Glomerulus and Urine Composition
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Questions and Answers

What is the function of the glomerulus in the nephron?

  • Filtration of blood to form filtrate (correct)
  • Absorption of water
  • Storage of urine
  • Production of urine

Which factor does not affect the color of urine?

  • Water intake
  • Protein content in urine (correct)
  • Environmental temperature
  • Nutrient intake

What does the presence of leukocytes in urine indicate?

  • High sugar levels
  • Urinary tract infection (correct)
  • Dehydration
  • Kidney stones

What does the presence of ketones in urine indicate?

<p>Use of fat for energy (D)</p> Signup and view all the answers

Which term describes the overproduction of urine?

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

How do meats and citrus fruits differ in their effect on urine pH?

<p>Meats lower urine pH, citrus fruits raise it (A)</p> Signup and view all the answers

What is the role of calcitriol in the body?

<p>Regulate calcium in the blood (B)</p> Signup and view all the answers

What is the medical term for urination?

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

Which structure regulates renin release to influence blood volume?

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

Which of the following is NOT true about vitamin D?

<p>It should be referred to as a hormone and not a vitamin (D)</p> Signup and view all the answers

What happens if osmolarity is high in the renal system?

<p>Cells contract to retain fluid (A)</p> Signup and view all the answers

What is the function of erythropoietin (EPO) in the body?

<p>Increase erythrocyte production (B)</p> Signup and view all the answers

Which part of the nephron is responsible for most absorption and secretion?

<p>Proximal Convoluted Tubule (PCT) (B)</p> Signup and view all the answers

Why is regulating the blood's pH level important?

<p>To maintain proper physiological functioning (C)</p> Signup and view all the answers

What role do the kidneys play in hematopoiesis?

<p>Produce erythropoietin (EPO) (B)</p> Signup and view all the answers

What causes aquaporin channel proteins to pull water back into interstitial spaces for reabsorption?

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

What does systemic edema indicate?

<p>Impaired renal function (D)</p> Signup and view all the answers

What is responsible for absorbing most solutes and water from the nephron and returning them back into circulation?

<p>Nephrons (A)</p> Signup and view all the answers

What is the main function of the Loop of Henle in the nephron?

<p>Reabsorption of water and solutes (C)</p> Signup and view all the answers

Which structure empties into a papilla in the kidney?

<p>Collecting Duct (A)</p> Signup and view all the answers

What is the function of ADH in the kidney?

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

What is the role of urea in the Loop of Henle?

<p>Rids the body of nitrogen (D)</p> Signup and view all the answers

Which hormone increases the number of sodium pumps in the DCT?

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

What is the final area where water balance and osmolarity adjustments occur in the kidneys?

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

Which hormone is also known as vasopressin and works to reabsorb water?

<p>Anti-diuretic hormone (ADH) (B)</p> Signup and view all the answers

What happens if urine is clear according to the text?

<p>Decreased ADH secretion (A)</p> Signup and view all the answers

Which hormone influences calcitriol and results in higher calcium levels in the blood?

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

What is the action of natriuretic hormones in the kidneys?

<p>Inhibit aldosterone and promote sodium excretion (D)</p> Signup and view all the answers

What regulates acid and bases slowly in the body compared to the lungs?

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

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