The nurse is providing education to a client with a parathyroid disorder about the function of parathyroid hormone (PTH) in the body. Which statements will the nurse include in the teaching? Select all that apply.
A) "PTH decreases intestinal calcium resorption."
B) "PTH increases renal calcium resorption."
C) "PTH promotes the release of calcium from the bone."
D) "PTH directly affects calcium resorption in the small bowel."
E) "PTH stimulates the production of vitamin D metabolite 1,25-(OH)2D."
B) "PTH increases renal calcium resorption."
C) "PTH promotes the release of calcium from the bone."
E) "PTH stimulates the production of vitamin D metabolite 1,25-(OH)2D."
Explanation: A) The primary effect of PTH is to maintain the normal serum calcium concentration. PTH has direct effects on the kidney and bone. In the kidney, PTH promotes calcium reabsorption in the distal tubule and the medullary thick ascending limb of the loop of Henle. PTH stimulates the release of calcium from a rapidly exchangeable pool of calcium in bone. These processes act together to maintain normal serum calcium concentrations. The effect of PTH on the intestinal mucosa is indirect, not direct; PTH stimulates the production of the vitamin D metabolite 1,25-(OH)2D, which increases, not decreases, the intestinal absorption of calcium.
B) The primary effect of PTH is to maintain the normal serum calcium concentration. PTH has direct effects on the kidney and bone. In the kidney, PTH promotes calcium reabsorption in the distal tubule and the medullary thick ascending limb of the loop of Henle. PTH stimulates the release of calcium from a rapidly exchangeable pool of calcium in bone. These processes act together to maintain normal serum calcium concentrations. The effect of PTH on the intestinal mucosa is indirect, not direct; PTH stimulates the production of the vitamin D metabolite 1,25-(OH)2D, which increases, not decreases, the intestinal absorption of calcium.
C) The primary effect of PTH is to maintain the normal serum calcium concentration. PTH has direct effects on the kidney and bone. In the kidney, PTH promotes calcium reabsorption in the distal tubule and the medullary thick ascending limb of the loop of Henle. PTH stimulates the release of calcium from a rapidly exchangeable pool of calcium in bone. These processes act together to maintain normal serum calcium concentrations. The effect of PTH on the intestinal mucosa is indirect, not direct; PTH stimulates the production of the vitamin D metabolite 1,25-(OH)2D, which increases, not decreases, the intestinal absorption of calcium.
D) The primary effect of PTH is to maintain the normal serum calcium concentration. PTH has direct effects on the kidney and bone. In the kidney, PTH promotes calcium reabsorption in the distal tubule and the medullary thick ascending limb of the loop of Henle. PTH stimulates the release of calcium from a rapidly exchangeable pool of calcium in bone. These processes act together to maintain normal serum calcium concentrations. The effect of PTH on the intestinal mucosa is indirect, not direct; PTH stimulates the production of the vitamin D metabolite 1,25-(OH)2D, which increases, not decreases, the intestinal absorption of calcium.
E) The primary effect of PTH is to maintain the normal serum calcium concentration. PTH has direct effects on the kidney and bone. In the kidney, PTH promotes calcium reabsorption in the distal tubule and the medullary thick ascending limb of the loop of Henle. PTH stimulates the release of calcium from a rapidly exchangeable pool of calcium in bone. These processes act together to maintain normal serum calcium concentrations. The effect of PTH on the intestinal mucosa is indirect, not direct; PTH stimulates the production of the vitamin D metabolite 1,25-(OH)2D, which increases, not decreases, the intestinal absorption of calcium.
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