NSG 117: Medical Asepsis, Isolation Precautions & PPE – Infection
Control Nursing Study Guide
What is the purpose of hand-washing with soap and water? - ANS ✔✔To remove
microorganisms and break the chain of infection.
What microorganisms are removed by handwashing? - ANS ✔✔bacteria, fungi, viruses, and
protozoa
How effective is alcohol based antiseptic solution? - ANS ✔✔Effective for hands that are not
visibly soiled, and when not dealing with patients with spore forming organisms.
When should nurses wash their hands? - ANS ✔✔when hands are visibly dirty,when hands are
soiled with blood or other body fluids, before eating and after using the toilet, if exposed to
spore-forming organisms (C-Diff, Bacillus anthracis, norocirus)
What are the links in the chain of infection? - ANS ✔✔Infectious Agent, Reservior, Portal of Exit,
Mode of Transmission, Portal of Entry, Host.
Infectious Agent - ANS ✔✔Microorganisms such as bacteria, viruses, fungi, and protozoa.
Reservoir - ANS ✔✔a place where microorganisms survive, multiply, and await transfer to a
susceptible host.
Portal of Exit - ANS ✔✔includes cites such as blood, skin, and mucous membranes, respiratory
tract,genitourinary tract, gastrointestinal tract, and trans-placental.
Mode of transportation - ANS ✔✔Contact, Vehicles, and Vectors
Control Nursing Study Guide
What is the purpose of hand-washing with soap and water? - ANS ✔✔To remove
microorganisms and break the chain of infection.
What microorganisms are removed by handwashing? - ANS ✔✔bacteria, fungi, viruses, and
protozoa
How effective is alcohol based antiseptic solution? - ANS ✔✔Effective for hands that are not
visibly soiled, and when not dealing with patients with spore forming organisms.
When should nurses wash their hands? - ANS ✔✔when hands are visibly dirty,when hands are
soiled with blood or other body fluids, before eating and after using the toilet, if exposed to
spore-forming organisms (C-Diff, Bacillus anthracis, norocirus)
What are the links in the chain of infection? - ANS ✔✔Infectious Agent, Reservior, Portal of Exit,
Mode of Transmission, Portal of Entry, Host.
Infectious Agent - ANS ✔✔Microorganisms such as bacteria, viruses, fungi, and protozoa.
Reservoir - ANS ✔✔a place where microorganisms survive, multiply, and await transfer to a
susceptible host.
Portal of Exit - ANS ✔✔includes cites such as blood, skin, and mucous membranes, respiratory
tract,genitourinary tract, gastrointestinal tract, and trans-placental.
Mode of transportation - ANS ✔✔Contact, Vehicles, and Vectors
