A nurse is caring for a client with acute hepatitis B. Which… | 마이메르시 MyMerci
Adult Health
문제

A nurse is caring for a client with acute hepatitis B. Which nursing intervention is the highest priority to prevent transmission to healthcare workers and other clients?

A 27-year-old client is admitted to the medical unit with acute hepatitis B. The client reports fatigue, nausea, and abdominal pain. Laboratory results show elevated ALT (450 U/L) and AST (380 U/L), positive HBsAg, and elevated bilirubin (4.2 mg/dL). The client appears jaundiced and has dark-colored urine.
해설
Standard precautions with PPE are the most effective method to prevent hepatitis B transmission in healthcare settings, as it is primarily spread through blood and body fluids. Other options are either unnecessary (strict isolation), not routine (immune globulin), or less effective (visitor restriction).

심화 해설

Core Nursing Explanation Key Concept Analysis: This question tests the application of infection control principles for a patient with Hepatitis B virus (HBV) infection. The core concept is understanding the primary mode of transmission for HBV, which is parenteral, percutaneous, or mucosal exposure to infectious blood or body fluids. This includes blood, semen, and vaginal secretions. It is not transmitted through casual contact, air, or droplets. Therefore, the cornerstone of prevention in healthcare settings is the consistent application of Standard Precautions.

Answer Rationale: Key Point! Standard Precautions are designed to prevent transmission of pathogens from all patients, regardless of diagnosis. For Hepatitis B, which is bloodborne, this means using appropriate Personal Protective Equipment (PPE) like gloves and gowns when contact with blood or body fluids is anticipated. This is the most effective, evidence-based, and universally applicable intervention to protect healthcare workers and other patients. It is the highest priority because it directly addresses the known route of transmission.

Distractor Analysis:
Watch out for confusion! Option ② suggests strict isolation with negative pressure ventilation. Negative pressure rooms are required for airborne diseases like tuberculosis or measles, not for bloodborne pathogens like Hepatitis B. This is an unnecessary and incorrect intervention.
• Option ③, administering Hepatitis B Immune Globulin (HBIG) to all staff, is not a routine preventive measure. HBIG is used for post-exposure prophylaxis (PEP) for individuals who have had a specific, significant exposure (e.g., a needlestick injury from an HBsAg-positive source). It is not given prophylactically to all staff.
• Option ④, restricting all visitors, is an overly restrictive measure not indicated for Hepatitis B. Visitor education on standard precautions (e.g., hand hygiene) is appropriate, but a blanket ban is not the priority or standard of care.

Related Concepts: This integrates knowledge of bloodborne pathogens, the chain of infection, and the hierarchy of infection control measures. Understanding the difference between Standard Precautions, Contact Precautions, Droplet Precautions, and Airborne Precautions is critical for the NCLEX and clinical practice.
Concept SummaryDisease: Acute Hepatitis B (HBV)
Primary Transmission: Blood and body fluids (bloodborne pathogen).
Core Prevention in Healthcare: Standard Precautions (Hand hygiene, PPE like gloves/gown/face protection as needed based on task).
Post-Exposure Action: For healthcare workers, immediate wound care, reporting the incident, and evaluation for HBIG and/or Hepatitis B vaccine booster.
Lab Markers: Positive HBsAg indicates active infection. Elevated ALT/AST and bilirubin indicate liver inflammation and jaundice.

Side-by-Side Comparison!
Precaution TypeUsed ForKey InterventionsExample Diseases
Standard PrecautionsAll patients, all the timeHand hygiene, PPE based on anticipated exposureHepatitis B/C, HIV
Contact PrecautionsDirect/indirect contact transmissionGown & gloves for room entry, dedicated equipmentMRSA, VRE, C. diff
Droplet PrecautionsLarge droplets from cough/sneezeSurgical mask within 3 feet/1 meter of patientInfluenza, Pertussis, Meningitis (N. meningitidis)
Airborne PrecautionsAirborne droplet nucleiN95 respirator, negative pressure roomTuberculosis, Measles, Varicella

Anatomy, Physiology & Pharmacology PointsLiver Function: The liver metabolizes bilirubin from broken-down red blood cells. In hepatitis, inflamed hepatocytes cannot process bilirubin, leading to buildup in the blood (hyperbilirubinemia), causing jaundice and dark urine.
HBIG Mechanism: Provides passive immunity by giving pre-formed antibodies against HBV to neutralize the virus after exposure.

