A nurse is caring for a patient with hepatitis B. Which action by the nurse demonstrates the most appropriate infection control practice?

Standard precautions are the foundation of infection control for hepatitis B, as it is transmitted through blood and body fluids. Other options are insufficient or inappropriate for hepatitis B transmission routes.

Correct Answer: 4

Explanation of the Best Practice

The most appropriate infection control practice when caring for a patient with hepatitis B is to consistently follow standard precautions and treat all body fluids as potentially infectious. This principle is the foundation of modern infection prevention and is explicitly mandated by federal regulations and guidelines designed to protect healthcare workers from bloodborne pathogens like the hepatitis B virus (HBV) [1,2].

Hepatitis B is a bloodborne pathogen, meaning it is present in blood and certain other body fluids and can cause life-threatening liver disease ^[1]. The core concept of standard precautions, which evolved from the universal precautions introduced by the CDC in 1985, is a single, consistent level of infection control to be used for all patients, regardless of their known or suspected infection status ^[2]. This approach eliminates the risk of relying on incomplete patient histories and ensures safety by treating all blood and other potentially infectious materials (OPIM) as hazardous. OPIM includes semen, vaginal secretions, cerebrospinal fluid, synovial fluid, pleural fluid, pericardial fluid, peritoneal fluid, amniotic fluid, and any body fluid visibly contaminated with blood ^[2].

By adopting this mindset and its associated practices, the nurse creates a safe environment for themselves, their colleagues, and other patients, effectively breaking the chain of infection transmission.

Analysis of Incorrect Options

Option 1: Wearing only gloves when handling the patient's blood specimens.
This practice is incomplete and unsafe. While gloves are a critical component of standard precautions for anticipated contact with blood, they are not the only barrier required. The OSHA Bloodborne Pathogens Standard mandates a comprehensive approach that includes hand hygiene, appropriate personal protective equipment (PPE) such as gowns, masks, and eye protection when splashes or sprays are anticipated, safe handling of sharps, and proper waste disposal ^[1]. Relying on gloves alone ignores the risk of exposure to mucous membranes or non-intact skin from a splash, which would necessitate additional barriers. A quasi-experimental study on nursing students demonstrated that clinical training improves compliance with the full scope of standard precautions, highlighting that it is a multi-faceted practice, not just a single action like donning gloves .

Option 2: Using alcohol-based hand sanitizer instead of soap and water after patient contact.
This option presents a false choice and an incorrect practice. Hand hygiene is a cornerstone of standard precautions, but the method must be appropriate for the situation. Alcohol-based hand sanitizers are effective against many microorganisms, but they are not the recommended primary method when hands are visibly soiled or after contact with blood or body fluids. In such cases, washing with soap and water is required. The protocol is not an "either-or" choice; it is a specific sequence. Furthermore, multifaceted interventions to improve nurse compliance with standard precautions have shown that education on the correct application of practices, including hand hygiene protocols, is essential for effectiveness .

Option 3: Placing the patient in droplet precautions with a surgical mask.
This action applies an incorrect transmission-based precaution. Hepatitis B is a bloodborne pathogen, not a droplet-borne pathogen. Its primary mode of transmission in healthcare settings is through percutaneous (e.g., needlestick) or mucosal exposure to infected blood or OPIM [1,2]. Droplet precautions, which involve a surgical mask and are designed for pathogens transmitted via large respiratory droplets (e.g., influenza, pertussis), are not indicated for HBV. Placing the patient on inappropriate precautions would misuse resources and does not address the actual mechanism of transmission. The correct approach is strict adherence to standard precautions, which is the single-level strategy intended to prevent bloodborne pathogen transmission from all patients ^[2].