Nursing 221 Exam #3 questions with complete solutions

Nursing 221 Exam #3Background of Infection Control and Prevention: - correct answer oHigh risk for infection when entering any health care facility o1:25 patients in any day will develop a health care associated infection oTjc-patient safety issue and essential to provide for safe health care environment oRisk factors for hcai-decreased resistance due to pre-existing conditions, medications or decreased immune response oExposure to multiple drug resistant pathogens OInvasive procedures Risk for Healthcare Workers: - correct answer oHigh risk to the health care worker: exposure to blood, body fluids, airborne pathogens, equipment and surfaces oProtection includes use of basic infection prevention and control procedures oUse of ppe (personal protective equipment) oHigh risk for mdro (multi-drug resistant organisms); tb; hiv; hep b & c The Nature of Infection: - correct answer oInfection-invasion of a susceptible host such as a human by pathogens or microorganisms producing illness oColonization-presence and growth of microorganisms within a host but without tissue invasion/damage oInfectious disease-that which can be transmitted from one person to another oCommunicable disease-that which is transmitted to others oSymptomatic-displaying signs and symptoms of illness oAsymptomatic-no signs or symptoms are present The Chain of Infection: - correct answer oCycle of infection consists of: oInfectious agent or pathogen oReservoir or source for growth oPortal of exit oMethod of transmission oPort of entry to host oSusceptible host oChain must be intact for infection to spread Infectious Agent: - correct answer -Bacteria, Viruses, Fungi, Protozoa