Ch.42 Fluid, Electrolyte, and Acid-Base Balance (F) Flashcards
What does volume refer to?
fluid amount
What does osmolality refer to?
concentration
What does electrolyte concentration refer to?
composition
What does pH refer to?
degree of acidity
What is the percentage of water-related to bodyweight?
60%
What is an electrolyte?
a compound that separates into ions when dissolved in water
What is the normal range of Na?
136-145
What is the normal range of K?
3.5-5.0
What is the normal range of pH?
7.35-7.45
what is the normal range of PaCO2?
35-45
What is the normal range of PaO2?
80-100
What is the normal range of O2 saturation?
95%-100%
What is the normal range of base excess?
-2 to +2
What is osmolality?
the measure of the # of particles/kg of water
What is an isotonic solution?
The amount of H2O transported INTO the cell = The amount of H2O transported OUT of cell
What is a hypotonic solution?
cell swells
What is a hypertonic solution?
Cell shrinks
What is active transport?
Requires energy to move electrolytes to a HIGHer concentration
What is diffusion?
High to LOW
What is osmosis?
Movement of H2O through a semipermeable membrane into an area with HIGH concentration that tends to cause equilibrium on both sides
What are the 4 organs that participate in fluid output?
1) Skin
2) GI tract
3) Lungs
4) Kidneys
Which organ is the major fluid regulator?
Kidneys
What is the function of the Antidiuretic hormone?
regulates how much H2O is excreted in urine
What is the function of the Renin-Angiotensin-Aldosterone system?
influences how much H2O & salt is excreted in urine
What is hypernatremia?
Water deficit; INCREASE in Na
What is hyponatremia?
Water excess; DECREASE in Na
What is hypokalemia?
Low K levels in blood
What is hyperkalemia?
High K levels in blood
What is hypocalcemia?
Low Ca levels in blood
What is hypercalcemia/
High Ca levels in blood
What is hypomagnesemia?
Low Mg levels in blood
What is hypermagnesemia.
High Mg levels in blood
What are buffers?
Pairs of chemicals that work together to maintain NORMAL levels of pH
What type of acid do the lungs excrete?
carbonic acid
What type of acid do the kidneys excrete?
Metabolic acid
What is acidosis?
blood is too acidic
What is alkalosis?
blood is too basic
what is respiratory acidosis?
Lungs are unable to excrete enough CO2
What is respiratory alkalosis?
Lungs excrete too much carbonic acid -water & CO2-
What is metabolic acidosis?
INCREASE in metabolic acid or DECREASE in bicarbonate
What is metabolic alkalosis?
INCREASE in bicarbonate or DECREASE in metabolic acid
What type of imbalance do burns cause?
metabolic acidosis
A person with type O, who can receive?
O, A, B, AB
A person with type A, who can receive?
A, AB
A person with type B, who can receive?
B, AB
A person with type AB, who can receive?
AB
What can a person with the Rh-negative factor receive?
Rh-negative
What is the normal range of WBC?
5,000-10,000
What is the normal range for Hbg?
females: 12-16
Male: 14-18
What is the normal range for Hct?
Female: 36%-47%
Male: 40%-52%
What is the normal range for platelets?
150,000-400,000