Which is the most important of the occupational diseases for time lost from the job
but usually not severe enough to warrant permanent disability?
a. Nervous system effect.
b. Skin diseases.
Cancer-producing liquid chemical.
d. Respiratory diseases from ingesting unsafe water.
The three types of measures used for the prevention and control of illnesses
arising from exposure to liquid chemicals are __________ control, __________
control, and _____________ control.
Personal control measures for the prevention and control of illnesses arising from
liquid chemicals are limited to the use of _______________, ________________,
Which organic insecticide solvent acts directly on the brain causing tremors,
dizziness, and convulsions?
a. Methyl chloroform.
b. Chlorinated hydrocarbons like DDT.
d. Sodium carbonate.
When a "ceiling" limit is assigned to certain toxic substances, it should:
a. Exceed when the threshold limit is reached.
b. Not be exceeded under any circumstances.
Change as circumstances change.
d. Be removed for fast acting substances.