Infection Control Practices
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Questions and Answers

What is the primary goal of infection control practices in healthcare settings?

  • To minimize or eliminate the spread of infectious agents to patients and staff. (correct)
  • To ensure all healthcare workers are vaccinated against common diseases.
  • To accelerate patient recovery times through aggressive treatment strategies.
  • To reduce the cost of medical supplies required for patient care.
  • Which strategy is MOST effective in maintaining healthcare environments free from infectious agents?

  • Restricting patient movement within the healthcare facility to limit potential spread.
  • Implementing routine hand hygiene practices and appropriate environmental cleaning and disinfection. (correct)
  • Using strong chemical disinfectants on all surfaces daily, regardless of contamination.
  • Relying solely on air purification systems to remove airborne pathogens.
  • What role do standard precautions primarily play in preventing infection transmission?

  • They reduce healthcare costs by avoiding unnecessary testing.
  • They ensure all patients receive the same basic level of protective measures, regardless of infection status. (correct)
  • They serve to isolate patients with known infections from the general patient population.
  • They create a barrier preventing occupational exposures.
  • In the context of infection control, what does 'rendering objects free from infectious agents' primarily involve?

    <p>Applying sterilization or disinfection techniques to medical devices and surfaces. (A)</p> Signup and view all the answers

    Which of the following scenarios represents a situation where strict adherence to infection control protocols is MOST critical?

    <p>When providing direct care to immunocompromised patients. (D)</p> Signup and view all the answers

    What is the primary focus of standard infection control precautions regarding waste disposal?

    <p>Ensuring safe handling and disposal of all waste, including sharps, to prevent infection transmission. (C)</p> Signup and view all the answers

    Why is occupational safety, including the management and prevention of exposure to blood and body fluids, a crucial component of standard infection control precautions?

    <p>To protect healthcare workers from potential infections and ensure a safe working environment. (B)</p> Signup and view all the answers

    In the context of standard infection control, what is the most important consideration when managing sharps?

    <p>Preventing needlestick injuries and ensuring safe disposal practices. (D)</p> Signup and view all the answers

    Aside from sharps, what other type of waste requires especially careful handling and disposal procedures under standard infection control precautions?

    <p>Contaminated blood and body fluid waste. (C)</p> Signup and view all the answers

    How do standard infection control precautions address the risk of exposure incidents involving blood and body fluids in the workplace?

    <p>By providing guidelines for immediate cleaning, reporting, and follow-up after an exposure incident. (C)</p> Signup and view all the answers

    Why is it important to dispose of used tissues promptly into a waste bin after sneezing or coughing?

    <p>To prevent the spread of respiratory pathogens by reducing environmental contamination. (D)</p> Signup and view all the answers

    Why is risk assessment important when making patient placement decisions?

    <p>To align placement with clinical or care needs and infection control. (B)</p> Signup and view all the answers

    In the absence of running water and soap, what is the recommended alternative for hand hygiene after coughing or sneezing?

    <p>Using hand wipes followed by ABHR, then washing hands at the first opportunity. (C)</p> Signup and view all the answers

    Why is it recommended to use the crook of the arm when a disposable tissue is not available while coughing or sneezing?

    <p>It prevents the transmission of pathogens to the hands, reducing the risk of spreading infection. (C)</p> Signup and view all the answers

    Which of the following symptoms in a patient should immediately raise concerns about cross-infection risk?

    <p>Diarrhea, vomiting, unexplained rash, fever, or respiratory symptoms. (A)</p> Signup and view all the answers

    What is the primary reason for keeping contaminated hands away from the eyes, nose, and mouth?

    <p>To minimise the risk of self-inoculation with respiratory pathogens. (D)</p> Signup and view all the answers

    A patient with a history of MRSA is being admitted. What infection control measures are most important?

    <p>Apply standard infection control precautions and isolate the patient. (C)</p> Signup and view all the answers

    What is the significance of identifying patients who have been recently hospitalized when considering the risk of CPE?

