answer both questions Transcribed Image Text: 5. Calcium absorption across the gut epithelium- a) -efficiency will decrease if the diet has a low calcium concentration T b) is increased by

answer both questions Transcribed Image Text: 5. Calcium absorption across the gut epithelium-
a) -efficiency will decrease if the diet has a low calcium concentration T
b) is increased by calcitonin T
c) -is stimulated if parathyroid hormone levels are highT
d) -All the above (a, b and c) are correct T
6. Mineral loss from bone will-be increased by T
a) -diets containing high protein but low calcium levels T
b) -accumulation of heavy metals such as lead or cadmium in the bone T
c)-high levels of glucocorticoids produced by the adrenal cortex T
d) All the above are correct.*