Podcast
Questions and Answers
What is the primary function of Parathyroid Hormone (PTH)?
What is the primary function of Parathyroid Hormone (PTH)?
- Regulating thyroid hormone production
- Maintaining plasma [Ca2+] levels (correct)
- Regulating inorganic phosphate concentration
- Controlling extracellular fluid pH
How many amino acids are present in the intact Parathyroid Hormone (PTH)?
How many amino acids are present in the intact Parathyroid Hormone (PTH)?
- 84 (correct)
- 150
- 115
- 90
What is the approximate half-life of intact Parathyroid Hormone (PTH) in the blood?
What is the approximate half-life of intact Parathyroid Hormone (PTH) in the blood?
- 10-12 minutes
- 5-6 minutes
- 1-2 minutes
- 3-4 minutes (correct)
What is the approximate total weight of parathyroid tissue in the body?
What is the approximate total weight of parathyroid tissue in the body?
What is the role of Calcitonin in regulating calcium concentration in the extracellular fluid?
What is the role of Calcitonin in regulating calcium concentration in the extracellular fluid?
How many parathyroid glands are usually found in the human body?
How many parathyroid glands are usually found in the human body?
What is the primary effect of PTH on osteoclasts?
What is the primary effect of PTH on osteoclasts?
What is the active metabolite of vitamin D3?
What is the active metabolite of vitamin D3?
Where is the 1α-hydroxylase enzyme located?
Where is the 1α-hydroxylase enzyme located?
What is the effect of PTH on plasma calcium levels?
What is the effect of PTH on plasma calcium levels?
What is the precursor of cholecalciferol?
What is the precursor of cholecalciferol?
What is the net result of PTH actions on bone?
What is the net result of PTH actions on bone?
What directly stimulates the activity of 1α-hydroxylase?
What directly stimulates the activity of 1α-hydroxylase?
What is the role of calbindin-D in the intestinal mucosa?
What is the role of calbindin-D in the intestinal mucosa?
What is the effect of calcitriol on bone mobilization?
What is the effect of calcitriol on bone mobilization?
What is the function of osteocalcin in bone formation?
What is the function of osteocalcin in bone formation?
What is the role of alkaline phosphatase in bone formation?
What is the role of alkaline phosphatase in bone formation?
What is the effect of 1:25-DHCC on 25-HCC?
What is the effect of 1:25-DHCC on 25-HCC?
What is the effect of calcitonin on osteoclast activity?
What is the effect of calcitonin on osteoclast activity?
What is the primary target cell for calcitonin?
What is the primary target cell for calcitonin?
What is the effect of calcitonin on renal reabsorption of calcium and phosphate?
What is the effect of calcitonin on renal reabsorption of calcium and phosphate?
During which periods is plasma calcitonin elevated?
During which periods is plasma calcitonin elevated?
What is the mechanism by which calcitonin acts on its target cells?
What is the mechanism by which calcitonin acts on its target cells?
What is the effect of calcitonin on osteoblastic activity?
What is the effect of calcitonin on osteoblastic activity?
What is the most common single presenting complaint of Primary Hyperparathyroidism?
What is the most common single presenting complaint of Primary Hyperparathyroidism?
What is the primary cause of Hypercalcemia in Primary Hyperparathyroidism?
What is the primary cause of Hypercalcemia in Primary Hyperparathyroidism?
What is the most serious complication of Primary Hyperparathyroidism?
What is the most serious complication of Primary Hyperparathyroidism?
What is the underlying cause of Secondary Hyperparathyroidism?
What is the underlying cause of Secondary Hyperparathyroidism?
What is the result of the reduction of renal production of 1,25-dihydroxycholecalciferol (1,25-DHCC)?
What is the result of the reduction of renal production of 1,25-dihydroxycholecalciferol (1,25-DHCC)?
What is the characteristic of the disorder in Primary Hyperparathyroidism?
What is the characteristic of the disorder in Primary Hyperparathyroidism?
