Lab Values

Question 1

RBC

Answer 1

4.5-6.2 mm

Question 2

Total WBC

Answer 2

5,000-10,000

Question 3

Platelets

Answer 3

150,000-400,000

Question 4

Hematocrit

Answer 4

40-54%

Question 5

Hemoglobin

Answer 5

13.5-18 g/dL

Question 6

Calcium

Answer 6

9-10.5 mg/dL

Question 7

CO2

Answer 7

20-30 mEq/L

Question 8

Chloride

Answer 8

98-106 mEq/L

Question 9

Potassium (K+)

Answer 9

3.5-5 mEq/L

Question 10

Glucose

Answer 10

74-106 mg/dL

Question 11

Magnesium

Answer 11

1.3-2.1 mg/dL

Question 12

Sodium (Na+)

Answer 12

135-145 mEq/L

Question 13

BUN

Answer 13

8-25 mg/dL

Question 14

Creatinine

Answer 14

0.6-1.3 mg/dL

Question 15

HCO3 (bicarbonate)

Answer 15

22-26 mEq/L

Question 16

PT

Answer 16

11-12.5 seconds

Question 17

PTT

Answer 17

30-40 seconds
Therapeutic Heparin 1.5-2X of control value (46-70 sec); >100 sec is critical therefore,
Antidote - Protamine Sulfate

Question 18

PTT antidote

Answer 18

Protamine Sulfate

Question 19

INR antidote

Answer 19

Vitamin K - shortens clotting time

Question 20

INR

Answer 20

0.8-1.2
2-3 sec = therapeutic Warfarin

Question 21

Lactic Acid

Answer 21

0.6-2.2 mmol/L

Question 22

pH

Answer 22

7.35-7.45

Question 23

PaO2

Answer 23

80-100 mm/Hg

Question 24

PaCO2

Answer 24

35-45 mmHg

Question 25

HCO3

Answer 25

21-28 or 22-26 mEq/L

Question 26

SpO2

Answer 26

95-100%