CNA and PCT Infection Control Exam Review |
Comprehensive Standard Precautions, Transmission-
Based Precautions, Hand Hygiene Protocols,
Personal Protective Equipment (PPE) Use,
Sterilization and Disinfection Procedures,
Bloodborne Pathogen Safety, and Patient Care
Infection Prevention for Certified Nursing Assistant
and Patient Care Technician Exams | Updated 2026
Healthcare Study Resource
, Question 1
Which of the following actions is the most effective way to prevent the spread of
infection in a healthcare setting?
A) Wearing sterile gloves for all patient interactions
B) Proper hand hygiene
C) Using disinfectants on all surfaces
D) Avoiding contact with patients showing signs of infection
Correct Answer: B) Proper hand hygiene
Rationale: Hand hygiene is universally acknowledged as the most critical practice in
infection control. It significantly reduces the transmission of pathogens and is the first
line of defense in preventing healthcare-associated infections (HAIs). While wearing
gloves and disinfecting surfaces are important, they are not substitutes for proper hand
hygiene.
Question 2
A patient diagnosed with tuberculosis (TB) is placed in a negative pressure room.
What is the primary reason for this placement?
A) To provide the patient with privacy during treatment
B) To prevent airborne transmission of infectious droplets
C) To ensure that the patient receives adequate ventilation
D) To contain all medical equipment within the room
Correct Answer: B) To prevent airborne transmission of infectious droplets
Rationale: Negative pressure rooms are designed to contain airborne pathogens, such
as those from a TB patient, within the room and prevent them from spreading to other
areas of the healthcare facility. The airflow is directed into the room and not out, thus
minimizing the risk of airborne transmission to other patients and staff.
Question 3
What is the most appropriate action for a CNA to take when a blood spill occurs on
a nonporous surface?
A) Wipe it up with a paper towel and disinfect the area afterwards
B) Notify the nurse and leave it for them to clean
C) Use gloves, absorb the blood with a paper towel, and then disinfect the area
D) Use a mop to clean the area immediately
Correct Answer: C) Use gloves, absorb the blood with a paper towel, and then
disinfect the area
Rationale: In the event of a blood spill, the CNA should take appropriate precautions to
Comprehensive Standard Precautions, Transmission-
Based Precautions, Hand Hygiene Protocols,
Personal Protective Equipment (PPE) Use,
Sterilization and Disinfection Procedures,
Bloodborne Pathogen Safety, and Patient Care
Infection Prevention for Certified Nursing Assistant
and Patient Care Technician Exams | Updated 2026
Healthcare Study Resource
, Question 1
Which of the following actions is the most effective way to prevent the spread of
infection in a healthcare setting?
A) Wearing sterile gloves for all patient interactions
B) Proper hand hygiene
C) Using disinfectants on all surfaces
D) Avoiding contact with patients showing signs of infection
Correct Answer: B) Proper hand hygiene
Rationale: Hand hygiene is universally acknowledged as the most critical practice in
infection control. It significantly reduces the transmission of pathogens and is the first
line of defense in preventing healthcare-associated infections (HAIs). While wearing
gloves and disinfecting surfaces are important, they are not substitutes for proper hand
hygiene.
Question 2
A patient diagnosed with tuberculosis (TB) is placed in a negative pressure room.
What is the primary reason for this placement?
A) To provide the patient with privacy during treatment
B) To prevent airborne transmission of infectious droplets
C) To ensure that the patient receives adequate ventilation
D) To contain all medical equipment within the room
Correct Answer: B) To prevent airborne transmission of infectious droplets
Rationale: Negative pressure rooms are designed to contain airborne pathogens, such
as those from a TB patient, within the room and prevent them from spreading to other
areas of the healthcare facility. The airflow is directed into the room and not out, thus
minimizing the risk of airborne transmission to other patients and staff.
Question 3
What is the most appropriate action for a CNA to take when a blood spill occurs on
a nonporous surface?
A) Wipe it up with a paper towel and disinfect the area afterwards
B) Notify the nurse and leave it for them to clean
C) Use gloves, absorb the blood with a paper towel, and then disinfect the area
D) Use a mop to clean the area immediately
Correct Answer: C) Use gloves, absorb the blood with a paper towel, and then
disinfect the area
Rationale: In the event of a blood spill, the CNA should take appropriate precautions to
