Urinary System Practice Quiz

17 Questions

Settings
Please wait...
Urinary System Practice Quiz

The main function of the urinary system is to remove waste from the blood in form of urine. This process is made possible through the use of selected organs but the main one is the kidney, which removes urea from the blood through tiny filtering units called nephrons. Test out what you know about the urinary system by taking up the quiz below.


Questions and Answers
  • 1. 
    Which of the following is a function of the kidney?
    • A. 

      Regulates blood pressure.

    • B. 

      Filters waste from the blood.

    • C. 

      Regulates the pH of the body.

    • D. 

      Regulates the body's electrolyte concentration.

    • E. 

      All of the above.

  • 2. 
    The ___________ arteries supply the kidneys with blood.
  • 3. 
    The bladder is lined with ______________ epithelium.
    • A. 

      Simple columnar

    • B. 

      Transitional

    • C. 

      Stratified squamous

    • D. 

      Simple cuboidal

    • E. 

      Pseudostratified columnar

  • 4. 
    The functional unit of the kidneys is the
    • A. 

      Neuron.

    • B. 

      Neural glial cell.

    • C. 

      Nephron.

    • D. 

      Ureters.

    • E. 

      Nephritis.

  • 5. 
    Filtration of the blood occurs at the ___________ an is collected by the ___________.
    • A. 

      Glomerulus ; proximal convoluted tubule

    • B. 

      Glomerulus ; glomerular capsule

    • C. 

      Glomerulus ; nephron loop

    • D. 

      Glomerular capsule ; glomerulus

    • E. 

      Proximal convoluted tubule ; glomerulus

  • 6. 
    Most of the solutes and water that are filtered out of the blood are reabsorbed at the __________________ of the renal tube.
  • 7. 
    Along the descending limb of the nephron loop (loop of Henle) ______________ is reabsorbed, while along the ascending limb _________________ is reabsorbed.
    • A. 

      Water ; urea

    • B. 

      Salt ; water

    • C. 

      Salt ; urea

    • D. 

      Water ; salt

    • E. 

      Water ; glucose

  • 8. 
    Urine that has glucose in it is usually an indicator of
    • A. 

      Diabetes mellitus.

    • B. 

      A bacterial infection.

    • C. 

      Muscle atrophy.

    • D. 

      Acidosis .

    • E. 

      Kidney stones.

  • 9. 
    The distal convoluted tubule is only permeable to water if _______________ is present.
    • A. 

      Epinephrine

    • B. 

      Oxytocin

    • C. 

      Antidiuretic hormone

    • D. 

      Salt

    • E. 

      Human growth hormone

  • 10. 
    Which of the following is not normally filtered from the blood?
    • A. 

      Glucose

    • B. 

      Water

    • C. 

      Amino acids

    • D. 

      Blood cells

    • E. 

      Urea

  • 11. 
    Which of the following is reabsorbed back into the blood via passive transport?
    • A. 

      Amino acids

    • B. 

      Glucose

    • C. 

      Hydrogen ions

    • D. 

      Calcium

    • E. 

      Water

  • 12. 
    • A. 

      The urine is light yellow and has a specific gravity less than 1.035.

    • B. 

      The urine is dark yellow and has a specific gravity greater than 1.035.

    • C. 

      The urine is light yellow and has glucose present.

    • D. 

      The urine is dark yellow and has glucose present.

    • E. 

      Bees!

  • 13. 
    Urine leaves the urinary bladder though the ____________________.
  • 14. 
  • 15. 
    The reason why alcohol and caffeine are known to cause dehydration.  This is because these two drugs decrease the effectiveness of _____________________. 
  • 16. 
  • 17. 
    • A. 

      They are both composed of simple columnar epithelium.

    • B. 

      They are both composed of simple cuboidal epithelium.

    • C. 

      The cells of the small intestine and PCT contain microvilli.

    • D. 

      The cells of the small intestine and PCT contain secrete digestive enzymes.

    • E. 

      None of the above.