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66 Cards in this Set

  • Front
  • Back
fluid inside the cell is called what?
intracellular fluid
3 types of extracellular fluid
1. intravscular fluid
2. interstitial fluid
3. organ fluid, spinal fluid, lymph nodes, ocular fluid
fluid within blood vessels
intravascular fluid
fluid within tissues
interstitial fluid
movement of water through semi-permeable membrane; water moves from an area of lower solute concentration to an area of higher solute concentration (moves from more water to less water)
osmosis
movement of water from an area of high pressure to an area of low pressure
filtration
force/attraction for water caused by undissolved particles (protein and sodium); wherever protein and sodium go, water will follow
osmotic pressure/colloid oncotic pressure (pull of protein and sodium on water creates a pressure)
what assists in keeping fluid inside blood vessels?
osmotic pressure/colloid oncotic pressure
what is a pressure this is created from solutes?
osmotic pressure
what happens when there is too much sodium? can have weight gain, edema, distended neck veins, bounding pulse, high BP, difficulty breathing, crackles in lungs, and increased urine output
fluid volume overload
what happens when there is not enough fluid/insufficient hydration; excessive perspiration, fever, burns, hemorrhaging; can have weight loss, dizziness, confusion, dry lips, flat neck veins, slow cap, refill, decreased BP, decreased urine output, inelastic skin tugor
fluid volume deficit
fluid that is outside of the vein is what?
interstitial fluid
concentration of solute per volume of solution (mOsm/L)
osmolarity
what is the movement of particles?
diffusion
what is the movement of water?
osmosis
with active transport, _____ is needed
energy
what is the movement of water and particles?
filtration
when there is a high osmolarity of blood, the ______ signals that you are thirsty
hypothalamus
what stops you from urinating when there is a high osmolarity of the blood?
release of antidiuretic hormone
a patient with high osmolarity of the blood with have ______ BP
low
when a person is dehydrated, what hormone is relaesed?
ADH
if you have increased atrial natriuretic peptide (ANP), the body will....
excrete sodium
if you have decreased atrial natriuretic peptide, the body will...
retain sodium
so if the body has lots of water (low osmolarity), what will happen to atrial natriuretic peptide?
it will increase and sodium will be excreted
if the body has a high osmolarity (not much water), what will happen to atrial natriurectic peptide?
it will decrease and sodium will be retained in the body
what should blood pH be?
7.35 - 7.45
FYI...
an arterial sample of blood gives a more accurate blood pH
FYI...
the lower the number of pH, the more acidic
what is the range for CO2?
35 - 45 mmHg
is carbon dioxide an acid or base?
acid
is hydrogen an acid or base?
acid
is bicarbonate and acid or base?
base
what is the range for bicarbonate (HCO3)?
22 - 26 mEq/L
respiratory system controls only what?
CO2
Kidneys control what?
bicarb and hydrogen
if there is a respiratory problem, what compensates for that?
the kidneys
if there is a metabolic problem, what compensates for that?
respiratory system
fluid loss you can see is called what?
sensible fluid loss
fluid loss you can NOT see is called what?
insensible fluid loss
with fluid volume _____ , you can have increase pulse, hypotension, orthostatic changes; urine specific gravity increase and HCT increased
deficit
with fluid volume ______, you can have SOB, crackles, dyspnea, hypertension; decreased urine specific gravity and decreased HCT
excess
what is the normal range for sodium?
135-145 mEq/L
what is the normal range for Potassium?
3.5 - 5.0 mEq/L
what is the normal range for calcium?
4.5 - 5.5 mEq/L
what is the normal range for phosphate?
2.8 - 4.5 mg/dl
if you have increased Ca, then you have decreased what?
phosphate
if you have increased phosphate, then you have decreased what?
calcium
if you have increased potassium, then you have decreased what?
glucose
if you have increased glucose, then you have decreased what?
potassium
what is the normal range for magnesium?
1.5 - 2.5 mEq/L
what is the normal range for urine specific gravity?
1.010-1.020 (which equals 300 mOsm/L)
any substance capable of releasing hydrogen ions in solution
acid
movement of substances across a cell membrane against an electrochemical gradient
active transport
negatively charged ion
anion
stretch receptors located in major arteries and veins that monitor vascular volume
baroreceptor
any substance that can combine with and decrease hydrogen ions in solution
base (or alkali)
compound that helps stabilize the pH of a solution by neutralizing added base or acid
buffer
positively charged ion
cation
movement of molecules from an area of higher concentration to one of lower concentration
diffusion
chemical compound that dissociates into ions when in solution; usually refers to extracellular sodium, potassium, and chloride
electrolyte
body fluid outside the cells; mainly interstitial fluid and plasma
extracellular fluid
of greater concentration than in body fluids
hypertonic
fluid's effect on cell size
tonicity
of lower concentration than in body fluids
hypotonic
fluid between the cells
interstitial fluid
charged particle formed by the dissociation of electrolytes in a solution
ion