Biosafety Levels and Risk Groups Quiz

Hepatitis B virus (HBV), Hepatitis C virus (HCV), and Human immunodeficiency virus (HIV).

Engineering controls are devices that isolate workers from hazards, such as self-sheathing needles and sharps disposal containers.

Wash the affected area immediately with soap and water and contact a supervisor right away.

<p>Avoid eating or drinking in areas where blood or potentially infectious materials are present and no mouth pipetting.</p> Signup and view all the answers

<p>Standard precautions treat all blood and body fluids as potentially infectious, thus protecting healthcare workers from exposure.</p> Signup and view all the answers

<p>Engineering controls help in reducing exposure by utilizing containment devices when hazards cannot be eliminated.</p> Signup and view all the answers

<p>Pathogenic organisms are classified into Risk Groups 1 through 4, with Risk Group 4 denoting the highest risk.</p> Signup and view all the answers

<p>Determining risk group levels helps identify the appropriate biosafety level and safety practices required for handling organisms.</p> Signup and view all the answers

<p>Most clinical laboratories operate at a Biosafety Level 2 (BSL-2).</p> Signup and view all the answers

<p>BSL-3 laboratories commonly handle high-risk work such as cultures of Mycobacterium tuberculosis and Risk Group 3 or 4 organisms.</p> Signup and view all the answers

<p>Risk Group 4 pathogens are usually restricted to specialized high containment laboratories due to their extreme risk.</p> Signup and view all the answers

<p>Biological Safety Levels (BSL) refer to classification systems that designate safety practices and laboratory design based on risk levels.</p> Signup and view all the answers

<p>Pathogens in Risk Group 2 pose moderate individual risks and low community risks but can cause serious infections.</p> Signup and view all the answers

<p>'Flame resistant' lab coat materials are designed not to burn in air, but they may not be chemically or acid resistant.</p> Signup and view all the answers

<p>Disposable gloves should be used when handling hazardous materials, chemicals of unknown toxicity, or corrosive substances.</p> Signup and view all the answers

<p>Consider degradation rating, breakthrough time, and permeation rate.</p> Signup and view all the answers

<p>Always inspect PPE for damage and contamination before use, and discard any damaged items.</p> Signup and view all the answers

<p>The SDS provides detailed information about hazardous substances, including safety measures and emergency procedures.</p> Signup and view all the answers

<p>A GHS-Compliant label includes product identifier, hazard statements, precautionary statements, and supplier identification.</p> Signup and view all the answers

<p>Bloodborne pathogens are infectious microorganisms in human blood capable of causing disease, such as hepatitis B (HBV) and HIV.</p> Signup and view all the answers

<p>Employers must implement an exposure control plan, including engineering controls and personal protective equipment.</p> Signup and view all the answers

<p>Healthcare workers are at risk of exposure due to their contact with materials potentially containing bloodborne pathogens.</p> Signup and view all the answers

<p>Disposable gloves should not be reused and must be replaced immediately when contaminated.</p> Signup and view all the answers

<p>Pathogenicity, mode of transmission, local immunity levels, and availability of treatment and preventive measures.</p> Signup and view all the answers

<p>A BSL-2 lab primarily requires protective clothing and a biohazard sign, while a BSL-3 lab incorporates controlled access, directional airflow, and BSC for all activities.</p> Signup and view all the answers

<p>Testing for Neisseria meningitidis and Mycobacterium tuberculosis cultures.</p> Signup and view all the answers

<p>PPE is the 'last line of defense' against workplace hazards, and should not replace engineering controls and prudent work practices.</p> Signup and view all the answers

<p>When working with higher-risk pathogens or in situations where containment methods are limited, such as lack of a biological safety cabinet.</p> Signup and view all the answers

<p>BSL-2 is appropriate for handling enteric pathogens.</p> Signup and view all the answers

<p>It influences the classification of a pathogen by assessing whether effective therapies exist to manage infections.</p> Signup and view all the answers

<p>Implementation of airlock entry, shower exit, special waste disposal management, and the use of Class III BSC or positive pressure suits.</p> Signup and view all the answers

<p>The presence of vectors can escalate transmission potential, thus increasing the risk level of a microorganism.</p> Signup and view all the answers

<p>Solid front gowns, double gloves, disposable shoe covers, and N95 respiratory protection.</p> Signup and view all the answers

<p>Conducting a lab hazard analysis to identify existing hazards.</p> Signup and view all the answers

<p>Prescription glasses do not provide adequate protection against flying objects and may pose a hazard.</p> Signup and view all the answers

<p>Safety glasses should be worn when the potential for splash is minimal and when objects striking the eye are possible.</p> Signup and view all the answers

<p>Goggles must have indirect ventilation and a seal to prevent hazardous substances from entering the eye area.</p> Signup and view all the answers

<p>Rinse the eyes using eyewash and remove the contact lenses immediately.</p> Signup and view all the answers

<p>Lab coats protect skin and personal clothing from incidental contact and prevent contamination spread outside the lab.</p> Signup and view all the answers

<p>Users must complete a medical questionnaire and undergo a respirator fit test.</p> Signup and view all the answers

<p>Face shields should be used when working with large volumes of hazardous materials or when there is a risk of flying particles.</p> Signup and view all the answers

<p>Protective eyewear, lab coat, closed-toed shoes, and chemical resistant gloves.</p> Signup and view all the answers

<p>Identify which body parts are most likely to be exposed to hazards.</p> Signup and view all the answers