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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. Which biosafety level (BSL) is appropriate for work with agents that pose minimal hazard to healthy adults?

    Answer: BSL-1

    BSL-1 covers well-characterized agents not known to consistently cause disease in healthy adults.

  2. What is the correct way to sterilize most laboratory biohazard waste before disposal?

    Answer: Autoclave it

    Autoclaving uses pressurized steam to kill microorganisms effectively.

  3. Which standard governs bloodborne pathogen protection in U.S. workplaces?

    Answer: OSHA 29 CFR 1910.1030

    OSHA's Bloodborne Pathogens Standard requires exposure control plans and protections.

  4. What is the best first response after a needlestick injury?

    Answer: Wash the site with soap and water, then report it immediately

    Prompt washing and reporting enables timely medical evaluation and follow-up.

  5. What does the NFPA 704 diamond's red quadrant indicate?

    Answer: Flammability

    In NFPA 704, red denotes flammability, blue health, yellow instability.

  6. Why must lab coats be removed before leaving the laboratory area?

    Answer: To avoid carrying contaminants to clean areas

    Removing protective clothing prevents spreading contamination to offices, break rooms, and home.

  7. How should chemical waste containers be managed in a satellite accumulation area?

    Answer: Kept closed, labeled, and compatible with contents

    Regulations require closed, labeled, compatible containers for hazardous waste.

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