Question

1. To maintain appropriate blood levels of calcium and phosphate, you must have fully functioning

a)kidney, thyroid, intestines

b )stomach, adrenal glands, kidneys

c) colon, thyroid, adrenal glands

d) intestines, bones, kidneys

2. What is not a major contributor of iodine in the US diet?

a) dried beans and peas

b) commercial diary products

d) commercially prepared bread

d) iodized salt                                                                                  

3. --- is the protein responsible for binding to zinc when there is a high zinc intake in the diet

a)zinc binding enzyme

b) zinc transporting enzyme

c) zincothlonein

d) metallothionein

Answer 1

1. Option A is correct as to maintain appropriate blood levels of calcium and phosphate, there is nedd of well functioning of kidney (for regulation of calcium ion during urine formation), then thyroid and finally intestine

2. option A is correct as the major contributor of iodine in US are commercial diary products, commercially prepared bread, iodized table salt and sea foods not the dries pe and beens  

3. Option D is correct as metallothionein are cysteine rich binding prooteins having high affinity for zinc and it is responsible for binding to zinc when there is a high zinc intake in the diet