NR 224 EXAM 1 LATEST 2 VERSIONS (VERSION A & B) ACTUAL
EXAM 200 QUESTIONS AND CORRECT DETAILED ANSWERS WITH
RATIONALES|ALREADY GRADED A+||CHAMBERLAINE COLLEGE
What are the 6 components of the Chain of Infection? - (ANSWER)1. Infectious agent or
pathogen
2. Reservoir or source of pathogen growth
3. Portal of exit from the reservoir
4. Mode of transmission
5. Portal of entry
6. Susceptible host
Does the presence of a pathogen mean an infection will occur? - (ANSWER)No
What is a reservoir? - (ANSWER)A place where microorganisms survive, multiply, and await
transfer to a susceptible host
When does infection occur? - (ANSWER)When the cycle is unbroken (chain stays intact) and
has all of 6 components
How, as health care professionals, can we prevent infection transmission? - (ANSWER)By
breaking the chain
Covering the nose and mouth when sneezing or coughing is an intervention that breaks the chain
of infection at which of the following?
A. A portal of exit
B. A portal of entry
,C. The mode of transmission
D. The reservoir site - (ANSWER)A. A portal of exit
Covering the nose and mouth when coughing or sneezing helps reduce the spread of pathogens
from the portal of exit.
What is cough etiquette? - (ANSWER)Covering the mouth or nose when coughing or sneezing
What is communicable disease? - (ANSWER)The infectious process transmitted from one
person to another
What is the most important technique to use in preventing and controlling transmission of
infection? - (ANSWER)Hand hygiene
When must hands be washed? - (ANSWER)When they are visibly soiled, before eating, and
after restroom use
What are the stages of infection? - (ANSWER)1. Incubation stage
2. Prodromal stage
3. Illness stage
4. Convalescence
What is the incubation stage? - (ANSWER)When the pathogen has entered the host but the host
is asymptomatic
What is the prodromal stage? - (ANSWER)When there is an onset of vague, nonspecific
symptoms (malaise, possible low-grade fever, fatigue)
,During this time, microorganisms grow and multiply, and patients may be capable of spreading
disease to others.
Herpes simplex beings with itching and tingling at the site before the lesion appears. What stage
is this an example of? - (ANSWER)The prodromal stage
What is malaise? - (ANSWER)A general feeling of discomfort, illness, or uneasiness
What is the illness stage? - (ANSWER)The time period when the patient manifests specific
signs and symptoms to the type of infection
Strep throat is manifested by a sore throat, pain, and swelling. Which stage is this an example of?
- (ANSWER)The illness stage
Mumps is manifested by high fever, parotid, and salivary gland swelling. Which stage is this an
example of? - (ANSWER)The illness stage
What is convalescence? - (ANSWER)The interval when acute symptoms of infection disappear.
The length of recovery depends on the severity of infection and the patient's host resistance (may
take several days to months)
What are the common signs of infection? - (ANSWER)- Inflammation (redness and warmth)
- Drainage/exudate
- Edema
- Elevated WBC count
- Pain
- Fever
- Malaise (feeling poorly)
, Health care-associated infections (HAIs) result from the delivery of health services in a health
care facility. The nurse knows that the BEST way to reduce the incidence of HAIs is:
A. Through proper sterile technique
B. Through diligent and proper hand washing
C. By always wearing gloves when in contact with the patient
D. By using disinfectant wipes to clean all surfaces in a patient's room - (ANSWER)B. Through
diligent and proper hand washing
Proper hand washing (hand hygiene) is the single most effective action a nurse can take to reduce
and prevent the transmission of infectious disease.
Hand washing with soap and warm water MUST be performed by the nurse in the following
situations (select all that apply):
A. When hands are visibly dirty, when soiled with blood or other body fluids
B. Before eating
C. After using the toilet
D. Before using the restroom - (ANSWER)A. When hands are visibly dirty, when soiled with
blood or other body fluids
B. Before eating
C. After using the toilet
The CDC (2002; WHO, 2009) recommends washing hands with soap and warm water in the
above scenarios A, B, and C. (pg. 411) Also, exposure to spore-forming organisms such as
Clostridium difficile requires strict and diligent hand washing.
