Urinary System Functions and Disorders Quiz
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Questions and Answers

What hormone is responsible for causing Na+ secretion in diabetic kidney disease?

  • Renin
  • Natriuretic hormone (correct)
  • Parathyroid hormone
  • Aldosterone

Which hormone causes an increase in Ca++ reabsorption and blocks phosphate reabsorption?

  • Parathyroid hormone (correct)
  • Renin
  • Aldosterone
  • Natriuretic hormone

What is responsible for checking blood pressure in the aorta and carotid sinuses?

  • EPO
  • ADH
  • Renin
  • Baroreceptors (correct)

Which substance promotes vasodilation in the nephron?

<p>Caffeine (C)</p> Signup and view all the answers

What is the primary hormone that controls sodium levels indirectly?

<p>PTH (D)</p> Signup and view all the answers

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

<p>Filter blood to create urine (C)</p> Signup and view all the answers

What is the average volume of urine excreted by a healthy individual per day?

<p>2 liters (B)</p> Signup and view all the answers

What does oliguria, a condition where a person excretes 300-500 mL of urine per day, indicate?

<p>Dehydration (D)</p> Signup and view all the answers

Which part of the nephron is responsible for the regulation of sodium and flow rate in the renal tubules?

<p>Distal Convoluted Tubule (DCT) (A)</p> Signup and view all the answers

What is the purpose of the macula densa in the kidney's nephron?

<p>Monitor sodium levels (D)</p> Signup and view all the answers

What does the presence of leukocytes in urine indicate?

<p>Urinary tract infection (D)</p> Signup and view all the answers

In the context of kidney function, what is tubular reabsorption?

<p>Reabsorption of substances into circulation from renal tubules (A)</p> Signup and view all the answers

What is the primary function of the collecting ducts in the kidney?

<p>Regulate water reabsorption (C)</p> Signup and view all the answers

Why does systemic edema occur in cases where too much protein is pushed into the filtrate?

<p>'Pumped up' body due to lower osmotic pressure in blood (B)</p> Signup and view all the answers

Which hormone regulates sodium reabsorption in the distal convoluted tubule?

<p>Aldosterone (D)</p> Signup and view all the answers

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