Which health risk is applicable to workers in the retail sector?

1. exposure to toxic chemicals in cleaning agents

2. back injury due to incorrect sitting posture

3. contracting of blood-borne diseases

4. injuries associated with lifting loads

If one of your friends tries to get you to stay out later than your curfew, you should: a. go along with it because your parents are too strict anyway. b. yell at them about what a stupid idea it is. c. say you don't want to, but if they insist, you stay. d. tell them that you're going home, but they can stay out if they want to.

Which of these is likely to be the best source of valid health information?

The 1.5 mile run test and the 12 minute swim test are considered as what kind of test ?