Memory TipsHepatitis B = Bloodborne = Standard Precautions. Remember "B" for "Blood."
Airborne diseases need "Air" (negative pressure) and an N95 "respirator." Hepatitis B doesn't float in the air!

High-Frequency NCLEX Topics NCLEX loves to test your ability to select the appropriate transmission-based precaution. They will give you a disease and ask for the priority nursing action to prevent spread. Always ask yourself: "How is this bug primarily spread?" Your answer should directly break that link in the chain of infection.

Watch Out for Question Variations! • Instead of asking for the priority intervention, the question might ask: "The nurse is preparing to draw blood from a client with Hepatitis B. Which action is essential?" Answer: Don gloves (and possibly a face shield if splashing is risk).
• They could combine this with a needlestick injury scenario: "A nurse gets a needlestick from a client with Hepatitis B. What is the nurse's immediate action?" Answer: Clean the site with soap and water, then report the incident per facility policy. (HBIG administration is a later step decided by occupational health).

임상 시나리오

Nursing Clinical Practice Guide Clinical Scenario: You are the nurse assigned to Mr. Chen, a 27-year-old admitted with acute Hepatitis B. He is fatigued, nauseated, and visibly jaundiced. You need to draw his morning labs, administer IV fluids, and provide education.

Nursing Intervention Strategy:
1. Assessment: Monitor for signs of worsening liver function: increasing jaundice, bilirubin levels, changes in mental status (early sign of hepatic encephalopathy), and abdominal girth (ascites). Assess pain and nausea.
2. Infection Control (Priority!): Before entering the room, plan your tasks. For routine assessment (vital signs, conversation), hand hygiene is sufficient. For any activity with risk of exposure to blood or body fluids (drawing blood, handling IV lines, assisting with emesis), you must don gloves. Add a gown if soiling of clothing is likely. A face shield is needed if there is risk of splashing (e.g., suctioning, but this is less common with Hepatitis B).
3. Patient Care & Education: Educate the patient that Hepatitis B is not spread by casual contact like hugging or sharing meals. Teach hand hygiene. Encourage a high-carbohydrate, moderate-protein, low-fat diet to support the liver and provide energy. Emphasize the importance of avoiding alcohol and hepatotoxic medications (e.g., acetaminophen in high doses).
4. Sharps Safety: Use safety-engineered sharps devices. Never recap needles. Dispose of all sharps immediately in a puncture-resistant container at the point of use.

Patient Safety and Precautions:
Contraindications/Precautions: No live virus vaccines should be administered during acute illness. Be vigilant for bleeding tendencies (due to decreased production of clotting factors by the liver) – monitor for bruising, bleeding gums, and use a soft-bristle toothbrush.
Medication Cautions: The liver metabolizes many drugs. Dose adjustments may be needed. Always verify medication compatibility and dosing with the provider or pharmacist.

Nursing Procedure & Medication Flow Procedure: Drawing Blood from a Patient on Standard Precautions (for Bloodborne Pathogens)
1. Perform hand hygiene.
2. Assemble all equipment (vacutainer, tubes, safety needle, tourniquet, gauze, bandage, sharps container) on a clean tray.
3. Don clean gloves.
4. Perform venipuncture using standard technique and safety device.
5. After filling tubes, activate the safety mechanism on the needle before removing it from the hub.
6. Apply pressure with gauze, then bandage.
7. Immediately dispose of the entire blood collection set (needle and holder) as a single unit into the sharps container. Do not separate the needle.
8. Remove gloves and perform hand hygiene.
9. Label tubes at the bedside.

A Word from Your Senior Nurse "In the real world, consistency is everything. Standard Precautions aren't just for the 'isolation room' – they're for every patient, every time. Treating every body fluid as potentially infectious is what keeps you, your colleagues, and your other patients safe. When you see a patient with Hepatitis B, your brain should immediately go to: 'Gloves for blood/fluid contact, safe sharps handling, and hand hygiene.' It becomes second nature. For the NCLEX, remember: if the disease is spread by blood, think Standard Precautions. If it's spread by air, think negative pressure and N95. You've got this!"

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