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fluids/electrolytes

test 3

QuestionAnswer
third spacing collection of fluid found in space where there is no real use for the body
where can thrid spacing take place? pleural cavity, pericardium and abdomonal cavity
What is the most accurate way to assess fluid gain? daily weights
what is the fluid equivilent in pounds or kg gained? 2.2 lbs. or 1 kg equals 1 liter of fluid
important points in taking daily weights must be the same time of day, same type of clothing and same scales
on average about how much do we intake and output not including insensible losses and gains? 1500ml in and 1500ml out
urine production should be at least what? 30ml per hour somewhere (between 720 and 800ml in 24 hours)
three types of IV solutions isotonic, hypertonic, and hypotonic
isotonic solutions description, osmolarity, and examples equal concentration on both sides of the membrane; 270-290; Normal Saline, Lactated Ringers and D5W
hypotonic solutions description, osmolarity and examples water pulled into cell; less than 270; 1/2 NS, D2W
hypertonic solution description, osmolarity and examples water pulled out of cell; greater than 290; D5NS, D10W, D5LR, 1% NS, NSKCl
osmolarity for normal body is 270-290 based on sodium levels in the body
filtration is an example of what in the body? blood pressure and the kidneys filtration
example of active transport in the body glucose needs insulin to transport it into the cell
electrolytes substances whose molecules split into electrically charged particles when placed in water
cations electrolytes with positive charge
anion electrolytes with a negative charge
regulation fo fluid and electrolyte balance is done by the hypothalamus (thirst center)
Pituitary secretes what in relation to fluid balance? ADH- Anti-Diuretic Hormone- main function is to retain water-urine becomes more concentrated when it is secreted
adrenal glands secrete what in relation to fluid balance? aldosterone- maintains sodium balance- secreted in response to decrease in fluid vol., decreased serum sodium and high potassium levels
renal or kidnet regulation primary organ of fluid electrolyte balance
other regulators of fluids and electrolytes lungs, parathyroid, skin, heart, and GI tract
physical assessment in relation to fluid balance skin, turgor, mucous membranes, daily weights, vital signs
serious fluid loss in adults and infants 10%
fatal fluid loss in adults 20%
fatal infant fluid loss 15%
Created by: laceynickie