Lab Values

Question 1

pH (range, category)

Answer 1

7.35-7.45
Arterial Blood Gases

Question 2

PO2 (range, category, meaning)

Answer 2

75-100 mmHg
Arterial Blood Gases
Partial Pressure of Oxygen

Question 3

PCO2 (range, category, meaning)

Answer 3

38-42 mmHg
Arterial Blood Gas
Partial Pressure of Carbon Dioxide

Question 4

HCO3 (range, category, meaning)

Answer 4

22-28 mEq/L
Arterial Blood Gases
Bicarbonate

Question 5

BUN (range, category, meaning)

Answer 5

7-22 mg/dL
Electrolytes
Blood Urea Nitrogen

Question 6

Total Cholesterol (range, category)

Answer 6

<200 mg/dL OR 3.5-5.5 mmol/L
Lipids

Question 7

Creatinine (range, category)

Answer 7

0.6-1.35 mg/dL
Electrolytes

Question 8

Glucose

Answer 8

4-7 mmol/L OR 80-130 mg/dL

Question 9

HBA1C

Answer 9

Non-diabetic: 4.5-6%
Diabetic: target = <7%; anyone >6.5% is considered diabetic

Question 10

Hematocrit (Males)

Answer 10

42-52%
CBC

Question 11

Hematocrit (Females)

Answer 11

35-47%
CBC

Question 12

Hemoglobin - Males (range, category, function)

Answer 12

14-18 g/dL
CBC
Transport oxygen

Question 13

Hemoglobin -Females (range, category, function)

Answer 13

12-16 g/dL
CBC
Transport of oxygen

Question 14

Platelets (range, category, function)

Answer 14

200,000 - 400,000
CBC
Clotting

Question 15

INR (range, category, meaning)

Answer 15

0.9-1.2
Coagulation Panel
Internalized Normalized Ratio

Question 16

Potassium (K)

Answer 16

3.5-5.0 mEq/L
Electrolytes

Question 17

Sodium (Na)

Answer 17

135-145 mEq/L
Electrolytes

Question 18

WBC (range, category, function)

Answer 18

5000-10,000
CBC
Fights infection

Question 19

PT (range, meaning, function)

Answer 19

11-15 seconds
Prothrombin time
Testing extrinsic coagulation (“Play Tennis”)

Question 20

aPTT (range, meaning, function)

Answer 20

20-36 seconds
Activated partial thromboplastin time
Testing intrinsic coagulation (“Play Table Tennis)