citrus fruits and vegetables ascorbic acid toxicity - GI distress, diarrhea beta-carotene - vitamin A biotin - vitamin B7 biotin deficiency - uncommon but observed in ppl with malabsorption symptoms: nausea, thinning hair, loss of hair color, red skin rash, depression, etc biotin food sources - cooked eggs, liver, yogurt, and nuts biotin toxicity - none reported BMR and REE - -Energy needed at rest to maintain life-sustaining activities for a specific amount of time -Amount of energy needed to consume over 24-hour period for the body to maintain internal working activities while at rest body water content with aging - decreases body water fat vs. muscles - muscles contain more water than fat does body water males vs. females - males have more body water bone health relating to estrogen - promotes activity of osteoblasts, cells that make new bone can affect bone density bone health relating to exercise - exercising regularly reduces the rate of bone loss and conserves bone tissue, lowering the risk of fractures bone health relating to fat - high level of body fat are associated with a lower bone mineral density