A patient has a serum calcium level below the normal range. Which kidney response is promoted by parathyroid hormone?
Correct answer: A. Increased calcium reabsorption
- A. Increased calcium reabsorption
- B. Increased calcium loss in urine
- C. Reduced activation of vitamin D
- D. Reduced phosphate excretion
Explanation
Parathyroid hormone increases renal calcium reabsorption and promotes activation of vitamin D. It also increases phosphate excretion, so reduced phosphate loss is an incorrect response.
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About Urinary System
The urinary system includes the kidneys, ureters, urinary bladder and urethra, with emphasis on nephron structure and urine formation. It explains glomerular filtration, tubular reabsorption, tubular secretion, water and electrolyte regulation, acid base balance, and the roles of ADH and aldosterone in maintaining homeostasis.
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