    <p>Recent hospitalization could indicate the patient's risk of being a carrier of CPE. (D)</p> Signup and view all the answers

    Why is washing hands with non-antimicrobial liquid soap and warm water recommended over using only water after contact with respiratory secretions?

    <p>Soap and water physically remove pathogens, while water alone may not. (B)</p> Signup and view all the answers

    What should be the primary focus of infection control measures?

    <p>To assess and reduce the risk of cross-infection in alignment with patient care needs. (D)</p> Signup and view all the answers

    What is the most important reason for immediately placing used linen in an impermeable bag at the point of removal?

    <p>To minimize the risk of cross-contamination and the spread of microorganisms. (A)</p> Signup and view all the answers

    Why should laundry receptacles not be filled beyond two-thirds capacity?

    <p>Overfilling increases the risk of linen spillage and re-handling, compromising hygiene. (C)</p> Signup and view all the answers

    What is the primary reason for avoiding rinsing, shaking, or sorting linen immediately after removing it from beds or trolleys?

    <p>Such activity increases the potential for dispersal of microorganisms into the environment. (D)</p> Signup and view all the answers

    Which of the following actions is most important when handling used linen to comply with safety protocols?

    <p>Ensuring that a laundry receptacle is available as close as possible to the point of use. (B)</p> Signup and view all the answers

    Why is it important to avoid placing inappropriate items (e.g., used equipment/needles) in laundry receptacles?

    <p>To prevent damage to the washing machines and laundry equipment. (D)</p> Signup and view all the answers

    Which characteristic is the most critical factor in classifying waste as clinical waste?

    <p>Potential to cause disease in humans or other living organisms. (C)</p> Signup and view all the answers

    A veterinary clinic generates waste including used bandages, animal blood and urine. What determines if this waste is classified as clinical waste?

    <p>The waste is clinical only if there's a known or reliable belief it contains disease-causing microorganisms or toxins. (C)</p> Signup and view all the answers

    A rural clinic disposes of expired vaccines. How should the staff determine if these vaccines are clinical waste?

    <p>Check if the vaccines contain live or attenuated microorganisms, or toxins that could cause diseases. (B)</p> Signup and view all the answers

    In a research lab, scientists are working with a novel bacterial strain. What criteria must be met for any waste from this research to be considered clinical waste?

    <p>There must be confirmation or a strong belief that the waste contains viable microorganisms or toxins known or believed to cause disease. (B)</p> Signup and view all the answers

    During a medical procedure, a doctor uses a scalpel. When disposing of the used scalpel, what determines whether it is classified as sharps waste or clinical waste, or both?

    <p>If the scalpel has either disease-causing contents or is potentially disease-causing, it is considered clinical. The scalpel is always sharps waste. (D)</p> Signup and view all the answers

    Flashcards

    Infection Control

    Methods to reduce or prevent the transmission of infectious agents.

    Infectious Agents

    Microorganisms like bacteria or viruses that can cause diseases.

    Healthcare Settings

    Places where medical care is provided, such as hospitals and clinics.

    Decontamination

    Process of cleaning to remove or destroy pathogens.

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    Sanitization

    Rendering objects and settings as free as possible from infectious agents.

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    Safe management of blood and body fluids

    Protocols ensuring safe handling and disposal of blood and body fluids.

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    Safe disposal of waste

    Systematic disposal of waste materials, particularly medical waste, to prevent infection.

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    Managing prevention of exposure

    Strategies to minimize risk of exposure to blood and body fluids in occupational settings.

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    Sharps management

    Specific protocols for the handling and disposal of sharps to prevent injuries.

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    Standard infection control precautions

    Basic practices aimed at preventing the spread of infections in healthcare settings.

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    Respiratory hygiene

    Practice to prevent spread of respiratory pathogens.

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    Cover mouth and nose

    Use tissues or arm to cover when sneezing or coughing.

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    Dispose of tissues

    Immediately throw away used tissues in a bin.

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    Hand hygiene after contact

    Wash hands after sneezing or touching respiratory secretions.

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    Use of hand wipes and ABHR

    Utilize wipes when running water isn’t available, follow with alcohol-based hand rub.

