NCLEX-PN Study Guide Flashcards
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Questions and Answers

What is the definition of serum electrolyte?

  • A blood test that measures the main electrolytes in the body (correct)
  • A blood test for cholesterol levels
  • A test measuring kidney function
  • A test for blood glucose levels

    • What is the normal range for sodium in mEq/L?

    135-145 mEq/L

    What is the normal potassium level range in mEq/L?

    3.5-5.5 mEq/L

    What is the normal range for calcium in mg/L?

    <p>8.5-10.9 mg/L</p> Signup and view all the answers

    What is the normal range for chloride in mEq/L?

    <p>95-105 mEq/L</p> Signup and view all the answers

    What is the normal magnesium level range in mEq/L?

    <p>1.5-2.5 mEq/L</p> Signup and view all the answers

    What is the normal phosphorus level range in mg/dL?

    <p>2.5-4.5 mg/dL</p> Signup and view all the answers

    What is hematology?

    <p>Study of blood: RBC, WBC, Plt, Hgb</p> Signup and view all the answers

    What is the normal range for RBC in million?

    <p>4.5-5.0 million</p> Signup and view all the answers

    What is the normal range for WBC?

    <p>5,000-10,000</p> Signup and view all the answers

    What is the normal platelet count (Plt)?

    <p>200,000-400,000</p> Signup and view all the answers

    What is the normal range for hemoglobin (Hgb) in women in grams?

    <p>12-16 gms</p> Signup and view all the answers

    What is the normal range for hemoglobin (Hgb) in men in grams?

    <p>14-18 gms</p> Signup and view all the answers

    What are ABG values a measurement of?

    <p>Arterial blood gas</p> Signup and view all the answers

    What is the normal range for HCO3 in mEq/L?

    <p>24-26 mEq/L</p> Signup and view all the answers

    What is the normal range for CO2 in mEq/L?

    <p>35-45 mEq/L</p> Signup and view all the answers

    What is the normal range for PaO2 percentage?

    <p>80%-100%</p> Signup and view all the answers

    What is the normal SaO2 percentage?

    <blockquote> <p>95%</p> </blockquote> Signup and view all the answers

    What is the normal glucose level range in mg/dL?

    <p>70-110 mg/dL</p> Signup and view all the answers

    What is the normal specific gravity range?

    <p>1.010-1.030</p> Signup and view all the answers

    What is the normal range for BUN in mg/dL?

    <p>7-22 mg/dL</p> Signup and view all the answers

    What is the normal range for serum creatinine in mg/dL?

    <p>0.6-1.35 mg/dL</p> Signup and view all the answers

    Study Notes

    Serum Electrolytes

    • Essential blood test measuring key electrolytes in the body.
    • Main electrolytes include sodium, potassium, calcium, chloride, magnesium, phosphorus.

    Sodium

    • Normal range: 135-145 mEq/L.
    • Crucial for fluid balance, nerve transmission, and muscle function.

    Potassium

    • Normal range: 3.5-5.5 mEq/L.
    • Vital for heart function, muscle contraction, and nerve signaling.

    Calcium

    • Normal range: 8.5-10.9 mg/L.
    • Important for bone health, muscle function, and blood clotting.

    Chloride

    • Normal range: 95-105 mEq/L.
    • Assists in maintaining fluid balance and acid-base balance.

    Magnesium

    • Normal range: 1.5-2.5 mEq/L.
    • Plays a role in muscle and nerve function, and energy production.

    Phosphorus

    • Normal range: 2.5-4.5 mg/dL.
    • Involved in energy storage, bone health, and cellular function.

    Hematology

    • The study of blood components, including red blood cells (RBC), white blood cells (WBC), platelets (Plt), and hemoglobin (Hgb).

    Red Blood Cells (RBC)

    • Normal range: 4.5-5.0 million cells per microliter.
    • Responsible for transporting oxygen throughout the body.

    White Blood Cells (WBC)

    • Normal range: 5,000-10,000 cells per microliter.
    • Key role in immune defense against infections.

    Platelet Count (Plt)

    • Normal range: 200,000-400,000 cells per microliter.
    • Crucial for blood clotting and wound healing.

    Hemoglobin (Hgb) for Women

    • Normal range: 12-16 g/dL.
    • Protein in RBC that carries oxygen.

    Hemoglobin (Hgb) for Men

    • Normal range: 14-18 g/dL.
    • Essential for oxygen delivery to tissues.

    Arterial Blood Gas (ABG) Values

    • Critical for assessing respiratory and metabolic functions.

    HCO3 (Bicarbonate)

    • Normal range: 24-26 mEq/L.
    • Important for maintaining pH balance in the body.

    CO2 (Carbon Dioxide)

    • Normal range: 35-45 mEq/L.
    • Indicates respiratory function and metabolic rate.

    PaO2 (Partial Pressure of Oxygen)

    • Normal range: 80%-100%.
    • Reflects the amount of oxygen dissolved in blood.

    SaO2 (Oxygen Saturation)

    • Normal threshold: greater than 95%.
    • Percentage of hemoglobin saturated with oxygen.

    Glucose

    • Normal range: 70-110 mg/dL.
    • Main energy source for the body; monitoring is essential for diabetes management.

    Specific Gravity

    • Normal range: 1.010-1.030.
    • Indicates kidney function and hydration status through urine concentration.

    Blood Urea Nitrogen (BUN)

    • Normal range: 7-22 mg/dL.
    • Provides information on kidney function and protein metabolism.

    Serum Creatinine

    • Normal range: 0.6-1.35 mg/dL.
    • Measurement of kidney function and muscle metabolism.

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    Description

    This quiz focuses on key terms related to serum electrolytes, essential for nursing students preparing for the NCLEX-PN exam. Each card provides a definition and normal value ranges for critical electrolytes such as sodium, potassium, and calcium. Perfect for quick review or study sessions.

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