HUN Exam3 Water

Card Set Information

Author:
bkheath
ID:
116858
Filename:
HUN Exam3 Water
Updated:
2011-11-14 21:42:48
Tags:
HUN Exam3 Water
Folders:

Description:
HUN Exam3 Water
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user bkheath on FreezingBlue Flashcards. What would you like to do?


  1. Intracellular fluid composes ___% of total body water, and extracellular fluid composes ____%, which is divided b/w intravascular fluid is ___% and interstitial fluid is ___%
    • 67%
    • 33%
    • 25%
    • 8%
  2. Fluid in bloodstream
    Intravascular fluid
  3. Fluid b/w cells
    Interstitial fluid
  4. Sodium, potassium, chloride attract water and these ions are called:
    electrolytes
  5. 20-25% of water intake comes from:
    food
  6. 1-2 L/day of water is lost via:
    urine
  7. 4 routes of water output
    • Urine
    • Skin
    • Lungs (respired air)
    • GI tract (lowest amt)
  8. Fluid balance is maintained via 2 general methods
    • Electrolytes
    • Hormonal control
  9. Hormones involved in water balance
    • ADH: hypothalamus & pituitary gland
    • Renin/angiotensin: kidney
  10. ____ cells in hypothalamus sense concentration of sodium in blood, stimulate thirst mechanism, and stimulate release of ADH from pituitary gland
    Osmoreceptor
  11. Causes of thirst (3)
    • Increase in plasma osmolarity
    • Reduction in blood volume
    • Reduction in blood pressure
  12. ____ released from pit gland stimulates kidneys to conserve water
    ADH
  13. When BP drops, the immediate hormonal effect is ___ release which causes ___. The delayed effect is release of ___ which causes ____.
    • angiotensin; vasoconstriction
    • aldosterone; sodium retention
  14. AI water for females & males
    • F: 2700 mL/day
    • M: 3700 mL/day
  15. Water intoxication leads to ____ which is low blood sodium
    hyponatremia
  16. Water intoxication often caused by excess water intake w/out electrolytes, such as during ___
    endurance excercise

What would you like to do?

Home > Flashcards > Print Preview