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Medical Assistant NCMA Practice Test

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In the hazard identification system, four small color-coded diamonds are grouped into a larger diamond. Numbers represent the severity of the hazard. What would the yellow diamond with the number 4 indicate?
  1. Yellow indicates a reactivity/stability hazard. The number 4 indicates no hazard.
  2. Yellow indicates a reactivity/stability hazard. The number 4 indicates extreme hazard.
  3. Yellow indicates a special hazard. The number 4 indicates a moderate hazard.
  4. Yellow indicates a flammability hazard. The number 4 indicates a mild hazard.
Explanation
Answer: B - Yellow indicates a reactivity/stability hazard. These are chemicals or substances capable of exploding or toxic chemical reactions. The number system is coded as zero (no hazard) through four (most hazardous). In the example, the yellow diamond with a number 4 indicates an extreme reactivity/stability hazard.
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