As the nurse, you are preparing a sterile field. Which of the following are principles of sterile
asepsis (select all that apply):
EXAM 200 QUESTIONS AND CORRECT DETAILED ANSWERS WITH
RATIONALES|ALREADY GRADED A+||CHAMBERLAINE COLLEGE
What are the 6 components of the Chain of Infection? - (ANSWER)1. Infectious agent or
pathogen
2. Reservoir or source of pathogen growth
3. Portal of exit from the reservoir
4. Mode of transmission
5. Portal of entry
6. Susceptible host
Does the presence of a pathogen mean an infection will occur? - (ANSWER)No
What is a reservoir? - (ANSWER)A place where microorganisms survive, multiply, and await
transfer to a susceptible host
When does infection occur? - (ANSWER)When the cycle is unbroken (chain stays intact) and
has all of 6 components
How, as health care professionals, can we prevent infection transmission? - (ANSWER)By
breaking the chain
Covering the nose and mouth when sneezing or coughing is an intervention that breaks the chain
of infection at which of the following?
A. A portal of exit
B. A portal of entry
,C. The mode of transmission
D. The reservoir site - (ANSWER)A. A portal of exit
Covering the nose and mouth when coughing or sneezing helps reduce the spread of pathogens
from the portal of exit.
What is cough etiquette? - (ANSWER)Covering the mouth or nose when coughing or sneezing
What is communicable disease? - (ANSWER)The infectious process transmitted from one
person to another
What is the most important technique to use in preventing and controlling transmission of
infection? - (ANSWER)Hand hygiene
When must hands be washed? - (ANSWER)When they are visibly soiled, before eating, and
after restroom use
What are the stages of infection? - (ANSWER)1. Incubation stage
2. Prodromal stage
3. Illness stage
4. Convalescence
What is the incubation stage? - (ANSWER)When the pathogen has entered the host but the host
is asymptomatic
What is the prodromal stage? - (ANSWER)When there is an onset of vague, nonspecific
symptoms (malaise, possible low-grade fever, fatigue)
,During this time, microorganisms grow and multiply, and patients may be capable of spreading
disease to others.
Herpes simplex beings with itching and tingling at the site before the lesion appears. What stage
is this an example of? - (ANSWER)The prodromal stage
What is malaise? - (ANSWER)A general feeling of discomfort, illness, or uneasiness
What is the illness stage? - (ANSWER)The time period when the patient manifests specific
signs and symptoms to the type of infection
Strep throat is manifested by a sore throat, pain, and swelling. Which stage is this an example of?
- (ANSWER)The illness stage
Mumps is manifested by high fever, parotid, and salivary gland swelling. Which stage is this an
example of? - (ANSWER)The illness stage
What is convalescence? - (ANSWER)The interval when acute symptoms of infection disappear.
The length of recovery depends on the severity of infection and the patient's host resistance (may
take several days to months)
What are the common signs of infection? - (ANSWER)- Inflammation (redness and warmth)
- Drainage/exudate
- Edema
- Elevated WBC count
- Pain
- Fever
- Malaise (feeling poorly)
, Health care-associated infections (HAIs) result from the delivery of health services in a health
care facility. The nurse knows that the BEST way to reduce the incidence of HAIs is:
A. Through proper sterile technique
B. Through diligent and proper hand washing
C. By always wearing gloves when in contact with the patient
D. By using disinfectant wipes to clean all surfaces in a patient's room - (ANSWER)B. Through
diligent and proper hand washing
Proper hand washing (hand hygiene) is the single most effective action a nurse can take to reduce
and prevent the transmission of infectious disease.
Hand washing with soap and warm water MUST be performed by the nurse in the following
situations (select all that apply):
A. When hands are visibly dirty, when soiled with blood or other body fluids
B. Before eating
C. After using the toilet
D. Before using the restroom - (ANSWER)A. When hands are visibly dirty, when soiled with
blood or other body fluids
B. Before eating
C. After using the toilet
The CDC (2002; WHO, 2009) recommends washing hands with soap and warm water in the
above scenarios A, B, and C. (pg. 411) Also, exposure to spore-forming organisms such as
Clostridium difficile requires strict and diligent hand washing.
As the nurse, you are preparing a sterile field. Which of the following are principles of sterile
asepsis (select all that apply):
