Questions and Answers
What is the definition of serum electrolyte?
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?
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What is the normal range for chloride in mEq/L?
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What is the normal magnesium level range in mEq/L?
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What is the normal phosphorus level range in mg/dL?
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What is hematology?
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What is the normal range for RBC in million?
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What is the normal range for WBC?
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What is the normal platelet count (Plt)?
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What is the normal range for hemoglobin (Hgb) in women in grams?
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What is the normal range for hemoglobin (Hgb) in men in grams?
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What are ABG values a measurement of?
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What is the normal range for HCO3 in mEq/L?
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What is the normal range for CO2 in mEq/L?
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What is the normal range for PaO2 percentage?
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What is the normal SaO2 percentage?
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What is the normal glucose level range in mg/dL?
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What is the normal specific gravity range?
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What is the normal range for BUN in mg/dL?
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What is the normal range for serum creatinine in mg/dL?
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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.