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Laboratory Procedures & Safety Flashcards

7 cards from real NPS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Laboratory Procedures & Safety flashcards as text

  1. A technician spills a small amount of a non-hazardous liquid on the lab floor. What is the first step?

    Answer: Post a wet-floor warning and contain the spill with absorbent material

    Warning others and containing the spill prevents slips and spreading before cleanup.

  2. Which type of fire extinguisher is rated for energized electrical equipment?

    Answer: Class C

    Class C extinguishers use non-conductive agents suitable for electrical fires.

  3. How long should an eyewash station be used after chemical contact with the eyes?

    Answer: At least 15 minutes

    Standard guidance requires a continuous flush of at least 15 minutes.

  4. What does the 'R' in the RACE fire response acronym stand for?

    Answer: Rescue

    RACE stands for Rescue, Alarm, Contain, Extinguish/Evacuate.

  5. Which glove material is generally best for handling many organic solvents?

    Answer: Nitrile or solvent-specific resistant gloves

    Glove material must be matched to the chemical, and nitrile or specific resistant types outperform latex and cotton for many solvents.

  6. Where should sharps such as used needles be disposed of?

    Answer: Puncture-resistant sharps container

    Sharps must go into rigid puncture-resistant containers to prevent injury.

  7. Why should food and drink be kept out of laboratory work areas?

    Answer: To prevent ingestion of contaminants

    Food and drink can be contaminated by chemicals or biological agents and lead to ingestion exposure.

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