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    Clinical waste

    Waste generated from healthcare activities, including veterinary care.

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    Viable micro-organisms

    Living organisms that can cause disease, found in clinical waste.

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    Toxins

    Substances that can cause sickness or harm to living organisms.

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    Sharps waste

    Waste items with sharp edges that could cause injury or infection.

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    Safe disposal

    Proper methods of disposing waste to prevent health hazards.

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    Risk Assessment in Care

    Evaluating the clinical needs of patients to inform placement decisions.

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    Cross Infection Risks

    Potential transmission of infections, especially in patients with diarrhea, vomiting, rash, fever, or respiratory symptoms.

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    Multi-Drug Resistant Organisms (MDRO)

    Bacteria resistant to multiple antibiotics, such as MRSA and CPE.

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    Epidemiological Link

    Connection to a disease carrier, pertinent in hospital settings for infection control.

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    Do Not Rinse Linen

    Avoid rinsing, shaking, or sorting linen when removing it from beds or trolleys.

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    Avoid Floor Contact

    Never place used linen on the floor or any surfaces like lockers or tabletops.

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    No Re-handling Once Bagged

    Do not handle used linen again after it has been bagged for laundry.

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    Laundry Receptacle Limits

    Do not overfill laundry receptacles; they should not exceed 2/3 full.

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    Immediate Linen Disposal

    Used linen should go into an impermeable bag right after removal from the bed.

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    Study Notes

    Standard Infection Control Precautions

    • Applied Microbiology and Infection Control Practices course, BSN112
    • Academic year 2024-2025
    • Semester 2, Week 5

    Learning Outcomes

    • Students will be able to apply principles of infection control precautions
    • Students will be able to analyze methods of infection control
    • Students will be able to demonstrate proper hand hygiene technique
    • Students will be able to explain methods of reducing infection transmission

    Topic Outline

    • Definition of standard infection control precautions
    • Sources of infection
    • Elements of standards of infection control precautions
    • Patient placement and risk assessment
    • Hand hygiene
    • Respiratory and cough hygiene
    • Safe management of care equipment
    • Safe management of the care environment
    • Safe management of linen
    • Safe management of blood and body spillage
    • Safe disposal of waste

    Standard Infection Control Precautions (SICPs)

    • Basic infection prevention and control measures to reduce the risk of transmitting infectious agents
    • Reduce or prevent the transmission of infectious agents
    • Maintain objects and healthcare settings free from infectious agents

    Standard Infection Control Precautions Application

    • SICPs are used by all staff in all care settings at all times
    • Used for all patients, regardless of known infection status

    Sources of Infection

    • Blood and other body fluids
    • Secretions or excretions (excluding sweat)
    • Non-intact skin or mucous membranes
    • Contaminated equipment or items

    Sources of Infection (Diagram)

    • Infectious agent
    • Reservoir
    • Susceptible host
    • Entry
    • Exit
    • Transmission method (Contact, Droplet, Airborne)
    • Direct/Indirect transmission
    • Equipment/environment
    • Hands, Injection, Ingestion pathways as points of infection

    Application of SICPs

    • Application of SICPs determined by;
    • Task
    • Level of interaction
    • Anticipated level of exposure to blood or body fluids (risk assessment and perception)

    Elements of SICPs

    • 10 elements:
    • Patient placement/assessment of infection risk
    • Hand hygiene
    • Respiratory and cough hygiene
    • Personal protective equipment (PPE)
    • Safe management of the care environment
    • Safe management of care equipment
    • Safe management of healthcare linen
    • Safe management of blood and body fluids
    • Safe disposal of waste (including sharps)
    • Occupational safety/managing prevention of exposure (including sharps)

    Standard Precautions

    • Must be used when caring for all patients, regardless of infection status.
    • Includes performing hand hygiene, using personal protective equipment (PPE), routine environmental cleaning, handling and storing waste and linen safely.

