Question of
Conceptual & Mechanism Recall
This question evaluates foundational scientific comprehension, anatomical relationships, biochemical pathways, pharmacological targets, or diagnostic criteria.
💡 Focus:
Synthesize primary mechanisms, physiological cascades, and direct associations.
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High-Yield Learning Objective
Subject / Discipline
Unit / Module
Outstanding Board Performance! Examination Completed
Internship Prep: Clinical Haematology & Transfusion Medicine
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Standard Clinical Laboratory Reference Values
Serum Electrolytes & Renal Function
| Sodium (Na⁺) | 135 – 145 mEq/L |
| Potassium (K⁺) | 3.5 – 5.0 mEq/L |
| Chloride (Cl⁻) | 96 – 106 mEq/L |
| Bicarbonate (HCO₃⁻) | 22 – 28 mEq/L |
| Blood Urea Nitrogen (BUN) | 7 – 20 mg/dL |
| Serum Creatinine | 0.6 – 1.2 mg/dL |
| Fasting Blood Glucose | 70 – 99 mg/dL (3.9 – 5.5 mmol/L) |
| Serum Calcium | 8.5 – 10.5 mg/dL |
Complete Blood Count (CBC)
| Hemoglobin (Male) | 13.5 – 17.5 g/dL |
| Hemoglobin (Female) | 12.0 – 15.5 g/dL |
| WBC Count | 4,500 – 11,000 /µL |
| Platelet Count | 150,000 – 450,000 /µL |
| Mean Corpuscular Volume (MCV) | 80 – 100 fL |
Arterial Blood Gas (ABG)
| pH | 7.35 – 7.45 |
| PaCO₂ | 35 – 45 mmHg |
| PaO₂ | 80 – 100 mmHg |
| HCO₃⁻ | 22 – 26 mEq/L |
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