Nutrition 202 Exam 3 Module 10-15 TAMU questions with correct answers

macrominerals CORRECT ANSWER -present in greater amounts in body -calcium, phosphorous, potassium, sulfur, sodium, chloride, magnesium -more than 100 mg per day microminerals CORRECT ANSWER -trace minerals -iron, copper, manganese, iodine, zinc -less than 100 mg per day calcium-blood levels CORRECT ANSWER 1. when calcium levels low, a lot of PTH released 2. triggers conversion of vitamin D to active form --> calcitrol 3. calcitrol- increased calcium absorption in intestine, reabsorption in kidneys, and release calcium from bone calcium-functions CORRECT ANSWER 1. build and maintain bone 2. makes up minerals in bone which produces bone strength 3. muscle contractions- centers muscle cell to initiate contraction 4. nerve transmission- allows release of neurotransmitters and regulates Na+ and K ions across membrane 5. hormone regulation- hormone binds to cell surface receptor; triggers release of calcium in cell; calcium amplifies hormone's message 6. role in blood clotting- needed to convert prothrombin to thrombin 7. calcium and bp- can have protective effect against hypertension