PHYSIO

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Author:
Anonymous
ID:
104828
Filename:
PHYSIO
Updated:
2011-09-28 00:19:43
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PHYSIO
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QUIZ
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  1. The lower the molecular weight...
    the faster the rate of diffusion
  2. Molecular motion
    • reflects the kinetic energy of molecules
    • is random and erratic
  3. Velocity of molecular movement
    • is lower in larger molecules
    • increases with increasing temp
  4. The single characteristic of the differentially permeable membranes determines the substances that can pass through them?
    DENSITY
  5. Hypertonic solution
    the cells are said to be crenated
  6. Isotonic solution
    full shaped cells
  7. Hypotonic solution
    the cells are filled with h2o and can lyse - Hemolysis
  8. Active Transport
    • uses ATP
    • May occur against concentration and or electrical gradients
    • explain solute pumping, phagocytosis, and pinocytosis
    • move ions, amino acids, and some sugars across the plasma membrane
  9. Passive Transport
    • no ATP
    • include osmosis, simple diffusion, and filtration
    • account for the movement of fats and respiratory gases through the plasma membrane
    • use hydrostatic pressure or molecular energy as the driving force
  10. Movement of molecules from high to low concentration down a concentration gradient
    DIFFUSION
  11. The diffusion of water
    OSMOSIS
  12. Diffusion that occurs on its own
    SIMPLE DIFFUSION
  13. Selection of what is allowed to pass through
    FILTRATION
  14. Englufing of a molecule by a cell
    PHAGOCYTOSIS
  15. Absorbtion of larger molecules via Edocytosis
    FLUID-PHASE ENDOCYTOSIS
  16. Ability of the body to maintain a condition of equilibrium or stability within its internal environment
    HOMEOSTASIS
  17. Goal of Homeostasis:
    to stabalize health and functioning reguardless of the outside changing conditions
  18. Responsiveness
    helps maintain homeostasis when environmental conditions change
  19. Sweating in a humid environment vs non-humid
    high humidity -> sweat doesnt evaporate -> body temp increases -> sweat more

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