Renal Function and Fluid Balance Quiz
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Questions and Answers

Which of the following is NOT a component of the urinary system?

  • One urethra
  • Two ureters
  • Two kidneys (correct)
  • One urinary bladder
  • What is the main function of the kidneys in the urinary system?

  • Regulation of pH
  • Maintenance of blood osmolarity (correct)
  • Regulation of blood volume and pressure
  • Regulation of blood ionic composition
  • Which layer of tissue surrounds each kidney?

  • Renal fascia (correct)
  • Adipose capsule
  • Renal capsule
  • Renal cortex
  • What are the functional parts of the kidney?

    <p>Cortex and pyramids</p> Signup and view all the answers

    How does blood enter and exit the kidney?

    <p>Enter through the renal artery and exit through the renal vein</p> Signup and view all the answers

    Which of the following is NOT a component part of the nephron?

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

    What is the function of the nephron?

    <p>Excreting wastes and foreign substances</p> Signup and view all the answers

    Which process helps to control blood pH and eliminate substances from the body?

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

    Where does the majority of solute and water reabsorption from filtered fluid occur?

    <p>Proximal convoluted tubules</p> Signup and view all the answers

    What promotes the reabsorption of almost all organic solutes in the proximal convoluted tubule?

    <p>Na+ transporters</p> Signup and view all the answers

    What creates an osmotic gradient that promotes the reabsorption of water by osmosis?

    <p>Reabsorption of Na+</p> Signup and view all the answers

    What is the main factor that determines the rate at which water is lost from the body?

    <p>Antidiuretic hormone (ADH) level</p> Signup and view all the answers

    When the ADH level is very low, what type of urine is produced?

    <p>Dilute urine</p> Signup and view all the answers

    What is the main process involved in the production of concentrated urine?

    <p>Sodium pumping along with variable solute and water permeability in the loop of Henle</p> Signup and view all the answers

    Which of the following is NOT a component of a nephron?

    <p>Collecting duct</p> Signup and view all the answers

    Which of the following is NOT a process involved in producing urine?

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

    Which of the following is NOT a component of the glomerular filtration membrane?

    <p>Renal tubule</p> Signup and view all the answers

    What is the net filtration pressure (NFP) in millimeters mercury (mm Hg)?

    <p>10 mm Hg</p> Signup and view all the answers

    What is the glomerular filtration rate (GFR) in milliliters per minute (ml/min) for a normal adult?

    <p>125 ml/min</p> Signup and view all the answers

    Which of the following mechanisms does NOT regulate the glomerular filtration rate (GFR)?

    <p>Respiratory regulation</p> Signup and view all the answers

    What happens to the glomerular filtration rate (GFR) when blood volume increases?

    <p>GFR increases</p> Signup and view all the answers

    Which enzyme converts angiotensin I into active angiotensin II?

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

    How does alcohol affect ADH?

    <p>Decreases ADH production</p> Signup and view all the answers

    What is the primary mechanism by which urine is transported through the ureters?

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

    Where is the urinary bladder located?

    <p>In the pelvic cavity</p> Signup and view all the answers

    What is the function of the urethra?

    <p>To discharge urine from the body</p> Signup and view all the answers

    What is the role of the male urethra in addition to discharging urine?

    <p>Transporting sperm</p> Signup and view all the answers

    What initiates the spinal micturition reflex?

    <p>Stretch receptors in the urinary bladder wall</p> Signup and view all the answers

    Which layer of the urinary bladder consists of smooth muscles?

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

    What forms the internal urethral sphincter in the urinary bladder?

    <p>Circular fibres of the muscularis</p> Signup and view all the answers

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