    Patient Placement & Risk Assessment

    • Patients must be assessed for infection risk on arrival and continuously throughout their stay
    • Risk assessments inform placement decisions based on clinical/care needs
    • Patients with known or suspected infection risk factors (e.g., diarrhea, vomiting, rash, fever, respiratory symptoms, prior multi-drug resistant organism (MDRO) infections like MRSA, or CPE) or prior hospitalization should be considered, and isolation protocols should be addressed

    Hand Hygiene

    • Hand hygiene is one of the most important ways to reduce the transmission of infectious agents

    • Clinical hand-wash basins should be used only for hand washing and not for disposal of liquids

    • Basins should have mixer taps, no overflows, and be in good repair, along with liquid soap and paper towel dispensers

    • Instructions for hand hygiene should be available

    • Before performing hand hygiene, expose forearms (bare below the elbow), remove all hand and wrist jewelry, and ensure fingernails are clean and short

    • Wash hands with non-antimicrobial liquid soap and water if visibly soiled or involved in activities with vomiting or diarrhea

    • Use alcohol-based hand rubs (ABHRs) in all other circumstances

    • Dry hands thoroughly using disposable paper towels

    • Use lotions regularly.

    Hand Hygiene: Surgical Hand Antisepsis

    • Surgical scrubbing/rubbing for invasive procedures
    • Remove jewelry
    • Use nail picks for visibly dirty nails
    • Use soft, non-abrasive, sterile sponges with antimicrobial liquid soap (licensed for surgical use), or licensed ABHR for surgical rubbing
    • Use alcohol-based hand rubs (ABHR) between surgical procedures if hands are not visibly soiled

    Respiratory and Cough Hygiene

    • Cover nose and mouth with a tissue when sneezing, coughing, or blowing nose; use crook of arm if tissue is unavailable
    • Dispose used tissues in waste bins
    • Wash hands with non-antimicrobial liquid soap and warm water after such activity, using tissues, or contact with respiratory secretions or contaminated objects
    • If no running water, use hand wipes with ABHR and wash hands as soon as possible -Keep contaminated hands away from eyes, nose, and mouth

    Personal Protective Equipment (PPE)

    • Wear PPE that adequately protects against risks associated with the procedure
    • PPE must be located close to the point of use
    • PPE for healthcare providers providing community and domiciliary care should be transported in clean receptacles
    • PPE should be stored in a clean, dry area until required, adhering to expiry dates
    • Single-use PPE unless otherwise specified by manufacturer
    • Change PPE immediately after each patient and/or after completing each procedure or task
    • Dispose of used PPE appropriately in the correct waste stream
    • Discard damaged or contaminated PPE

    Personal Protective Equipment (PPE) - Gloves

    • Wear gloves when exposure to blood and/or other body fluids, non-intact skin, or mucous membranes is anticipated or likely
    • Change gloves after each patient and/or after completing a procedure/task even on the same patient
    • Change if a perforation or puncture is suspected
    • Gloves should be appropriate for use, fit for purpose, and well-fitting
    • Never decontaminate with ABHR or soap
    • Gloves should pose low risk of causing sensitization
    • Gloves should be appropriate for tasks undertaken

    Personal Protective Equipment (PPE) - Sterile Gloves

    • Sterile gloves should be worn whenever sterility is required during procedures (such as operating theatre, central venous catheter insertion, peripherally inserted central catheter insertion, pulmonary artery catheter insertion, spinal, epidural, and caudal procedures)
    • Double gloving is not routinely recommended for clinical care.

    Personal Protective Equipment (PPE) - Aprons

    • Worn to prevent contamination to uniform or clothing when exposure to patients is anticipated

    Personal Protective Equipment (PPE) - Eye/Face Protection

    • Worn when anticipated exposure to or likely body fluid contamination of eyes or face
    • Must not be impeded by accessories such as piercings or false eyelashes
    • Avoid touching while in use

    Personal Protective Equipment (PPE) - Fluid Resistant Surgical Masks

    • Required during procedures such as surgery
    • Prevent patient exposure from wearer
    • Protect wearer from splashing or spraying of blood, body fluids, secretions, or excretions onto the respiratory mucosa
    • Used as an element of PPE for droplet precautions

