Lab values

Question 1

Sodium (Na+)

Answer 1

135-145 mEq/L

Question 2

Magnesium (Mg++)

Answer 2

1.6-2.6 mEq/L

Question 3

Potassium (K+)

Answer 3

3.5-5.3 mEq/L

Question 4

Calcium (Ca++)

Answer 4

8.2-10.2 mg/dL

Question 5

Chloride (Cl-)

Answer 5

97-107 mEq/L

Question 6

Blood Urea Nitrogen (BUN)

Answer 6

10-21 mg/100ml

Question 7

Creatinine

Answer 7

Adult Females- 0.51-1.11 mg/dL

Adult Male- o.61-1.21 mg/dL

Question 8

Glucose

Answer 8

<100 mg/dL check facility policy- some hospitals <70 requires further assessment/ intervention

Question 9

Albumin (Alb)

Answer 9

3. 7-5.1g/dL 20-40 yr old Adult
4. 4-4.8g/dL 41-60 yr old Adult
5. 2-4.6g/dL 61-90 yr old Adult

Question 10

White Blood Count (WBC)

Answer 10

4.5 -11.1-X1000mL

Question 11

Hemoglobin (Hgb)

Answer 11

Male- 12.6-17.4 g/dL

Female- 11.7-16.1 g/dL

Question 12

Hematocrit (Hct)

Answer 12

Male- 37-51%

Female-33-45%

Question 13

Hemoglobin A1c (Hgb A1c (non DM))

Answer 13

4-5.5%

Question 14

Platelets

Answer 14

150-450K

Question 15

pH

Answer 15

7.35-7.45

Question 16

Partial Pressure Oxygen (PaO2)

Answer 16

80-95 mm Hg

Question 17

Partial Pressure Carbon Dioxide (PaCO2)

Answer 17

34-45 mm Hg

Question 18

Oxygen Saturation (SaO2)

Answer 18

95-99%

Question 19

Bicarbonate (HCO3)

Answer 19

22-26 mEq/L

Question 20

Base Excess (BE)

Answer 20

-2 to -+3

Question 21

Specific Gravity (SG)

Answer 21

1. 001-1.029 (<1.001DI/>1.026 Dehydration)

1. 015-1.024- Normal Fluid Intake

Question 22

Prothrombin Time (PT)

Answer 22

10-13 Seconds

Question 23

International Normalized Ration (INR)

Answer 23

Less than 2 Patients not receiving anticoagulation therapy
2-3 with anticoagulation therapy
2.5-3.5 patients with mechanical heart valves/ recurrent embolism

Question 24

Partial Thromboplastin Time, Activated

Answer 24

25-35 seconds

Question 25

Aspartate Aminotransferase (AST)

Answer 25

20-40 units/L Male 20-49 yr
15-30 units/L female 20-49 yr
10-35 units/L >50 yr old adult

Question 26

Alanine Aminotransferase (ALT)

Answer 26

10-40 units/L Adult male <60 yr

7-35 units/L adult female

Question 27

High Sensitivity C-Reative Protein (Hs CRP)

Answer 27

<1 mg/dL low risk
1-3 mg/dL average risk
>10 mg/dL high risk