NURS 550 ATI Questions and 100% Correct Answers | Grade A+

NURS 550 ATI Questions and 100%
Correct Answers | Grade A+


Chain of infection

Ans: How bacteria, viruses, fungi, parasites, and prions move from place to place. Contact,

droplet, and airborne




Chain of infection cycle

Ans: - Infectious Agent

- Reservoir (table, bed)

- Portal of Exit (wound drainage, GI tract)

- Mode of transmission (contact)

- Portal of Entry (mouth)

- Susceptible Host (client with suppressed immune system)




Infectious Agent

Ans: Something that contains bacteria, fungi, virus, parasite, prion




Flora

,Ans: Bacteria that live on or in a person to help protect the body from infection




Reservoir

Ans: The habitat of the infectious agent, a location it can live, grow, and reproduce itself; can

be animate or inanimate (soil, food, etc.)




Portal of Exit

Ans: Where the infectious agent can leave the reservoir; ears, nose, mouth




Modes of transmission

Ans: How bacteria, viruses, fungi, parasites, and prions move from place to place. Contact,

droplet, and airborne




Portal of entry

Ans: Any body orifice (ears, mouth, skin), that provides a place for infectious agent to

replicate or for toxin to act




Susceptible Host

Ans: Required for the infectious agent to take hold and become a reservoir for infection. Can

help with immunizations, nutrition, supplements, hygiene, and blood sugar control

, Virulent

Ans: Describes how efficient an infectious agent is at making people ill




Factors that increase host suseptibility

Ans: - Age

- Underlying disease HIV/AIDS

- Malignancy

- Transplants

- Medications

- Surgical procedures

- Radiation therapy

- Indwelling devices




Examples of reservoirs

Ans: - Health care workers

- Clients

- Furniture

- Equipment




Direct Contact Transmission