Page 1 of 179
Sub Assessment Final Exam Test Questions
with Correct Answers
1. A patient has active pulmonary tuberculosis. Which type of
precautions should the sub implement?
• A) Standard precautions only
• B) Contact precautions
• C) Droplet precautions
• D) Airborne precautions
Correct Answer: D
Rationale: TB is transmitted via airborne droplet nuclei;
requires N95 respirator and negative pressure room.
,Page 2 of 179
2. The sub is about to perform a wound dressing change.
When should hand hygiene be performed?
• A) Before putting on gloves only
• B) After removing gloves only
• C) Both before and after the procedure
• D) Only if visible soil is present
Correct Answer: C
Rationale: Hand hygiene is required before touching the
patient/gloves and immediately after glove removal to
prevent cross-contamination.
3. Which of the following is the correct order for removing
PPE?
• A) Gloves, gown, mask, eye protection
• B) Gown, gloves, mask, eye protection
• C) Mask, eye protection, gloves, gown
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• D) Gloves, gown, eye protection, mask
Correct Answer: D
Rationale: Remove most contaminated items first (gloves),
then gown, then eye protection, then mask to avoid
touching contaminated surfaces.
4. Scenario: A patient has Clostridioides difficile infection with
diarrhea. The sub enters the room. Which hand hygiene
method is required?
• A) Alcohol-based hand rub only
• B) Soap and water only
• C) Either soap and water or alcohol rub
• D) No hand hygiene needed if gloves are worn
Correct Answer: B
Rationale: Alcohol-based rub does not kill C. diff spores;
mechanical action of soap and water is required.
5. How long should the sub rub hands together during
handwashing with soap and water?
, Page 4 of 179
• A) 5 seconds
• B) 10 seconds
• C) At least 20 seconds
• D) 1 minute
Correct Answer: C
Rationale: CDC recommends at least 20 seconds for
effective pathogen removal.
6. Which patient requires contact precautions?
• A) Patient with influenza
• B) Patient with MRSA in a wound
• C) Patient with pneumonia
• D) Patient with urinary tract infection
Correct Answer: B
Rationale: MRSA is spread by direct contact; requires gown
and gloves for all room entry.
Sub Assessment Final Exam Test Questions
with Correct Answers
1. A patient has active pulmonary tuberculosis. Which type of
precautions should the sub implement?
• A) Standard precautions only
• B) Contact precautions
• C) Droplet precautions
• D) Airborne precautions
Correct Answer: D
Rationale: TB is transmitted via airborne droplet nuclei;
requires N95 respirator and negative pressure room.
,Page 2 of 179
2. The sub is about to perform a wound dressing change.
When should hand hygiene be performed?
• A) Before putting on gloves only
• B) After removing gloves only
• C) Both before and after the procedure
• D) Only if visible soil is present
Correct Answer: C
Rationale: Hand hygiene is required before touching the
patient/gloves and immediately after glove removal to
prevent cross-contamination.
3. Which of the following is the correct order for removing
PPE?
• A) Gloves, gown, mask, eye protection
• B) Gown, gloves, mask, eye protection
• C) Mask, eye protection, gloves, gown
,Page 3 of 179
• D) Gloves, gown, eye protection, mask
Correct Answer: D
Rationale: Remove most contaminated items first (gloves),
then gown, then eye protection, then mask to avoid
touching contaminated surfaces.
4. Scenario: A patient has Clostridioides difficile infection with
diarrhea. The sub enters the room. Which hand hygiene
method is required?
• A) Alcohol-based hand rub only
• B) Soap and water only
• C) Either soap and water or alcohol rub
• D) No hand hygiene needed if gloves are worn
Correct Answer: B
Rationale: Alcohol-based rub does not kill C. diff spores;
mechanical action of soap and water is required.
5. How long should the sub rub hands together during
handwashing with soap and water?
, Page 4 of 179
• A) 5 seconds
• B) 10 seconds
• C) At least 20 seconds
• D) 1 minute
Correct Answer: C
Rationale: CDC recommends at least 20 seconds for
effective pathogen removal.
6. Which patient requires contact precautions?
• A) Patient with influenza
• B) Patient with MRSA in a wound
• C) Patient with pneumonia
• D) Patient with urinary tract infection
Correct Answer: B
Rationale: MRSA is spread by direct contact; requires gown
and gloves for all room entry.
