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WHMIS Quiz Detailed Answer Test 2024/2025
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Correctly match each word with the most appropriate definition a) a substance which damages the DNA of a person b) A material which on first exposure causes little or no reaction, but on repeated exposure may cause a marked reaction c) Effects occurring long after exposure to a substance d) A g...

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  • August 31, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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WHMIS Quiz Detailed Answer Test
2024/2025

Correctly match each word with the most appropriate definition

a) a substance which damages the DNA of a person

b) A material which on first exposure causes little or no reaction, but on repeated exposure may cause a
marked reaction

c) Effects occurring long after exposure to a substance

d) A general term for a group of diseases resulting from the uncontrolled growth of abnormal cells

e) A measure of toxicity. The concentration in air of a material which kills one half of a test group

f) The poisoning strength of a material

g) Effects occuring immediately or very soon after exposure

h) The time period between first exposure to a substance and the appearance of disease

1.Acute

2. Chronic

3. Sensitizer

4. Latency

5. LC50

6. Mutagen

7. Toxicity

8. Cancer

a) 6
b) 3
c) 2
d) 8
e) 5
f) 7

, g) 1
h) 4

Choose which definition correctly matches each TLV.

a) A 15 minute short term exposure allowed only 4 times a day at 15 minute intervals.

b) A maximum (ceiling) exposure limit, which cannot be exceeded

c) An exposure averaged over an 8 hour day or 40 hour week.

1.TWA

2.STEL

3.C

a) 2
b) 3
c) 1

What is a latency period?

a) Length of time it takes 100 ml to evaporate

b) Length of time that product is in storage

c) Time that elapses between exposure and the first manifestation of disease or illness

d) Time that elapses between manufacture date and shipping date

What is the correct definition of the upper explosive (flammable) limit of a substance?

a) The difference between the lower and upper flammable limits.

b) The lowest temperature at which a liquid gives off enough vapour to form an ignitable mixture with
air and produce a flame when a source of ignition is present.

c) The highest concentration of a material in air that will produce an explosion/fire or will ignite when it
comes into contact with an ignition source.

d) The lowest concentration of a material in air that will produce an explosion/fire or will ignite when it
comes into contact with an ignition source.

c

What do the letters SDS stand for?

Safety Data Sheet

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