CDRE NUTRITION THERAPY: RENAL MBD Exam Questions With 100% Correct Answers

CDRE NUTRITION THERAPY: RENAL MBD Exam Questions With 100% Correct Answers Where is half the calcium in the blood bound too? - answerplasma protein (albumin) About 2/3 of the calcium is reabsorbed by the? - answerproximal tubules Parathyroid Hormone - answerA hormone of the parathyroid gland that regulates the metabolism of calcium and phosphorus in the body. ** Low calcium and elevated phosphate stimulates its release. When exerted, the kidneys decrease the exertion of calcium and increase the excretion of phosphate **Increases guy absorption of calcium What happens to Phosphate and Calcium during CKD? PART 1 - answerAs kidney function declines, the kidney excretes less phosphate, which causes serum phosphate levels to increase. The kidney also absorbs less calcium, which decreases serum calcium. What happens to Phosphate and Calcium during CKD? PART 2 - answerThe increase phosphate levels causes the secretion of PTH (secondary parathyroidism) What happens to Phosphate and Calcium during CKD? PART 3 - answerCirculating Vitamin D levels also decrease which limits the absorption of calcium in the gut, worsening hypocalcemia. The lack of kidney hydroxylation of vitamin D in CKD contributes to renal bone disease What happens to Phosphate and Calcium during CKD? PART 4 - answerAcid base balance is disrupted in CKD due to the retention of hydrogen ions (ammonium and phosphoric acid) by the kidneys As a result, metabolic acidosis (accumulation of acid in the body, associated with increased rate of vascular calcification) develops.