Lab Math

1. Normal adult blood volume is 70 mL per kilogram. You weigh 130 lb. What is your blood volume?

• A. 1300 mL

• B. 1.3 L

• C. 59 kg

• D. 4.1 L

2.If room temperature is 77o F, what is the temperature in centigrade?

• A. 20

• B. 25

• C. 32

• D. 37

3. A blood culture bottle containing 45 mL of media require a 1:10 dilution of specimen. How much blood should be added?

• A. 4mL

• B. 5mL

• C. 8mL

• D. 10mL

4. One teaspoon is approximately:

• A. 1 mL

• B. 5mL

• C. 10mL

• D. 15mL

5.Your requisition says that a specimen is to be drawn at 1530. What time would that be in 12-hour time?

• A. 1:30 AM

• B. 3:30 PM

• C. 5:30 AM

• D. 7:30PM

6. If a red blood cell is 8 µm in diameter, what is its size in millimeters? 

• A. .8

• B. .08

• C. .008

• D. .0008

7.What does 2.2 pounds (lb) equal in the metric system? 

• A. 1kg

• B. 44kg

• C. 100g

• D. 454kg

 8. 200 µL is equal to: 

• A. 2mL

• B. 0.2mL

• C. 0.02mL

• D. 0.0002mL

9. 10 cc of blood equals approximately: 

• A. 1mL of blood

• B. 5mL of blood

• C. 10mL of blood

• D. There is no relationship between cc and mL

10. 1.2 kg is equal to how many grams? 

• A.12

• B.120

• C.1,200

• D.12,000