Lab Levels

Question 1

Hemoglobin (Hgb)

Answer 1

Men: 13.5-18 g/dL

Women: 12-16 g/dL

Question 2

Hematocrit (HCT)

Answer 2

Men: 40-54%

Women: 38-47%

Question 3

RBC

Answer 3

Men: 4.6-6.2 mil/mm3

Women: 4.2-5.4 mil/mm3

Question 4

Mean Corpuscular volume (MCV)

Average volume of RBCs [Hct/RBCs x 1000]

Answer 4

76-100 µm3

Question 5

Mean Corpuscular Hemoglobin (MCH)

Average mass of hemoglobin per RBC

Answer 5

27-33 pg

Question 6

Mean Corpuscular Hemoglobin Concentration (MCHC)

Concentration of hemoglobin in given volume of packed RBCs [Hgb/Hct]

Answer 6

33-37 g/dL

Question 7

Erythrocyte sedimentation rate (ESR)

Answer 7

Men: ≤20 mm/hr

Women: ≤30 mm/hr

Question 8

Leukocytes (WBC)

Answer 8

5000-10,000/mm3

Question 9

Neutrophils

Answer 9

54-75% (3000-7500/mm3)

Question 10

Bands

Answer 10

3-8% (150-700/mm3)

Question 11

Eosinophils

Answer 11

1-4% (50-400/mm3)

Question 12

Basophils

Answer 12

0-1% (25-100/mm3)

Question 13

Monocytes

Answer 13

2-8% (100-500/mm3)

Question 14

Lymphocytes

Answer 14

25-40% (1500-4500/mm3)

Question 15

T lymphocytes

Answer 15

60-80% of lymphocytes

Question 16

B lymphocytes

Answer 16

10-20% of lymphocytes

Question 17

Platelets

Answer 17

150,000-450,000/mm3

Question 18

Prothrombin time (PT)

Answer 18

Men: 9.6-11.8 sec

Women: 9.5-11.3 sec

Question 19

Partial thromboplastin time (PTT)

Answer 19

30-45 sec

Question 20

Bleeding time

Answer 20

Duke: 1-3 min

Ivy: 3-6 min

Template: 3-6 min

Question 21

Sodium

Answer 21

135-145 mEq/L

Question 22

Potassium

Answer 22

3.5-5.0 mEq/L

Question 23

Chloride

Answer 23

95-105 mEq/L

Question 24

Bicarbonate (HCO3)

Answer 24

19-25 mEq/L

Question 25

Total Calcium

Answer 25

9-11 mg/dL or 4.5-5.5 mEq/L

Question 26

Ionized calcium

Answer 26

4.2-5.4 mg/dL or 2.1-2.6 mEq/L

Question 27

Phosphorous/phosphate

Answer 27

2.4-4.7 mg/dL

Question 28

Magnesium

Answer 28

1.8-3.0 mg/dL or 1.5-2.5 mEq/L

Question 29

Glucose

Answer 29

65-99 mg/dL

Question 30

Osmolality

Answer 30

285-310 mOsm/kg

Question 31

Ammonia (NH3)

Answer 31

10-80 mcg/dL

Question 32

Amylase

Answer 32

≤130 U/L

Question 33

Creatine phosphokinase total (CK, CPK)

Answer 33

8-150 IU/L

Question 34

Creatine kinase isoenzymes, MB fraction

Answer 34

> 5% in MI

Question 35

Lactic dehydrogenase (LDH)

Answer 35

50-150 U/L

Question 36

Protein, total

Answer 36

6-8 g/d

Question 37

Albumin

Answer 37

4-6 g/dL

Question 38

AST (aspartate aminotransferase)

SGOT

Answer 38

Men: 8-46 U/L

Women: 7-34 U/L

Question 39

ALT (alanine aminotransferase)

SGPT

Answer 39

10-30 IU/mL

Question 40

Total bilirubin

Answer 40

0.3-1.2 mg/dL

Question 41

Conjugated bilirubin

Answer 41

0.0-0.2 mg/dL

Question 42

Unconjugated (indirect) bilirubin

Answer 42

0.2-0.8 mg/dL

Question 43

Alkaline phosphatase

Answer 43

20-90 U/L

Question 44

BUN (blood urea nitrogen)

Answer 44

6-20 mg/dL

Question 45

Creatinine

Answer 45

Men: 0.6-1.3 mg/dL

Women: 0.5-1.0 mg/dL

Question 46

Uric acid

Answer 46

Men: 4.0-8.5 mg/dL

Women: 2.7-7.3 mg/dL

Question 47

pH

Answer 47

7.35-7.45

Question 48

P(O2)

Answer 48

80-100 mmHg

Question 49

P(CO2)

Answer 49

35-45 mmHg

Question 50

O2 saturation

Answer 50

95-97%

Question 51

Base excess

Answer 51

+2-(-2)

Question 52

Bicarbonate (HCO3-)

Answer 52

22-26 mEq/L

Question 53

Total cholesterol

Question 54

HDL

Answer 54

> 35 mg/dL

Negative risk factor >60 mg/dL

Question 55

Triglycerides

Answer 55

Normal 499 mg/dL