CDC Infection Preventionist
Post Test Exam PRACTICE 250
QUESTIONS |ORIGINAL
QUESTIONS & ANSWERS
|DETAILED RATIONALES
|HINTED COMPLETE EXAM
PREP GRADED A+*INSTANT
DOWNLOAD PDF.
1.
Which intervention is considered the most important measure for
preventing transmission of infectious agents in healthcare settings?
A. Environmental cleaning
B. Hand hygiene
C. Antibiotic prophylaxis
D. Patient isolation
Answer: B. Hand hygiene
Rationale: Hand hygiene reduces the transfer of microorganisms
between patients, healthcare personnel, and environmental surfaces.
2.
,When should alcohol-based hand sanitizer generally be used?
A. When hands are visibly soiled
B. After exposure to C. difficile spores
C. When hands are not visibly soiled
D. After handling chemicals
Answer: C. When hands are not visibly soiled
Rationale: Alcohol-based hand rub is preferred in most clinical
situations when hands are not visibly dirty.
3.
What should healthcare personnel use when hands are visibly
soiled?
A. Alcohol-based hand rub only
B. Soap and water
C. Antiseptic wipes only
D. Sterile water only
Answer: B. Soap and water
Rationale: Soap and water physically remove soil and
microorganisms from visibly contaminated hands.
4.
Which component is included in Standard Precautions?
A. Hand hygiene
B. Airborne isolation for every patient
C. Prophylactic antibiotics
D. Universal sterilization of all equipment
Answer: A. Hand hygiene
,Rationale: Standard Precautions apply to all patients and include
hand hygiene, PPE based on anticipated exposure, respiratory
hygiene, safe injection practices, and appropriate handling of
equipment and surfaces.
5.
Standard Precautions are based primarily on the principle that:
A. Only patients with diagnosed infections are infectious
B. Blood and certain body fluids may contain infectious agents
C. Every patient requires airborne isolation
D. Antibiotics prevent most healthcare-associated infections
Answer: B. Blood and certain body fluids may contain infectious
agents
Rationale: Standard Precautions assume that potentially infectious
material may be present even when infection is not known.
6.
Which action is appropriate before putting on gloves?
A. Perform hand hygiene
B. Touch the patient
C. Disinfect the gloves
D. Apply lotion
Answer: A. Perform hand hygiene
Rationale: Hand hygiene should be performed before donning gloves
because gloves do not replace hand hygiene.
7.
, Which action is appropriate after removing gloves?
A. Skip hand hygiene
B. Perform hand hygiene
C. Put on another pair immediately
D. Touch clean supplies
Answer: B. Perform hand hygiene
Rationale: Hands can become contaminated during glove removal or
through microscopic glove defects.
8.
Gloves should be changed:
A. Only once per shift
B. Between patients and when contaminated during care
C. Only when visibly torn
D. Every 24 hours
Answer: B. Between patients and when contaminated during care
Rationale: Gloves are single-use barriers and must be changed
between patients and between contaminated and clean tasks.
9.
Which PPE protects the eyes from splashes?
A. Gown
B. Gloves
C. Goggles or face shield
D. Shoe covers
Answer: C. Goggles or face shield
Post Test Exam PRACTICE 250
QUESTIONS |ORIGINAL
QUESTIONS & ANSWERS
|DETAILED RATIONALES
|HINTED COMPLETE EXAM
PREP GRADED A+*INSTANT
DOWNLOAD PDF.
1.
Which intervention is considered the most important measure for
preventing transmission of infectious agents in healthcare settings?
A. Environmental cleaning
B. Hand hygiene
C. Antibiotic prophylaxis
D. Patient isolation
Answer: B. Hand hygiene
Rationale: Hand hygiene reduces the transfer of microorganisms
between patients, healthcare personnel, and environmental surfaces.
2.
,When should alcohol-based hand sanitizer generally be used?
A. When hands are visibly soiled
B. After exposure to C. difficile spores
C. When hands are not visibly soiled
D. After handling chemicals
Answer: C. When hands are not visibly soiled
Rationale: Alcohol-based hand rub is preferred in most clinical
situations when hands are not visibly dirty.
3.
What should healthcare personnel use when hands are visibly
soiled?
A. Alcohol-based hand rub only
B. Soap and water
C. Antiseptic wipes only
D. Sterile water only
Answer: B. Soap and water
Rationale: Soap and water physically remove soil and
microorganisms from visibly contaminated hands.
4.
Which component is included in Standard Precautions?
A. Hand hygiene
B. Airborne isolation for every patient
C. Prophylactic antibiotics
D. Universal sterilization of all equipment
Answer: A. Hand hygiene
,Rationale: Standard Precautions apply to all patients and include
hand hygiene, PPE based on anticipated exposure, respiratory
hygiene, safe injection practices, and appropriate handling of
equipment and surfaces.
5.
Standard Precautions are based primarily on the principle that:
A. Only patients with diagnosed infections are infectious
B. Blood and certain body fluids may contain infectious agents
C. Every patient requires airborne isolation
D. Antibiotics prevent most healthcare-associated infections
Answer: B. Blood and certain body fluids may contain infectious
agents
Rationale: Standard Precautions assume that potentially infectious
material may be present even when infection is not known.
6.
Which action is appropriate before putting on gloves?
A. Perform hand hygiene
B. Touch the patient
C. Disinfect the gloves
D. Apply lotion
Answer: A. Perform hand hygiene
Rationale: Hand hygiene should be performed before donning gloves
because gloves do not replace hand hygiene.
7.
, Which action is appropriate after removing gloves?
A. Skip hand hygiene
B. Perform hand hygiene
C. Put on another pair immediately
D. Touch clean supplies
Answer: B. Perform hand hygiene
Rationale: Hands can become contaminated during glove removal or
through microscopic glove defects.
8.
Gloves should be changed:
A. Only once per shift
B. Between patients and when contaminated during care
C. Only when visibly torn
D. Every 24 hours
Answer: B. Between patients and when contaminated during care
Rationale: Gloves are single-use barriers and must be changed
between patients and between contaminated and clean tasks.
9.
Which PPE protects the eyes from splashes?
A. Gown
B. Gloves
C. Goggles or face shield
D. Shoe covers
Answer: C. Goggles or face shield
