Which hormone is released by the juxtaglomerular cells when renal perfusion falls?
Correct answer: A. Renin
- A. Renin
- B. Insulin
- C. Parathyroid hormone
- D. Cortisol
Explanation
Reduced renal perfusion stimulates juxtaglomerular cells to release renin. Renin begins the renin-angiotensin-aldosterone system, which helps restore blood pressure and circulating volume.
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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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