36 -40 Base your Answers on the Diagram Below Ca ..Calcium in Dietary Calcium Fe
ID: 3476682 • Letter: 3
Question
36 -40 Base your Answers on the Diagram Below Ca ..Calcium in Dietary Calcium Feces Filtration Active Transport Ca2 0.001mM 36. This letter could represent resorption by activated osteoclasts 37. This letter represents the ECF 38. This letter represents an area where Ca absorption is mediated by Calcitriol (Active Vit D) and PTH 39·This letter represents an area where alcium reabsorption is controlled by PTH 40. This letter represents the ICF 36-40? 27-31 Use the Diagram of the Calcitriol/ PTH pathway below to answer following questions 27) I am the Liver and provide the first step in the activation of Vitamin D 28) The Process of Calcium Absorption occurs here 29) I am active Vitamin D (Calcitriol) 30) I am the Hormone PTH 31) I am the Kidney and provide the second step in the activation of vitamin D 27-31?Explanation / Answer
36. B
when the plasma level of calcium(calcitriol) reduced, the activation of osteoclasts takesplace. these acts on bone and release calcium ions into plasma.
37. D
the calcium which is present out side the cell is extracellular calcium. here the calcium in free form as Ca+2 is cosidered as ECF calcium.
38. E
calcium absorption in intestine can takeplace by two mechanisms by active transport and passive transport. active transport involved in absorption of saturable calcium in intestine through transcellular mechnism. passive transport for non saturable calcium.
39. C
in kidney the reasorption of calcium is regulated by PTH at proximal covuluetd tubules
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