Lab Values

Question 1

White Blood Cell Count

Answer 1

4500 to 11,000 cells/mm3

Question 2

Hemoglobin

Answer 2

12 to 16.5 g/dL

Question 3

RBC count

Answer 3

4 to 6 million cells/mm3

Question 4

Platelet count

Answer 4

150,000 to 400,000 cells/mm3

Question 5

Prothrombin time (PT)

Answer 5

10 to 14 seconds

2-2.5x control value with warfarin therapy

Question 6

International normalized ratio (INR)

Answer 6

2.0 to 3.0 for standard warfarin therapy

Question 7

Activated partial thromboplastin time (aPTT)

Answer 7

25 to 35 seconds

Question 8

D-dimer test

Answer 8

0–2.7 nmol/L

Question 9

Sodium

Answer 9

135 to 145 mEq/L

Question 10

Potassium

Answer 10

3.5 to 5.0 mEq/L

Question 11

Brain natriuretic peptides (BNP)

Answer 11

less than 100 pg/mL

Question 12

Albumin

Answer 12

3.4 to 5 g/dL

Question 13

Amylase

Answer 13

25 to 151 units/L

Question 14

Lipase

Answer 14

10 to 140 units/L

Question 15

LDL

Answer 15

lower than 130 mg/dL

Question 16

HDL

Answer 16

60 mg/dL and higher

Question 17

Fasting blood glucose

Answer 17

70 to 100 mg/dL normal; up to 130 with diabetes

Question 18

Glycosylated hemoglobin (HgbA1c)

Answer 18

Without diabetes: 4.5 to 6%
Prediabetes: 5.7 to 6.4%
Diabetes with good control: 7.5% or less
Diabetes with fair control: 7 to 8%
Diabetes with poor control: 8% or more

Question 19

Creatinine

Answer 19

0.6 to 1.3 mg/dL

Question 20

Blood urea nitrogen

Answer 20

8 to 25 mg/dL

Question 21

Magnesium

Answer 21

1.6 to 2.6 mg/dL

Question 22

Digoxin

Answer 22

0.5 to 2 ng/mL

Question 23

Lithium

Answer 23

0.5 to 1.3 mEq/L

Question 24

Dilantin

Answer 24

10 to 20 mcg/mL