Deck 7: Infection Control

Question 1

Which of the following is an example of an engineering control?

A) Education and training
B) A sharps container
C) Using the one-handed scoop technique to recap a needle
D) Hand washing

Answer 1

A sharps container

Question 2

A(n)_____ should be part of a dental practice's personnel health program?

A) Infection-control education and training schedule
B) Predetermined number of personal days determined by job title and length of employment
C) Standard color and style for worker uniforms
D) Injury management protocol that allows an injured worker to seek care from the physician of his or her choice

Answer 2

Infection-control education and training schedule

Question 3

Low- to intermediate-level disinfectants used to clean environmental surfaces:

A) Rapidly inactivate human immunodeficiency virus (HIV)and hepatitis B virus (HBV)on clinical contact and housekeeping surfaces
B) Must be Food and Drug Administration registered
C) Are appropriate to disinfect floors,depending on type of contamination
D) All of the above
E) Both A and C

Answer 3

Both A and C

Question 4

Which of the following is the most effective and efficient method to protect dental healthcare personnel (DHCP)from occupational risks?

A) Wearing gloves
B) Using safer needles
C) Obtaining immunizations
D) Taking part in training

Question 5

Which type of precautions guards against exposure,not just to blood,but to all body fluids except sweat?

A) Generic
B) Universal
C) Standard
D) Transmission based
E) Isolation

Question 6

Which of the following is not usually worn as personal protective equipment when spatter of blood or body fluids is anticipated?

A) Jacket with long sleeves
B) Gloves
C) Head covering
D) Protective eyewear or face shield
E) Face mask

Question 7

Today,no effective vaccines are available for the following infections except which one?

A) Human immunodeficiency virus infection
B) Hepatitis C
C) Hepatitis B
D) Hepatitis A
E) Hepatitis C and D

Question 8

Which of the following modes of transmission most effectively transmits hepatitis B virus (HBV)and human immunodeficiency virus (HIV)?

A) Airborne
B) Direct contact
C) Droplet
D) Blood-borne

Question 9

Tuberculosis is transmitted by which of the following?

A) Airborne droplet nuclei
B) Saliva
C) Blood
D) Percutaneous puncture

Question 10

Which of the following statements is true regarding dental unit waterlines?

A) If municipal water is the source that enters the dental unit waterline,output will always meet drinking water quality standards.
B) Flushing the waterlines for more than 2 minutes at the beginning of the day reduces the biofilm in the waterlines.
C) Dentists should consult with the manufacturer of the dental unit or water delivery system to determine the best method for maintaining optimal water quality.
D) Dental units can reliably deliver water of optimal quality when used for irrigation during a surgical procedure.

Question 11

A(n)_____ is not a link in the "chain of infection."

A) Pathogen in sufficient numbers
B) Mode of transmission for the pathogen
C) Immune host
D) Portal of entry into a new host

Question 12

What is the most common type of sterilizer found in dental practices?

A) Dry heat sterilizer
B) Immersion chemical sterilant
C) Steam autoclave
D) Unsaturated chemical vapor sterilizer

Question 13

Which of the following statements is true regarding monitoring the correct functioning of a sterilizer?

A) A chemical indicator should be placed in a visible area of the package before sterilization processing.
B) A biologic indicator spore test should be processed through a sterilizer cycle at least once a week.
C) A biologic indicator control test matching the same lot of the spore test should be submitted with the sterilizer spore test.
D) Mechanical assessments of a sterilizer cycle time and temperature should be monitored.
E) All of the above are true.

Question 14

Which of the following pathogens is most likely to be transmitted in a dental healthcare setting if a blood-borne occupational exposure occurs?

A) Hepatitis B virus (HBV)
B) Hepatitis C virus (HCV)
C) Human immunodeficiency virus (HIV)
D) Mycobacterium tuberculosis

Question 15

All of the following statements regarding processing of contaminated instruments are true except which one?

A) Instruments should be processed in an area separate from where clean instruments are stored.
B) Personnel should wear heavy-duty utility gloves.
C) Instruments need cleaning only if they have visible contamination.
D) Instruments should be heat-sterilized unless they are heat-sensitive.
E) Cleaning an instrument precedes all sterilization and disinfection processes.

Question 16

Which of the following is true regarding a dental clinic infection-control program evaluation?

A) A method used to ensure a safe working environment should be in place to reduce the risk of healthcare-associated infections among patients and occupational exposures among dental healthcare personnel.
B) Evaluation of a program should include documenting periodic observational assessments,reviewing completed checklists,and reviewing occupational exposures.
C) An evaluation program does not improve an infection-control program.
D) Both A and B are correct.

Question 17

Factors to consider in assessing the need for follow-up after an occupational blood or body fluid exposure include which of the following?

A) The type of exposure
B) The type of body fluid
C) The blood-borne pathogen status of the source
D) The susceptibility of the exposed person
E) All of the above

Question 18

Which of the following is the first step in managing an occupational exposure?

A) Report the injury to the designated person in the practice setting.
B) Perform first aid.
C) Complete an exposure report.
D) Apply a strong disinfectant to the wound site.

Question 19

Which of the following is true regarding standard infection-control precautions?

A) Standard precautions are strategies used to reduce the risk of transmission of pathogens in healthcare settings.
B) Standard precautions should be used in caring for all patients,regardless of their infectious status.
C) Expanded or transmission-based precautions are used beyond standard precautions to interrupt the spread of certain pathogens.
D) Standard precautions apply to exposure to blood,all body fluids and secretions (except sweat),nonintact skin,and mucous membranes.
E) All of the above are true.

Question 20

All of the following are true regarding gloves except which one?

A) Certain hand lotions can affect the integrity of gloves.
B) Wearing gloves replaces the need for hand washing.
C) Sterile surgical gloves are recommended for oral surgical procedures.
D) The Food and Drug Administration has identified glove failure rates for manufacturers.
E) Certain glove materials can interfere with the setting of impression materials.

Question 21

If a physician states that a tuberculosis (TB)patient's infection is no longer contagious,then:

A) It is safe to provide elective treatment in the dental office
B) It is safe to provide elective dental treatment in the dental office,but N-95 respirators should be worn
C) It is safe to provide elective dental treatment,but only in a TB isolation setting
D) Wait 3 months to schedule elective dental treatment

Question 22

Infection-control training in a dental practice should include participation by:

A) Assistants and hygienists
B) The entire staff
C) The clinical staff
D) The staff who wish to participate

Question 23

If a patient is suspected of having clinically active tuberculosis (TB),the dental practitioner should first:

A) Proceed with treatment as planned
B) Wear a particulate respirator during treatment
C) Defer treatment and refer the patient for medical evaluation
D) Treat the patient in a TB isolation room

Question 24

Minimally,how often should a practice's infection-control program be evaluated?

A) Weekly
B) Monthly
C) Biannually
D) Annually