Which statement does the nurse know is true regarding the effects of parathyroid hormone on bones for the maintenance of calcium balance?
1 increases bicarbonate and sodium excretion
2 enhances absorption of calcium and phosphorous
3 increases reabsorption of calcium and magnesium
4 increases net release of calcium into extracellular fluid

Option 3

Explanation:

Parathyroid hormone directs serum calcium through its impacts on kidney, bone and the digestive tract.

In bones, Parathyroid hormone upgrades the arrival of calcium from the enormous repository contained during the bones.

Bone resorption is the typical obliteration of bone by osteoclasts, which are in a roundabout way invigorated by Parathyroid hormone.

it's a nutrition food for pregnant mothers so they unborn child can get its nutrition that it needs to grow in to a healthy baby.

explanation:

and the mother is getting all of her nutrition and her calcium and vitamins .