Answers
What is the chain of infection? Right Ans - A sequence of events that allows
an infection to spread.
What is an infectious agent? Right Ans - Microorganisms that can cause
disease.
What factors determine the potential for an infectious agent to cause disease?
Right Ans - Number of organisms, virulence, ability to enter and survive in a
host, and host susceptibility.
What is a reservoir? Right Ans - A place where microorganisms can survive
and multiply.
What are common reservoirs for microorganisms? Right Ans - Humans,
animals, insects, food, water, organic matter, and inanimate surfaces.
What are the sites of portal of exit? Right Ans - Blood, skin, mucous
membranes, respiratory tract, GU tract, GI tract, and transplacental.
What are the modes of transmission? Right Ans - Direct, indirect, droplet,
airborne, vehicles, and vector.
What is direct transmission? Right Ans - Person-to-person contact or
physical contact.
What is indirect transmission? Right Ans - Contact of a susceptible host
with a contaminated object.
What is droplet transmission? Right Ans - Infection spread through
coughing or sneezing droplets.
What is airborne transmission? Right Ans - Infection spread through small
particles in the air.
, What is vehicle transmission? Right Ans - Infection spread through
contaminated items, water, drugs, solutions, blood, or food.
What is vector transmission? Right Ans - Infection spread through external
mechanical transfer or internal parasitic conditions.
What is a portal of entry? Right Ans - A way for microorganisms to enter
the body.
What is a susceptible host? Right Ans - Individual's degree of resistance to
pathogens.
What is the incubation period? Right Ans - Interval between pathogen
entrance and first symptoms.
What is the prodromal stage? Right Ans - Interval between nonspecific and
specific symptoms.
What is the illness stage? Right Ans - Interval with specific symptoms of
infection.
What is convalescence? Right Ans - Interval when acute symptoms
disappear and recovery occurs.
What are Health Care-Associated Infections (HAIs)? Right Ans - Result from
health services delivery in a healthcare agency.
What factors influence infection prevention and control? Right Ans - Age,
sex, nutritional status, stress, disease process.
What are some nursing assessment questions for infection? Right Ans -
Vaccination history, fever presence, recent travel, medication history,
stressors.
What is asepsis? Right Ans - Absence of pathogenic microorganisms.
What are the two types of asepsis? Right Ans - Medical asepsis and surgical
asepsis.