A nurse is caring for a patient with a confirmed MRSA wound infection. Which nursing action demonstrates the most appropriate infection control practice to prevent transmission to other patients?

Contact precautions with gown and gloves for all patient contact are essential for MRSA to prevent transmission via direct contact or contaminated surfaces. Other options provide insufficient protection.

Core Nursing Explanation Key Concept Analysis: This question tests the application of Transmission-Based Precautions, specifically for a patient with a Methicillin-Resistant Staphylococcus aureus (MRSA) wound infection. MRSA is a multi-drug resistant organism (MDRO) primarily spread through contact transmission (direct contact with the patient or indirect contact with contaminated surfaces/equipment). The core principle is to prevent the spread of this resistant pathogen to other vulnerable patients.

Answer Rationale: Key Point! The Centers for Disease Control and Prevention (CDC) guidelines mandate Contact Precautions for patients with known or suspected MDRO infections like MRSA, especially with uncontrolled drainage. This includes:
1. Placing the patient in a private room or cohorting with another MRSA-positive patient.
2. Donning a gown and gloves upon entry to the patient's room or care area for all interactions that may involve contact with the patient or their environment.
3. Performing meticulous hand hygiene with soap and water or alcohol-based hand rub before and after patient contact, and after removing personal protective equipment (PPE).
Option ② correctly describes this comprehensive bundle of interventions: "Implementing contact precautions with gown and gloves for all patient contact and proper hand hygiene."

Distractor Analysis:
• Watch out for confusion! Option ①: "Wearing gloves only when directly touching the wound" is insufficient. MRSA can colonize intact skin and be shed onto environmental surfaces. Gloves should be worn for any contact with the patient or their immediate environment.
• Option ③: "Using standard precautions and changing gloves between different body sites" describes good practice to prevent cross-contamination on a single patient, but it is the baseline for all patients. For MRSA, Contact Precautions (which include Standard Precautions plus gown/gloves for room entry) are required.
• Option ④: "Isolating the patient in a private room without additional PPE" addresses spatial separation but fails the most critical component: using gown and gloves to create a barrier against transmission during hands-on care.

Related Concepts: Understanding the hierarchy of precautions is vital. Standard Precautions are used for all patients. Transmission-Based Precautions (Contact, Droplet, Airborne) are added for specific pathogens based on their mode of spread. MRSA requires Contact Precautions. For a draining wound, the risk of environmental contamination is high, making strict adherence non-negotiable.
Concept Summary • Pathogen: MRSA (Methicillin-Resistant *Staphylococcus aureus*)
• Primary Mode of Transmission: Contact (Direct & Indirect)
• Required Precautions: Contact Precautions
• Key PPE: Gown and Gloves for room entry/care
• Room Placement: Private room or cohorting
• Core Action: Meticulous Hand Hygiene
Side-by-Side Comparison!

Precaution Type	Key Pathogens/Conditions	Required PPE	Room Placement
Contact Precautions	MRSA, VRE, C. *difficile*, RSV, Draining wounds	Gown & Gloves	Private or cohort
Droplet Precautions	Influenza, Pertussis, Meningitis, COVID-19 (per some protocols)	Surgical Mask, Eye Protection, Gown/Gloves if contact anticipated	Private or cohort (mask on patient during transport)
Airborne Precautions	Tuberculosis, Measles, Varicella (Chickenpox)	N95 or PAPR (Respirator), Gown/Gloves if contact anticipated	Negative pressure room, door closed

