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Urinary System Quiz: Filtration, Urine Production, and Dehydration

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Urinary System Quiz: Filtration, Urine Production, and Dehydration

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Questions and Answers

What is the function of natriuretic hormone in diabetic kidney disease?

Results in Na+ secretion (correct)

Inhibits ADH release

Causes Ca++ reabsorption

Promotes vasodilation in the nephron

Which hormone controls sodium levels indirectly?

Natriuretic hormone

PTH

Renin

ADH (correct)

What happens when baroreceptors sense a decrease in blood pressure?

Widespread vasodilation occurs (correct)

There is an increase in BP

Ca++ reabsorption is blocked

Juxtaglomerular apparatus releases renin

Which hormone promotes an increase in Ca++ reabsorption?

Parathyroid hormone Signup and view all the answers

What is the role of hydrogen ions in kidney function?

Maintaining acid/base homeostasis Signup and view all the answers

How does alcohol affect the kidney function?

Inhibits ADH release Signup and view all the answers

What is the main function of the nephrons in the kidney?

Produce urine Signup and view all the answers

What is the purpose of the renal hilum?

To recover water and solutes for reabsorption Signup and view all the answers

What does the presence of ketones in the urine indicate?

Diabetes or high-fat diet Signup and view all the answers

What happens in the descending loop of Henle?

Reabsorption of water using aquaporin channel proteins Signup and view all the answers

Which hormone increases sodium reabsorption in the distal convoluted tubule?

Aldosterone Signup and view all the answers

What is the function of the macula densa in the nephron?

Measures sodium concentration Signup and view all the answers

What is the role of the collecting ducts in the kidney?

Control water reabsorption Signup and view all the answers