Back to AI Flashcard MakerNursing /Fundamentals of Nursing Exam 3: Chapter 41 Part 1
What is the percentage of total body water that is typically between 50% and 60% of body weight?
50%; 60%
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Key Terms
Term
Definition
What is the percentage of total body water that is typically between 50% and 60% of body weight?
50%; 60%
What does ICF stand for?
ICF stands for Intracellular Fluid.
What percentage of ICF is made up of water?
70%
What does ECF stand for?
ECF stands for Extracellular Fluid.
What percentage of ECF is made up of water, and what fluids does it include?
ECF makes up 30% and includes intravascular and interstitial fluids.
What is the normal range for sodium (Na) electrolytes?
135-145 mEq/L
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| Term | Definition |
|---|---|
What is the percentage of total body water that is typically between 50% and 60% of body weight? | 50%; 60% |
What does ICF stand for? | ICF stands for Intracellular Fluid. |
What percentage of ICF is made up of water? | 70% |
What does ECF stand for? | ECF stands for Extracellular Fluid. |
What percentage of ECF is made up of water, and what fluids does it include? | ECF makes up 30% and includes intravascular and interstitial fluids. |
What is the normal range for sodium (Na) electrolytes? | 135-145 mEq/L |
What is the normal range for potassium (K)? | 3.5-5 mEq/L |
What is the normal range for calcium (Ca)? | 8.6-10.2 mg/dL |
What is the normal range for magnesium (Mg)? | 1.3-2.3 mEq/L |
Fluid volume deficit can be either a deficit of electrolytes or a deficit of distribution. What is the term for a deficit of distribution? | Third-space fluid shift |
What is hypovolemia? | Hypovolemia is a deficiency in the amount of water and electrolytes in ECF with near-normal water/electrolyte proportions. |
What is third-space fluid shift? | Third-space fluid shift is the distributional shift of body fluids into potential body spaces. |
What is dehydration? | Dehydration is decreased volume of water and electrolyte change. |
What type of dehydration is indicated by water loss equal to sodium loss? | Isotonic dehydration |
What are causes of isotonic dehydration? | Vomiting and diarrhea |
What is used to diagnose isotonic dehydration? | A CBC (complete blood count) is used for isotonic dehydration. |
What are the expected sodium levels (mEq/L) for isotonic dehydration? | 130-150 mEq/L |
What type of dehydration is indicated by more sodium inside the cells than outside, with fluid being pushed into the cells? | Hyponatremic dehydration |
What are causes of hyponatremic dehydration? | Severe, prolonged vomiting and diarrhea, renal disease, burns, diluted formula, iv hypo electrolyte fluids |
What are the expected sodium (mEq/L) levels for hyponatremic dehydration? | <130 mEq/L |
What is used to diagnose hyponatremic dehydration? | Chem 10 and serum specific gravity are used for hyponatremic dehydration. |
What type of dehydration is indicated by more sodium outside the cells than inside? | Hypernatremic dehydration |
What are causes of hypernatremic dehydration? | Diabetes insipidus, concentrated formula, and iv hyperelectrolyte fluids |
What are the expected sodium (mEq/L) levels for hypernatremic dehydration? | >150 mEq/L |