Safety and Infection Control Flashcards
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Read the first 7 Safety and Infection Control flashcards as text
A tuberculosis (TB) patient requires transport for a chest X-ray. Which measure is MOST important during transport?
Answer: The patient wears an N95 respirator
The patient with TB should wear a surgical mask during transport to contain respiratory droplet nuclei at the source.
Which of the following is classified as a 'high-level disinfection' process?
Answer: Soaking flexible endoscopes in glutaraldehyde
High-level disinfection with glutaraldehyde kills all microorganisms except high numbers of bacterial spores and is used for semi-critical items like endoscopes.
A patient is placed on airborne precautions. The room should have which air-handling characteristic?
Answer: Negative pressure with at least 6-12 air exchanges per hour
Airborne infection isolation rooms require negative pressure with 6-12 air changes per hour to prevent pathogen spread to hallways.
Which situation requires the use of an N95 respirator rather than a standard surgical mask?
Answer: Entering the room of a patient with varicella
Varicella (chickenpox) spreads via airborne droplet nuclei, requiring an N95 respirator for adequate protection.
A sharp contaminated with blood is ready for disposal. Where should it be discarded?
Answer: Puncture-resistant sharps container at point of use
Sharps must be discarded immediately into a puncture-resistant, leak-proof sharps container located at the point of use to prevent needlestick injuries.
What does the term 'surgical asepsis' mean in clinical practice?
Answer: Eliminating all microorganisms, including spores, from an area or item
Surgical asepsis (sterile technique) involves eliminating all microorganisms and their spores from a specific area or object.
Which of the following is a key principle of the 'chain of infection' that healthcare workers can most readily break?
Answer: The mode of transmission
Healthcare workers most effectively break the chain of infection by interrupting modes of transmission through hand hygiene, PPE, and isolation precautions.
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