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23 Cards in this Set

  • Front
  • Back
state of altered physiologic functioning
disease
an abstract term, an average value & some variation either increase or decrease this value
normal
a subjective complaint
symptom
objective observation
sign
pt functions normally even though disease is well established
subclinical stage
severe but self limiting
acute
continuous long-term process
chronic
an aggravation of S&S of disease
exacerbation
decrease in severity of symptoms
remission
the causes of a disease
etiology
the method by which a disease develops
pathogenesis
secondary to change produced by original disease
complication
study of disease in large populations
epidemiology
disease present at birth due to genetics
inherited
disease due to errors in development
congenital
disease resulting from conditions occuring after birth
acquired
What transport method:

- requires a "carrier system" where substances (such as glucose) are carried across the cell membrane
- Substances are not lipid soluble or are too large to pass through the membranes pores
- moves from higher to lower
Facilitated Diffusion
What transport method:

- Moves substances across a cell membrane against a concentration gradient
- From Lower to Higher
- Requires ATP for energy
- Example = Na - K pump
Active Transport
Method of cell function:

- cell membrane sucks up or ingests small amounts of extracellular fluid & particles
- pockets close & break off to form fluid filled vacuoles in the cytoplasm
- proteins enter cells this way
Pinocytosis
Method of cell function:

- Larger particles are "engulfed"
- act as vacuum cleaners for the cellular environment
- bacteria & debris is removed in this manner
Phagocytosis
Method of cell function:

- secretion of Intracellular substances into the Extracellular space
- Important in removing cellular debris
- Hormones are released this way
Exocytosis
- electric tension or pressure that exists on the sides of a membrane wall
- cations and anions on either side of the membrane create a "force" or pressure
- measured in millivolts
Membrane Potentials
- Electrical activity or impulse generated by the force of ions moving across membrane
- "ion-specific" channels are used to generate action potentials
- "slow" channels
- "fast" channels
- K, Na, C
Action Potentials