Exam Strategy Diagnostic

Answer 20 questions using 5 different reading strategies. Discover which approach gets YOU the most correct answers.

Item 1 of 20 Step 1
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Laboratory Reference Values
Serum Chemistry
Sodium136–145 mEq/L
Potassium3.5–5.0 mEq/L
Chloride98–106 mEq/L
Bicarbonate22–28 mEq/L
BUN7–20 mg/dL
Creatinine0.7–1.3 mg/dL
Glucose (fasting)70–100 mg/dL
Calcium8.5–10.5 mg/dL
Phosphorus2.5–4.5 mg/dL
Magnesium1.5–2.5 mg/dL
Uric acid3.0–8.0 mg/dL
Hepatic Panel
AST10–40 U/L
ALT7–56 U/L
Alk Phos44–147 U/L
Total bilirubin0.1–1.2 mg/dL
Direct bilirubin0.0–0.3 mg/dL
Albumin3.5–5.0 g/dL
Total protein6.0–8.0 g/dL
Hematology
WBC4,500–11,000/µL
Hemoglobin (M/F)13.5–17.5 / 12.0–16.0
Hematocrit (M/F)38–50% / 36–44%
Platelets150,000–400,000/µL
MCV80–100 fL
Reticulocyte count0.5–1.5%
ESR (M/F)0–15 / 0–20 mm/hr
Coagulation
PT11–13.5 sec
INR0.8–1.2
PTT25–35 sec
Fibrinogen200–400 mg/dL
D-dimer<0.5 µg/mL
Lipid Panel
Total cholesterol<200 mg/dL
LDL<100 mg/dL
HDL>40 mg/dL
Triglycerides<150 mg/dL
Endocrine
TSH0.5–5.0 mIU/L
Free T40.7–1.9 ng/dL
HbA1c<5.7%
Cortisol (AM)5–25 µg/dL
CSF
Pressure6–18 cm H₂O
WBC0–5/µL
Protein15–45 mg/dL
Glucose40–70 mg/dL
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