Card Set Information

2010-04-06 20:53:55

CCT Renal System
Show Answers:

  1. What are the functions of the kidneys?
    • Preserves homeostasis
    • Excretes metabolic wastes
    • Regulates PH
    • Major regulator of BP
  2. Where do the kidneys receive thier blood?
    Directly from the aorta via the renal arteries
  3. How much blood goes to the kidneys per minute?
    25% or 1200 ml/min
  4. What is normal average urine output?
    1000-2000 ml/day
  5. Which nervous system supplies the renal system?
  6. What influences the volume of urine excreted?
    • BP
    • Blood Concentration
    • Water accounts for 95%
    • 1.8 liters are produced from 180 liters of plasma
  7. What does Creatinine tell you?
    How well you are filtering "stuff"
  8. What are the indications of Acute Renal Failure?
    • >50% decrease in glomular filtration rate
    • Increase in BUN and Creatinine
  9. What are teh three causes of Acute Renal Failure?
    • Prerenal failure (Hypotension)
    • Intrinsic failure (Acid/Base Imbalance)
    • Postobstructive renal failure (Kidney Stone)
  10. What does a normal Creatinine and low BUN indicate?
  11. How do you calculate Anion Gap?
    (Na+K) - (Cl+HCO3)
  12. What is normal Anion Gap?
    8-12 mmol
  13. What is Uremia?
    Anion Gap Acidosis
  14. What are the indications of uremia?
    • ABG (to determine metabolic acidosis)
    • Hyperkalemia
    • reduced serum HCO3
    • Elevated BUN and Creatinine
  15. Treatment of Uremia?
    • Correct Acidosis and hyperkalemia
    • Nahco3, CaCl or Ca Gluconate, Insulin and D50
  16. What is the most common cause of UTI?
    gram negative bacteria
  17. S/S for Toxic Shock?
    • Fever
    • Headache
    • Nausea
    • diarrhea
    • erythroderma
    • abd. pain
    • photophobia
    • hypotension
  18. Treatment for Toxic Shock is?
    • Removal of instigating body (tampon, surgical sponge)
    • antibiotic
    • hemodynamic management
  19. What is dark brown urine caused from?
    Myoglobin release