Biohazard And Needle-Stick Exposure Response - NCLEX Pn

1. What is the key counseling point during follow-up after a bloodborne pathogen exposure?

   Use risk-reduction precautions until cleared by follow-up testing. Precautions like barrier protection and avoiding blood donation prevent secondary transmission during the window period before test confirmation.

2. What is the correct immediate action after a splash exposure to the eyes?

   Irrigate eyes with water or saline immediately. Immediate irrigation flushes out potentially infectious material from mucous membranes to reduce the risk of bloodborne pathogen absorption.

3. Which exposure generally warrants HIV PEP consideration: percutaneous blood exposure or saliva on intact skin?

   Percutaneous blood exposure. Percutaneous exposures involve higher inoculum and direct vascular access, meeting criteria for PEP evaluation per CDC guidelines.

4. What information must be documented in an occupational exposure report?

   Time, route, device, fluid, source info, and actions taken. Comprehensive documentation supports risk assessment, legal compliance, and guides follow-up care for potential bloodborne infections.

5. What is the correct sharps disposal action immediately after use?

   Place directly into a puncture-resistant sharps container. Immediate disposal in designated containers prevents accidental injuries and complies with OSHA regulations for safe sharps handling.

6. What is the purpose of baseline testing after an occupational blood exposure?

   Determine pre-exposure infection status for follow-up comparison. Baseline serology establishes the exposed person's status for HIV, HBV, and HCV, enabling detection of seroconversion in subsequent tests.

7. Which action is appropriate if blood splashes onto a countertop in the patient room?

   Don PPE; clean then disinfect with an approved agent. PPE protects during cleanup, and sequential cleaning followed by disinfection eliminates viable pathogens from environmental surfaces.

8. Which action is the immediate first step after a needle-stick injury at work?

   Wash the area promptly with soap and water. This initial cleansing minimizes pathogen transmission by removing contaminants from the puncture site without causing further tissue damage.

9. Which exposure route carries higher transmission risk: percutaneous injury or intact skin contact?

   Percutaneous injury. Percutaneous routes breach skin barriers, allowing direct bloodstream access for pathogens, unlike intact skin which resists penetration.

10. Which PPE is required when anticipating contact with blood or body fluids?

    Gloves (and additional PPE as indicated by splash risk). Gloves provide a barrier against direct contact, with added PPE preventing splashes to mucous membranes or non-intact skin.

11. Which needle-stick scenario is higher risk: hollow-bore blood-filled needle or solid suture needle?

    Hollow-bore blood-filled needle. Hollow-bore needles can transfer larger blood volumes directly into tissues, elevating transmission risk for pathogens like HIV or HBV.

12. What principle requires treating all blood and certain body fluids as infectious?

    Standard Precautions. This CDC-recommended approach assumes all such materials could transmit bloodborne pathogens, promoting consistent infection control practices.

13. What is the correct immediate action after blood or body fluid exposure to the mouth?

    Rinse mouth thoroughly with water; spit out. Rinsing dilutes and removes infectious fluids from oral mucous membranes, which are permeable and at risk for pathogen transmission.

14. Which body fluid is NOT considered infectious for HIV unless visibly bloody: saliva or blood?

    Saliva (unless visibly bloody). Saliva has low HIV concentration unless contaminated with blood, unlike blood which is highly infectious for bloodborne pathogens.

15. Which body fluids are considered potentially infectious for bloodborne pathogens?

    Blood and certain body fluids; treat as potentially infectious. Under Standard Precautions, these fluids may contain bloodborne pathogens like HIV, HBV, or HCV, requiring universal handling as infectious.

16. What is the correct practice regarding recapping used needles?

    Do not recap; if unavoidable, use one-hand scoop technique. Recapping increases needlestick risk; the scoop method minimizes hand exposure if recapping is absolutely necessary.

17. What is the correct next step after initial cleansing of a sharps injury?

    Report the exposure immediately per facility protocol. Prompt reporting ensures timely medical evaluation, source testing, and potential post-exposure prophylaxis to mitigate infection risks.

18. Which action is contraindicated after a needle-stick injury: squeezing the wound or washing it?

    Squeezing or "milking" the wound is contraindicated. Squeezing can force contaminants deeper into tissues, increasing the risk of systemic infection from bloodborne pathogens.

19. What is the preferred timing for starting HIV post-exposure prophylaxis (PEP) when indicated?

    As soon as possible, ideally within hours. Early initiation maximizes PEP efficacy in preventing HIV seroconversion, with effectiveness decreasing significantly after 72 hours.

20. Identify the correct sequence: remove gloves then perform hand hygiene, or hand hygiene then remove gloves?

    Remove gloves first, then perform hand hygiene. Removing gloves first prevents transfer of contaminants to hands, with hygiene then eliminating any residual microbes.

21. Which action should you take if the source patient is known HIV-positive and exposure is significant?

    Start HIV PEP promptly per protocol and obtain source testing. For confirmed HIV sources, immediate PEP reduces transmission risk, with source testing providing details on viral load and resistance.

22. Which isolation approach is used for bloodborne pathogens in routine care: Standard Precautions or Airborne?

    Standard Precautions. Standard Precautions apply universally to prevent bloodborne pathogen transmission, unlike airborne for respiratory droplet diseases.

23. Which vaccine status should be assessed immediately after a blood exposure?

    Hepatitis B vaccination and antibody response status. Assessing HBV immunity determines need for vaccine booster or HBIG, as it's a preventable bloodborne pathogen with high occupational risk.

24. What is the correct immediate action after blood exposure to intact skin?

    Wash skin with soap and water. Washing removes surface contaminants, as intact skin provides a barrier but may have micro-abrasions allowing potential entry.

25. Which action best prevents sharps injuries during disposal: overfilling containers or replacing when near full?

    Replace sharps containers when near full. Replacing containers at 3/4 full prevents overfilling, which can cause sharps to protrude and increase injury risk during disposal.

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