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TAYLORS FUNDAMENTALS OF NURSING CHAPTER 40 FLUID AND ELECTROLYTES 2025 to 2026 COMPLETE STUDY GUIDE REVIEW NOTES PRACTICE QUESTIONS and DETAILED RATIONALES

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This Taylor's Fundamentals of Nursing Chapter 40: Fluid and Electrolytes Study Guide provides a comprehensive review of the essential concepts related to fluid balance and electrolyte regulation in nursing practice. It includes organized chapter notes, key definitions, practice questions, and detailed rationales covering fluid compartments, osmosis, diffusion, filtration, acid-base balance, dehydration, fluid overload, and common electrolyte imbalances. The guide emphasizes nursing assessment, clinical manifestations, interventions, patient education, and laboratory value interpretation to strengthen clinical judgment. It is designed to help nursing students prepare for quizzes, chapter exams, HESI, ATI, and NCLEX-style assessments. This resource serves as an excellent companion for mastering fluid and electrolyte management and improving overall nursing exam performance.

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TAYLORS FUNDAMENTALS OF NURSING
CHAPTER 40 FLUID AND ELECTROLYTES
2025 to 2026 COMPLETE STUDY GUIDE
REVIEW NOTES PRACTICE QUESTIONS
and DETAILED RATIONALES




What causes hypervolemia (Isotonic overhydration) (3) -CORRECT
ANSWER-1. Inadequately controlled IV therapy (too fast)
2. CHF, kidney disease
3. Sodium overload


What does hypervolemia cause (7) -CORRECT ANSWER-1. edema
2. weight gain
3. crackles
4. distended neck veins
5. bounding pulse
6. increased urine output
7. increased BP


Fluid Volume Excess lab values -CORRECT ANSWER-decreased serum
osmolality ( \/ 285 mOsm/kg
decreased hematocrit ( \/ 45% males. \/ 37% females)
decreased Blood Urea Nitrogen (BUN) level ( \/ 12mg/dL)

, decreased serum sodium level ( \/ 135 mEq/L)
decreased urinary specific gravity ( \/ 1.002)


What kind of electrolyte is sodium? -CORRECT ANSWER-Major
extracellular electrolyte


Cation or Anion: Sodium -CORRECT ANSWER-Cation


What does Sodium do involving fluids? -CORRECT ANSWER-Regulates
ECF volume


What follows Sodium? -CORRECT ANSWER-Water


What is the importance of sodium in the body -CORRECT ANSWER-
Necessary for muscle contraction and transmission of nerve impulses


Hyponatremia lab value -CORRECT ANSWER-Na Less than 135mEq/L


Dilutional causes of Hyponatremia (3) -CORRECT ANSWER-1.
Increased fluid intake
2. IV's
3. tap water edemas


TRUE Causes of Hyponatremia (3) -CORRECT ANSWER-1. Vomiting
2. diarrhea
3. hemorrhage

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