Question

1. a good general rule about hearing protection is that it should be used if you need someone to hear you when they are a. 2 feet (61 cm) away b. 3 feet (91 cm) away c. 5 feet (1.5 m) away d. 8 feet (2.4 m) away 22. when there is the potential to be exposed to asbestos, workers must a. don a respirator before disturbing the asbestos b. remove the asbestos as quickly as possible c. report it to a supervisor and avoid disturbing it d. call the emergency number to summon first responders 23. the respirator that would be used where dust or solid particles might be inhaled is a a. supplied air mask b. full facepiece mask with chemical canisters c. half mask or mouthpiece with a mechanical filter d. self - contained breathing apparatus 24. one source of lead on some job sites is a. water b. food c. blood d. paint 25. hepatitis can be caused by contact with a. lead b. asbestos c. blood d. chemicals 26. one of the symptoms of heat stroke is a. the body temperature drops by several degrees b. cool, pale, and moist skin c. extremely high body temperature d. heavy sweating 27. which of the following conditions is considered life threatening? a. heat stroke b. heat cramps c. frostbite d. heavy sweating

Explanation:

1. Hearing protection is needed when others can't hear you at 2 feet away due to high - noise levels.
2. Asbestos is dangerous, so workers should report it and avoid disturbing it.
3. A half - mask or mouthpiece with a mechanical filter is for dust/solid particles.
4. Paint can contain lead on job sites.
5. Hepatitis can be caused by contact with blood.
6. Heat stroke is characterized by extremely high body temperature.
7. Heat stroke is life - threatening among the given options.

Answer:

1. a. 2 feet (61 cm) away
2. c. report it to a supervisor and avoid disturbing it
3. c. half mask or mouthpiece with a mechanical filter
4. d. paint
5. c. blood
6. c. extremely high body temperature
7. a. Heat stroke