NCLEX-RN (1) Fundamentals Lab Values Flashcards Latest exam questions and accurate answers 2024-2025 Q1 Will normal lab values be provided on the Next Generation NCLEX exam? A Yes! It is still a good idea to memorize the values of common labs. 2 Q Lab value: sodium A 135 - 145 (mEq/L) Critical: < 120 or > 160 3 Q Lab value: chlorideA 98 - 106 (mEq/L) 4 Q Lab value: potassium A 3.5 - 5 (mmol/L) Critical: < 3 or > 6 5 Q Lab value: magnesium A 1.6 - 2.6 (mg/dL) 6 Q Lab value: calcium A 8.5 - 10.5 (mg/dL)7 Q Lab value: phosphorus A 2.5 - 4.5 (mg/dL) 8 Q Lab value: WBC (white blood cell) A 5,000 - 10,000 (mcL) Critical value: < 2,000 or > 40,000 9 Q Lab value: RBC: male and female (red blood cell) A male: 4.7 - 6.6 (mcL) female: 4.2 - 5.4 (mcL) 10 Q Lab value: Hgb: male, female, pregnant (hemoglobin) A male: 14-18 (g/dL) female: 12-16 (g/dL) pregnant: >11 (g/dL) 11 Q Lab value: Hct: male, female, pregnant (hematocrit) A male: 42 - 52% female: 37 - 47% pregnant: >33% 12 QLab value: platelets A 150,000 - 400,000