Normal Lab Values

Question 0

Hematocrit

Answer 0

Male :40-53%

Female: 36-46%

Question 1

Hemoglobin

Answer 1

Male: 13-18
Female: 12-16

Question 2

Red blood cells

Answer 2

Male: 4.6- 6.2

Female: 4.2-5.4

Question 3

Platelets

Answer 3

150,000-450,000

Question 4

White blood cells

Answer 4

5,000-10,000

Question 5

BUN

Answer 5

8-20

Question 6

Creatine

Answer 6

0.6-1.2

Question 7

CO2

Answer 7

23-30

Question 8

Chloride

Answer 8

100-111

Question 9

Glucose

Answer 9

70-110

Question 10

Potassium

Answer 10

3.5-5 mEq/L; Hypokalemia = muscle weakness, paresthesias, dysrythmias, INCREASED sensitivity…

Question 11

Sodium

Answer 11

135-145 mEq/L; Hyponatremia = nausea, muscle cramps, confusion, increased IOP; Hypernatremia…

Question 12

pH

Answer 12

7.35-7.45

Question 13

Iron

Answer 13

W 15 mg iron/day, M 10 mg/day, 30 mg/day if pregnant

Question 14

Calcium

Answer 14

4.5-5.2 mEq/L; blood clotting, skeletal muscle contraction, PTH and Vit D regulate it; SEDATIVE…

Question 15

Magnesium

Answer 15

1.5-2.5 mEq/L (reflexes); acts as a DEPRESSANT; Hypomagnesemia = tremors, seizures, tetany,…

Question 16

Pa02 (partial pressure of oxygen)

Answer 16

80-100 mmHg

Question 17

Bicarbonate (HCO3)

Answer 17

Normal: 24- 30

• The test represents bicarbonate (the base form of the carbonic acid-bicarbonate buffer system)
• Decreased: acidosis
• Increased: alkalosis

Question 18

PaCO2

Answer 18

PaCO2 35-45 mm Hg

Question 19

pH

Answer 19

pH 7.35 - 7.45
Not a gas, but a measurement of acidity or alkalinity, based on the hydrogen (H+) ions present. The pH of a solution is equal to the negative log of the hydrogen ion concentration in that solution: pH = - log [H+]

Question 20

PaO2

Answer 20

PaO2 80 to 100 mm Hg.
The partial pressure of oxygen that is dissolved in arterial blood.
New Born – Acceptable range 40-70 mm Hg. Elderly: Subtract 1 mm Hg from the minimal 80 mm Hg level for every year over 60 years of age: 80 - (age- 60) (Note: up to age

Question 21

HCO3

Answer 21

HCO3 22 to 26 mEq/liter

The calculated value of the amount of bicarbonate in the bloodstream. Not a blood gas but the anion of carbonic acid.