Ch20.1

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Author:
aphy101
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285744
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Ch20.1
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2015-02-19 17:08:13
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profmwinston
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Chapter 20 Part 1 Urinary
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  1. What are the 4 general organs of the urinary system?
    1) Kidneys 2) Ureters 3) Urinary Bladder 4) Urethra
  2. These remove substances from blood, form urine, and regulate certain metabolic processes.
    Kidneys
  3. These carry urine from the kidneys to the bladder.
    Ureters
  4. This receives urine from the ureters and stores it.
    Bladder
  5. This moves urine from the bladder to the outside of the body.
    Urethra
  6. Where are the kidneys located?
    At the level of the 11th and 12th [floating] ribs, behind the parietal peritoneum against the deep muscles of the back
  7. The kidneys are positioned retroperitoneally, meaning what?
    Behind the peritoneum
  8. The inner region of the kidney, composed of renal pyramids.
    Renal Medulla
  9. The outer region of the kidney, surrounded by a protective renal capsule.
    Renal Cortex
  10. The functional unit of a kidney, consisting of a renal corpuscle and a renal tubule.
    Nephron
  11. The nephron is divided into what 2 main structures?
    Renal Corpuscle and Renal Tubule
  12. Part of a nephron that consists of a filtering glomerulus and a surrounding sac-like glomerular capsule; it filters fluid, the first step in urine formation.
    Renal Corpuscle
  13. Part of a renal corpuscle that is a specialized capillary bed which provides the blood to be filtered.
    Glomerulus
  14. Part of a renal corpuscle that is a sac-like structure that surrounds a glomerulus and collects filtrate from it.
    Glomerular (Bowman's) Capsule
  15. Part of a nephron that is a tubular passageway that receives filtrate and modifies it to create urine.
    Renal Tubule
  16. A protein-free solution, similar to blood plasma, which is derived from blood and created in the renal corpuscle of a nephron.
    Filtrate
  17. These types of nephrons are located primarily in the renal cortex, and have relatively short nephron loops that do not reach the renal medulla; they account for 85% of all nephrons.
    Cortical Nephrons
  18. These types of nephrons have long nephron loops that extend deep into the renal medulla, and are essential for producing concentrated urine; they account for for 15% of all nephrons.
    Juxtamedullary Nephrons
  19. In correct order, list all the structures of the nephron through which filtrate will travel from the blood to bladder.
    Glomer. Capsule > Proximal Tubule > Neph. Loop > Distal Tubule > Collecting Duct > Papillary Duct > Minor Calx  Major Calx > Renal Pelvis > Ureter > Bladder > Urethra
  20. Describe the different functions between the "principal cells" and the "intercalated cells"
    Principal Cells reabsorb water and secrete potassium; Intercalated Cells play a role in secreting and reabsorbing hydrogen and bicarbonate ions
  21. Describe the pathway of blood through the kidney in the arterial system.
    Renal Artery > Segmental Arteries > Interlobar Arteries > Arcuate Arteries > Cortical Radiate Arteries > Afferent Arterioles
  22. Describe the pathway of blood through the kidney in the venous system.
    Efferent Arterioles > Cortical Radiate Veins > Arcuate Veins > Interlobar Veins > Renal Vein

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