Normal Range Lab Values

Question 1

Hgb (hemoglobin)

Answer 1

Females: 12 - 16
Males: 14 - 18

To high: dehydration
To low: fluid overload

Question 2

Hct (hematocrit)

Answer 2

Females: 37% - 47%
Males: 42% - 52%

Too high: dehydration
Too low: fluid excess

Question 3

BUN

Answer 3

10-20

To high: dehydration
Too low: fluid overload

Question 4

Urine specific gravity

Answer 4

1.010 - 1.025

Too high: dehydration
Too low: fluid excess

Question 5

Calcium

Answer 5

9-10.5

Question 6

Phosphorus

Answer 6

3 - 4.5

Low: kidney failure, decease cardiac output, slow peripheral pulses

Question 7

Sodium

Answer 7

136 - 145

Question 8

pH

Answer 8

7.35-7.45

Question 9

Potassium

Answer 9

3.5-5

Question 10

Magnesium

Answer 10

1.3 - 2.1

Question 11

Creatinine

Answer 11

0.6 - 1.2

Question 12

Glucose

Answer 12

70 - 105

Question 13

HgbA1C

Answer 13

<6.5

Question 14

WBC

Answer 14

5000 - 10,000

Question 15

RBC

Answer 15

Men: 4.7-6.1
Women: 4.2-5.4

Question 16

Platelet

Answer 16

150,000 - 400,000

Question 17

pCO2

Answer 17

35-45 (flip on tic tac toe)

High pCO2 means acidosis
Low pCO2 means alkalosis

Question 18

pO2

Answer 18

80-100

Question 19

HCO3 (bicarbonate)

Answer 19

21-26

Question 20

PT

Answer 20

11-12.5 seconds

Question 21

INR

Answer 21

0.7-1.8
Therapeutic : 2-3

Question 22

PTT

Answer 22

30-40 seconds

Question 23

Digoxin

Answer 23

0.5-2.0

Question 24

Lithium

Answer 24

0.8-1.4

Question 25

Dilantin

Answer 25

10-20

Question 26

Theophylline

Answer 26

10-20