Anatomy, Physiology & Pharmacology Points • Microbiology: *S. aureus* is a gram-positive coccus commonly found on skin and nasal passages. MRSA strains have acquired the *mecA* gene, making them resistant to all beta-lactam antibiotics (penicillins, cephalosporins).
• Skin & Wounds: • Pharmacology: Treatment for MRSA infections often requires non-beta-lactam antibiotics like Vancomycin, Linezolid, or Daptomycin.
Memory Tips • MRSA Mnemonic: "Meticulous Room & Skin Attention" (Think: Meticulous hand hygiene, Private Room, Skin/contact precautions, Attention to environment).
• Precaution Hierarchy: Think "Come Dressed Appropriately" for the order: Contact → Droplet → Airborne (increasing level of containment).
High-Frequency NCLEX Topics Infection control is a High Yield topic. The NCLEX-RN frequently tests:
1. Selecting the correct Transmission-Based Precautions for a given pathogen.
2. Prioritizing infection control actions (e.g., hand hygiene is always first).
3. Proper sequence for donning and doffing PPE.
4. Patient education regarding isolation.
Watch Out for Question Variations! • Instead of asking for the correct precaution, a question might ask: "Which action by a new nurse requires intervention?" The incorrect action would be entering an MRSA room without a gown.
• A question could combine MRSA with another condition (e.g., patient with MRSA and Tuberculosis). The rule is to implement the highest level of precaution required (in that case, Airborne + Contact).
• A scenario might test knowledge of when to discontinue Contact Precautions (often based on facility policy, sometimes after negative surveillance cultures).

Nursing Clinical Practice Guide Clinical Scenario: You are assigned to Mr. Johnson, a 68-year-old with diabetes, who has a large, purulent wound on his lower leg positive for MRSA. The wound is packed and requires BID dressing changes. He is in a private room.

Nursing Intervention Strategy:
1. Assessment: Assess the wound (size, drainage, odor, periwound skin), patient's understanding of isolation, and signs of systemic infection (fever, elevated WBC).
2. Planning: Plan care to cluster interventions (vitals, meds, dressing change) to minimize room entries/exits and conserve PPE.
3. Implementation:
• PPE Donning: Perform hand hygiene → Gown (tie at neck/waist) → Mask (if needed) → Gloves (extend over gown cuffs).
• In-Room Care: Provide all necessary care. Keep dedicated equipment (e.g., stethoscope, BP cuff) in the room. Place all waste, including used dressings, in appropriate biohazard containers.
• Dressing Change: Use sterile technique. After removing soiled dressing, place it directly into a red biohazard bag.
• PPE Doffing: Key Point! This is a critical step! Remove PPE in this sequence to avoid self-contamination: Gloves → Hand Hygiene → Gown → Hand Hygiene → Mask (if worn) → Final Hand Hygiene. Exit the room.
4. Patient Education: Explain the purpose of precautions to reduce anxiety. Teach about hand hygiene and not touching the wound.
5. Evaluation: Monitor for no new MRSA infections in other patients on the unit. Evaluate wound healing.
Patient Safety and Precautions:
• Environmental Cleaning: High-touch surfaces (bed rails, call light, IV pump) must be cleaned and disinfected daily and after patient discharge with an EPA-approved disinfectant effective against MRSA.
• Visitors: Instruct visitors to wear gown/gloves and perform hand hygiene. Limit if possible.
• Transport: Only transport the patient for essential procedures. Cover the wound with a clean dressing, and notify the receiving department.
Nursing Procedure & Medication Flow Dressing Change for MRSA Wound:
1. Gather all supplies (sterile gloves, dressing tray, saline, packing gauze, tape, biohazard bag) before donning PPE.
2. Don PPE as described.
3. Remove old dressing, note characteristics.
4. Cleanse wound from center outward with sterile saline.
5. Pack wound lightly with moistened gauze if ordered.
6. Apply clean sterile dressing.
7. Dispose of all waste in room biohazard container.
8. Doff PPE and perform hand hygiene.
9. Document wound assessment and procedure.

Medication Administration (e.g., Vancomycin IV):
• Administer IV antibiotics on time to maintain therapeutic levels.
• Monitor for side effects: "Red Man Syndrome" (flushing, rash, hypotension) – managed by slowing infusion rate. Ototoxicity and Nephrotoxicity – monitor trough levels (Normal Trough: 10-20 mcg/mL) and renal function (BUN, Creatinine).
A Word from Your Senior Nurse "In the real world, infection control is the bedrock of safe patient care. MRSA isn't just a test answer—it's a real threat on every unit. The most important tool you have isn't the gown or gloves; it's your own hands. Hand hygiene is non-negotiable, every single time. When you're in a hurry, it's tempting to skip a step. Don't. Protecting your other patients from a preventable infection is a core nursing responsibility. On the NCLEX, they're testing your judgment: do you know the *right* way, not just *a* way? Think like a guardian of public health every time you see an isolation sign."