Lab Values

Question 1

Creatinine Kinase (CK)

Answer 1

50-204 U/L male
36-160 U/L female
Monitor myocardial infarction, monitor muscle function

Question 2

CK-MB

Answer 2

0-2.5

Detect myocardial infarction

Question 3

Troponin

Answer 3

<0.05 ng/mL

Detect myocardial infarction

Question 4

Brain Natriuretic Peptides (BNP)

Answer 4

<100 ng/mL

Determine presence of heart failure

Question 5

RBC: red blood cell

Answer 5

4.7-6.1 cells /mcL

Assess RBC levels

Question 6

Urine Specific Gravity

Answer 6

1.001-1.029

Assess urine concentration

Question 7

Blood Urea Nitrogen (BUN)

Answer 7

10-31 mg/dL

Assess renal function and hydration

Question 8

Creatinine

Answer 8

0.5-1.2 mg/dL

Assess renal function and hydration

Question 9

Ammonia

Answer 9

27-102 mcg/dL

Assess liver disease

Question 10

Lipase

Answer 10

0-60 units/L

Assess pancreatic disorders

Question 11

Chloride

Answer 11

97-107 mEq/L

Monitor electrolyte balance

Question 12

Protein, Urine

Answer 12

30-150 mg/24 hour

Evaluate kidney function

Question 13

Triglycerides

Answer 13

Less than 150 mg/dL

Evaluate cardiovascular disease

Question 14

Low Density Lipoprotein (LDL)

Answer 14

<100 mg/dL

Assess cardiovascular risk

Question 15

PCO2

Answer 15

35-45

Assess amount of dissolved CO2 in blood

Question 16

Apartate Aminotransferase (AST)

Answer 16

10-40 units/L

Assess liver function

Question 17

Lactate Dehydrongenase (LDH)

Answer 17

90-176 units/L

Assess myocardial or skeletal damage

Question 18

Bilirubin

Answer 18

Adult <1.2 mg/dL

Assess liver function

Question 19

Alanine aminotransferase (ALT)

Answer 19

Male: 10-40 units/L
Female: 7-35 units/L
Assess liver function

Question 20

White Blood Cell count (WBC)

Answer 20

Adult: 4.5-11.1 x 0^3/microL

Monitor for infection

Question 21

Platelets

Answer 21

150,000-400,000 x 10^3 microL

Assess clotting factors

Question 22

Partial Thromboplastin ptt/aptt

Answer 22

25-35 seconds

Assess clotting factors

Question 23

Hemoglobin (Hgb)

Answer 23

Male 13.2-17.3 g/dL
Female: 11.7-16.1 g/dL
Assess hematological status

Question 24

Hematocrit (HCT)

Answer 24

Men: 38-51%
Female: 33-45%
Assess hematological status

Question 25

Albumin

Answer 25

3.4-4.8 g/dL

Assess liver or kidney function/ nutritional status

Question 26

Glycosolated Hemoglobin (HgbA1C)

Answer 26

4.0-5.5%

Assess long term control of blood sugar levels

Question 27

Amylase

Answer 27

30-110 units/L

Assess pancreas function

Question 28

PO2

Answer 28

80-100

Assess oxygenation

Question 29

Urine pH

Answer 29

5.0-9.0

Monitor fluid balance

Question 30

HCO3

Answer 30

22-26 mEq/L

Monitor electrolyte balance

Question 31

Glucose

Answer 31

Adult random: <200mg/dL
Adult fasting: <100mg/dL
Assess blood sugar levels

Question 32

Cholesterol

Answer 32

<200mg/dL

Assess risk of CV disease

Question 33

HDL High Density Lipoprotein

Answer 33

> 60 mg/dL

Assess cholesterol levels

Question 34

CD4+, T-cell

Answer 34

500-1,500 cells mm^3

Monitor HIV status

Question 35

PT/INR

Answer 35

PT: 10-13 Seconds
INR: 2.5-3.5 Seconds
Assess clotting factor

Question 36

Sodium

Answer 36

35-45 mEq/L

Monitor electrolyte balance

Question 37

Potassium

Answer 37

3.5-5.0 mEq/L

Monitor electrolyte balance

Question 38

Calcium

Answer 38

8.5-10.5mg/dL

Monitor electrolyte balance

Question 39

Phosphate

Answer 39

2.5-4.5 mg/dL

Monitor electrolyte balance

Question 40

Magnesium

Answer 40

1.3-2.1 mEq/L

Monitor electrolyte balance