16 Questions
Which hormone is the opposite of aldosterone and causes increased sodium secretion in the kidney?
Natriuretic hormone
What effect does parathyroid hormone have on calcium and phosphate reabsorption in the kidney?
Increases calcium reabsorption and blocks phosphate reabsorption
What is the primary mechanism by which the kidney senses changes in blood pressure?
Baroreceptors in the aorta and carotid sinuses
How do diuretics like caffeine affect the kidney?
Caffeine promotes vasodilation in the nephron
How does alcohol affect the kidney?
Alcohol inhibits ADH release
What is the normal pH range of urine?
4.5 - 8.0
What is the normal range for daily urine output?
500 mL to 2.5 L
What is the primary purpose of the kidney?
To filter blood and maintain homeostatic balance
What is the function of the macula densa?
Both A and B
What is the purpose of the renal hilum?
To recover water and solutes that need to be reabsorbed into circulation
What is the function of the distal convoluted tubule?
Both B and C
What is the purpose of the loop of Henle?
To reabsorb water and solutes
What is the function of the proximal convoluted tubule?
To actively pump out sodium and reabsorb water
What is the purpose of the glomerulus?
To filter blood and form the initial filtrate
What is the primary cause of systemic edema?
Decreased blood osmotic pressure
What is the function of the collecting duct?
To regulate water reabsorption through ADH
Test your knowledge on the urinary system's function and disorders such as dehydration, polyuria, and oliguria. Learn about the amount of urine excreted per day, specific gravity, and common indicators of kidney-related issues.
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