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NURS 221 Exam 1 questions and answers certified 2024
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NURS 221 Exam 1 questions and answers certified 2024
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NURS 221 Exam 1What are healthcare workers at risk for? - correct answer ✔exposure to
pathogens
How are healthcare workers exposed to pathogens? - correct answer
✔contact with blood, body fluids, contaminated equipment, and contaminated
surfaces
Colonization - correct answer ✔occurs when a microorganism invades the
host but does not cause an infection
infection - correct answer ✔the invasion of a susceptible host by pathogens
resulting in disease
disease - correct answer ✔entry and multiplication of an organism
Communicable disease - correct answer ✔the infectious process transmitted
from one person to another
Symptomatic - correct answer ✔if pathogens multiple and cause clinical
signs and symptoms
Asymptomatic - correct answer ✔if clinical signs and symptoms are not
present
What is the most important technique to use in preventing and controlling
transmission of infection? - correct answer ✔hand hygiene
,What patients are at risk for acquiring infections? - correct answer ✔lower
resistance to pathogens
exposure to pathogens
resistance to antibiotics
invasive procedures
What is the Chain of Infection? - correct answer ✔Infectious agent/pathogen
Reservoir/source for pathogen growth
Portal of exit
Mode of transmission
Portal of entry
Susceptible host
What is the major reservoir and major infections/diseases related to E. coli? -
correct answer ✔colon; gastroenteritis, UTI
What is the major reservoir and major infections/diseases related to S.
aureus? - correct answer ✔skin, hair, anterior nares, mouth; wound infection,
pneumonia, food poisoning, cellulitis
What is the major reservoir and major infections/diseases related to Strep
(beta-hemolytic group A)? - correct answer ✔oropharynx, skin, perianal area;
strep throat, rheumatic fever, scarlet fever, impetigo, wound infection
What is the major reservoir and major infections/diseases related to Strep
(beta-hemolytic group B)? - correct answer ✔adult genitalia; UTI, wound
infection, postpartum sepsis, neonatal sepsis
, What is the major reservoir and major infections/diseases related to M.
tuberculosis? - correct answer ✔droplet nuclei from lungs, larynx;
tuberculosis
What is the major reservoir and major infections/diseases related toN.
gonorrhoeae? - correct answer ✔GU tract, rectum, mouth; gonorrhea, pelvic
inflammatory disease, infectious arthritis, conjuctivitis
What is the major reservoir and major infections/diseases related to R.
rickettsii? - correct answer ✔wood tick; rock mountain spotted fever
What is the major reservoir and major infections/diseases related toS.
epidermidis? - correct answer ✔skin; wound infection, bacteremia
What is the source and disease associated with Hepatitis A virus? - correct
answer ✔feces; Hep A
What is the source and disease associated with Hepatitis B virus? - correct
answer ✔blood and certain body fluids, sexual contact; Hep B
What is the source and disease associated with Hepatitis C virus? - correct
answer ✔blood, certain body fluids, sexual contact; Hep C
Immunocompromised - correct answer ✔impaired immune system
Virulence - correct answer ✔ability to produce disease
Aerobic bacteria - correct answer ✔requires oxygen to reproduce
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