1. Each "hash mark" on the Q.E.D. device represents __________ % alcohol level.

2. The Q.E.D. quality assurance program requires a quality control test to be run:

3. A test indicating no alcohol present will have a pink-orange background with a positive QA spot.

4. Q.E.D. devices should be stored and used at room temperature.

5. The result of a Q.E.D. test should be read at _______ minutes.

6. A positive QA spot indicates the presence of alcohol

7. Q.E.D. gives a _______ result.

8. The two primary sources of error with the Q.E.D. device are failure to (check all that apply)

9. If air bubbles appear in the capillary, the test must be considered invalid.