NC STERILIZATION /INFECTION CONTROL EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL-DEFINED ANSWERS LATEST ALREADY GRADED
A+ 2026
Question 1
If an employee is exposed to potentially infectious materials on the job, which vaccine may they
request as part of the post-exposure protocol?
A) Hepatitis A
B) Hepatitis B
C) Hepatitis C
D) Tuberculosis (BCG)
E) Human Immunodeficiency Virus (HIV)
Correct Answer: B) Hepatitis B
Rationale: Per OSHA and CDC guidelines, the Hepatitis B vaccine must be made available
to any employee who has a potential occupational exposure to blood or other potentially
infectious materials (OPIM).
Question 2
True or False: As a result of aerosols and splatter generated during dental procedures, all
operatory surfaces are subject to potential contamination.
A) True
B) False
C) Only surfaces within 3 feet
D) Only if blood is visible
E) Only if the patient has a known infection
Correct Answer: A) True
Rationale: Dental procedures often use high-speed handpieces and ultrasonic scalers that
create aerosols. These particles can stay airborne and settle on any surface within the
operatory, necessitating universal surface disinfection.
Question 3
While it is wise for dental professionals to keep all immunizations up to date, which specific
immunization must be provided and paid for by the employer?
A) Influenza
B) Tetanus
C) Hepatitis B
D) Measles, Mumps, Rubella (MMR)
E) Varicella
Correct Answer: C) Hepatitis B
Rationale: The OSHA Bloodborne Pathogens Standard requires employers to offer the
Hepatitis B vaccination series at no cost to all employees who have occupational exposure.
Question 4
When is it mandatory for a clinician to remove barrier gloves, wash their hands, and don a new
, 2
pair?
A) Only at the end of the day
B) Every hour, regardless of activity
C) Between patients or if the gloves become torn or punctured
D) Only if blood is visible on the glove
E) After every three patients
Correct Answer: C) Between patients or if the gloves become torn or punctured
Rationale: Gloves must be changed between every patient to prevent cross-contamination. If
the integrity of the glove is compromised by a tear or puncture, it no longer provides a
barrier and must be replaced immediately.
Question 5
Which of the following is NOT an example of occupational exposure, assuming the clinician is
not wearing PPE?
A) A needle stick with a used anesthetic needle
B) Blood splashing into the clinician’s eye
C) Measuring a patient's blood pressure
D) Saliva contacting an open sore on the clinician’s hand
E) A puncture from a contaminated instrument during cleaning
Correct Answer: C) Measuring a patient's blood pressure
Rationale: Occupational exposure is defined as skin, eye, mucous membrane, or parenteral
contact with blood or OPIM. Measuring blood pressure is a non-invasive procedure that
does not typically involve contact with bodily fluids.
Question 6
In a dental setting, who should evaluate an occupational exposure incident involving blood or
OPIM (including saliva)?
A) The office manager
B) A qualified health care professional
C) The clinician who was exposed
D) The patient
E) No evaluation is needed if the patient looks healthy
Correct Answer: B) A qualified health care professional
Rationale: All exposure incidents must be evaluated by a qualified healthcare professional
to determine the risk of disease transmission and the need for post-exposure prophylaxis
(PEP).
Question 7
Health care personnel should restrict their practice or exclude themselves from duty if infected
with any of the following conditions EXCEPT:
A) Hepatitis B (if they are a carrier and perform invasive procedures)
QUESTIONS AND CORRECTLY WELL-DEFINED ANSWERS LATEST ALREADY GRADED
A+ 2026
Question 1
If an employee is exposed to potentially infectious materials on the job, which vaccine may they
request as part of the post-exposure protocol?
A) Hepatitis A
B) Hepatitis B
C) Hepatitis C
D) Tuberculosis (BCG)
E) Human Immunodeficiency Virus (HIV)
Correct Answer: B) Hepatitis B
Rationale: Per OSHA and CDC guidelines, the Hepatitis B vaccine must be made available
to any employee who has a potential occupational exposure to blood or other potentially
infectious materials (OPIM).
Question 2
True or False: As a result of aerosols and splatter generated during dental procedures, all
operatory surfaces are subject to potential contamination.
A) True
B) False
C) Only surfaces within 3 feet
D) Only if blood is visible
E) Only if the patient has a known infection
Correct Answer: A) True
Rationale: Dental procedures often use high-speed handpieces and ultrasonic scalers that
create aerosols. These particles can stay airborne and settle on any surface within the
operatory, necessitating universal surface disinfection.
Question 3
While it is wise for dental professionals to keep all immunizations up to date, which specific
immunization must be provided and paid for by the employer?
A) Influenza
B) Tetanus
C) Hepatitis B
D) Measles, Mumps, Rubella (MMR)
E) Varicella
Correct Answer: C) Hepatitis B
Rationale: The OSHA Bloodborne Pathogens Standard requires employers to offer the
Hepatitis B vaccination series at no cost to all employees who have occupational exposure.
Question 4
When is it mandatory for a clinician to remove barrier gloves, wash their hands, and don a new
, 2
pair?
A) Only at the end of the day
B) Every hour, regardless of activity
C) Between patients or if the gloves become torn or punctured
D) Only if blood is visible on the glove
E) After every three patients
Correct Answer: C) Between patients or if the gloves become torn or punctured
Rationale: Gloves must be changed between every patient to prevent cross-contamination. If
the integrity of the glove is compromised by a tear or puncture, it no longer provides a
barrier and must be replaced immediately.
Question 5
Which of the following is NOT an example of occupational exposure, assuming the clinician is
not wearing PPE?
A) A needle stick with a used anesthetic needle
B) Blood splashing into the clinician’s eye
C) Measuring a patient's blood pressure
D) Saliva contacting an open sore on the clinician’s hand
E) A puncture from a contaminated instrument during cleaning
Correct Answer: C) Measuring a patient's blood pressure
Rationale: Occupational exposure is defined as skin, eye, mucous membrane, or parenteral
contact with blood or OPIM. Measuring blood pressure is a non-invasive procedure that
does not typically involve contact with bodily fluids.
Question 6
In a dental setting, who should evaluate an occupational exposure incident involving blood or
OPIM (including saliva)?
A) The office manager
B) A qualified health care professional
C) The clinician who was exposed
D) The patient
E) No evaluation is needed if the patient looks healthy
Correct Answer: B) A qualified health care professional
Rationale: All exposure incidents must be evaluated by a qualified healthcare professional
to determine the risk of disease transmission and the need for post-exposure prophylaxis
(PEP).
Question 7
Health care personnel should restrict their practice or exclude themselves from duty if infected
with any of the following conditions EXCEPT:
A) Hepatitis B (if they are a carrier and perform invasive procedures)
