Urinary System Function and Disorders Quiz
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Questions and Answers

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

  • Causes Na+ reabsorption
  • Promotes vasodilation
  • Opposes the action of aldosterone (correct)
  • Inhibits ADH release

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

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

    • How do baroreceptors function in regulating blood pressure?

  • Check BP in the aorta and carotid sinuses (correct)
  • Cause an increase in BP
  • Promote widespread vasodilation
  • Regulate sodium reabsorption

    • Which hormone is responsible for controlling sodium indirectly?

    <p>Natriuretic hormone</p> Signup and view all the answers

    What regulates calcium levels in the body?

    <p>Parathyroid hormone</p> Signup and view all the answers

    What is the function of hydrogen ions in the context of acid/base homeostasis?

    <p>Balance pH levels</p> Signup and view all the answers

    What is the main purpose of the kidney?

    <p>Maintaining homeostatic balance of plasma and excreting potential toxins</p> Signup and view all the answers

    What does the presence of leukocytes in urine indicate?

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

    What is the approximate daily volume of urine excreted by the body to remove waste?

    <p>1-2 liters</p> Signup and view all the answers

    What substance is reabsorbed in the Proximal Convoluted Tubule (PCT)?

    <p>Sodium</p> Signup and view all the answers

    What does the presence of ketones in urine usually indicate?

    <p>High-fat diet or diabetes</p> Signup and view all the answers

    What is the primary function of the macula densa in the kidney?

    <p>Regulating sodium levels</p> Signup and view all the answers

    What does oliguria refer to?

    <p>Less than 50 mL of urine per day</p> Signup and view all the answers

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