Chapter 7 Asepsis and Infection Control | Questions & Answers (100 %Score) Latest
Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions
asepsis - ABSENCE OF CONTAMINATED MATERIALS
antiseptic - A substance that destroys micro-organisms that carry disease without harming body tissues
disinfection - A process that eliminates many or all microorganisms, with the exception of bacteria
spores, from inanimate objects
microorganisms - Living creatures that are too small to see with the naked eye
chain of infection - Infectious agent, reservoir, portal of exit, means of transmission, portal of entry and
susceptible host.
reservoir - A place where the pathogen grows and reproduces
carrier/vector - a person or animal that does not become ill but harbors and spreads an organism,
causing disease in others
healthcare-associated infection/nosocomial - An infection that was not present on admission to the
hospital and develops during the course of treatment for other conditions
exogenous - Produced outside the body
endogenous - Produced within the body
virulent - makes them likely places for infection
standard precautions - CDC precautions used in the care of all patients regardless of their diagnosis or
possible infection status; this category combines universal and body substance precautions.
fungi - cryptococcus species (pneumonia-like illness-bird feces)
bacteria - escherichia coli (GI)
viruses - HIV, Herpes
opening sterile packages - Before opening a sterile item, perform thorough hand hygiene, assemble
supplies needed, clean working area and maintain working area above waist level; pick up touching only
one inch surrounding the item.
urine specimen culture - 5-15mL for adults
syringe and sterile cup
stool specimen culture - small amount, approximately size of a walnut
clean specimen cup with seal top (not necessary to be sterile) and sterile tongue blade
blood specimen culture - laboratory technique
10mL per culture bottle from 2 different venipuncture sites
syringes, needles and culture media bottles
wound specimen culture - as much as possible
sterile cotton-tipped swab or syringe
principles of sterile technique - 1. a sterile object remains sterile only when touched exclusively by other
sterile objects
2. place only sterile objects on a sterile field
3. a sterile field out of the range of vision or an object held below a person's waist is contaminated
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