216 exam #2 Flashcards
What fraction of total body water is extracellular fluid (ECF)?
1/3
What fraction of total body water is intracellular fluid (ICF)?
2/3
What percent of body weight does intracellular fluid make up?
About 40%
What is the most common ion in intracellular fluid?
Potassium
Where is interstitial fluid (ISF) located?
Between vessels & cells
What fraction of ECF is interstitial
Fluid?
2/3
What fraction of ECF is intravascular space fluid?
1/3
What is hydrostatic pressure?
Force of fluid pressure in bloodstream
What is osmotic pressure?
Pressure by solutes in solution
What is on oncotic pressure?
Pressure due to albumin in blood
Which type of pressure is referred as to “pushing pressure”?
Hydrostatic pressure
Which type of pressure is referred as to “pulling pressure”?
Osmotic pressure
Which type of pressure is referred as to “colloid pressure”?
Oncotic pressure
What is hypovolemia?
- Low blood volume (dehydration)
- RAAS is activated
Which type of fluid is in plasma (RBCs, electrolytes, proteins)?
Intravascular space
What is osmotic pressure?
Pressure by solutes in solution
What is oncotic pressure?
Pressure due to albumin in blood
What is the appropriate range for sodium?
135-145 mEq/L