    Personal Protective Equipment (PPE) - Headwear

    • Required in theatres and clean rooms, such as decontamination units
    • Covers hair (full coverage)
    • Change between procedures or contamination
    • Removed before leaving theatre/clean room

    Safe Management of Care Equipment

    • Equipment contaminated with blood, body fluids, secretions, excretions, and infectious agents
    • Single use items are used once and discarded
    • Single use items (e.g., nebulizer masks) may require decontamination before reuse with the same patient
    • Reusable invasive equipment (e.g., surgical instruments) are used once and decontaminated
    • Reusable non-invasive equipment (e.g., commodes, patient transfer trolleys) are decontaminated between each use

    Safe Management of Care Equipment- Sterile Equipment

    • Check packaging's integrity for damage or contamination
    • Check expiry date for validity
    • Check sterility indicators are consistent for successful completion
    • Proper management needed for decontaminated re-use

    Safe Management of Care Equipment- Decontamination of Reusable Non-invasive Equipment

    • Decontamination must be undertaken between each use or between patients, after blood or body fluid contamination, and at predefined intervals as part of an equipment cleaning protocol.
    • Decontamination must also be undertaken before equipment goes through service or repair

    Safe Management of the Care Environment

    • Visibly clean, free of non-essential items and equipment to enable effective cleaning
    • Well maintained, in good repair, with adequate ventilation

    Safe Management of the Care Environment - Routine Cleaning

    • Refer to national/institutional cleaning standards
    • Use detergent wipes for frequently touched surfaces
    • Use fresh solution of general-purpose neutral detergent in warm water for cleaning schedules
    • Follow protocols for environmental decontamination

    Safe Management of Linen

    • Clean linen should be stored in a designated, enclosed area (e.g., cupboard)
    • If not in cupboard, use appropriate trolley/receptacle with impervious covering/door
    • Used linen should be placed in a labeled, water-soluble bag or receptacle and should be stored in a designated, safe, lockable area
    • Do not shake or sort linen when removed from bed/trolleys
    • Do not place soiled linen on surfaces such as floor and/or countertops
    • Ensure that laundry bags are not overfilled to 2/3 of capacity
    • Place used linen (previously known as soiled/fouled linen) in labeled, impermeable bags and receptacle

    Safe Management of Blood and Body Fluid Spillages

    • Spillages should be treated promptly by trained staff
    • Responsibilities for management of blood and body fluid spills should be clear within each area/care unit

    Safe Disposal of Waste (Including Sharps)

    • Clinical waste includes healthcare and veterinary waste containing living microorganisms/toxins, or biologically active agents like medicine
    • Sharps include sharps, body fluids/human tissue
    • Sharps containers should have a handle and temporary closure mechanism
    • Sharps containers should be labelled and date stamped
    • Organizations using reusable sharps containers should have a protocol for assuring safe use and reprocessing
    • Sharps should be discarded at the point of use by the user

    Occupational Safety: Prevention of Exposure (Including Sharps Injuries)

    • Potential risk of blood-borne viruses from exposure during contact with patients, blood, needles, instruments, and contaminated items

    • Legal requirement to report sharps injuries and near misses to line managers/employers

    • Significant occupational exposure includes percutaneous injuries (e.g., needles), bone fragments/bites breaking the skin, exposure to broken skin and/or mucous membranes

    • Avoid unnecessary use of sharps

    • If use of sharps is unavoidable, use safer sharps

    • Safe procedures for working with and disposal of sharps must be in place (e.g. sticky mats, sharps bins, safety procedures and training)

    • Follow manufacturers' instructions for use and disposal of sharps

    • Needles not to be re-sheathed/recapped/disassembled after use

    • Sharps not passed between people directly

    • Sharps discarded at the point of use by the individual using the sharp

    • Needles and syringes disposed of as one unit

    • If safety device is used, safety mechanisms deployed before disposing

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    Explore infection control practices in healthcare, emphasizing strategies for maintaining sterile environments and preventing infectious agent transmission. Learn about standard precautions, waste disposal, and occupational safety measures, including managing sharps and exposure to body fluids. Identify critical scenarios requiring strict adherence to infection control protocols.

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