DANB ICE Practice Test with 100% correct answers 2024.

Which of the following diseases is caused by a bloodborne pathogen? - answer-Hepatitis C Examination gloves that are contaminated with blood or other potentially infectious materials (OPIM) that could be released during handling should be discarded in what type of waste container? - answer-Regulated Which of the following is the best method for managing components of dental instruments that cannot be detached from the dental unit? - answer-Cover with an impervious barrier that is changed before each patient. After completing the three-dose hepatitis B vaccination series, when should the vaccinated individual be tested for the proper antibody response? - answer-1 to 2 months What is the first step in instrument processing? - answer-cleaning Of the types of adverse reactions associated with latex gloves, which has the most serious potential health consequences? - answer-Type I hypersensitivity A dental dam is recommended as a barrier technique for infection control because it? - answer-reduces spatter of patients oral fluids. Which of the following is true when operating an ultrasonic cleaner? - answer-a cover must be used. To maintain infection control and operator safety, dental healthcare personnel should minimize: - answer-handling of contaminated instruments. What type of cleaning machine is used to clean contaminated instruments prior to sterilization? - answer-ultrasonic Between patients, what is the correct aseptic management of slow-speed handpiece attachments? - answer-Clean and sterilize The purpose of a holding solution is to - answer-prevent hardening of debris and body fluids on instruments Contaminated waste contains items that have come in contact with? - answer-body fluids. Alcohol-based hand rubs have been shown to be effective in hand antisepsis when the hands are: - answer-not visibly soiled Extracted teeth containing amalgam should be: - answer-disinfected using a high-level disinfectant and disposed as a hazardous waste. Patients with a history of an allergy to avocados or banana, are at increased risk of an allergy to? - answer-latex. Ultrasonic cleaning of instruments before sterilization is intended to? - answer-removed bioburded debris Which of the following is the first step in instrument processing? - answer-cleaning According to OSHA, the proper laundering or disposal of outer personal protective clothing (lab coats, gowns, etc.) is the responsibility of the - answer-employer. What is the main infection control advantage of using a rubber dam? - answer-It minimizes the number of oral microbes escaping the patient's mouth. According to the CDC, biological indicators for assessing sterilization are to be used: - answer-weekly Using traditional radiographic procedures, which of the following is considered a clinical contact surface? - answer-X-ray control panel According to OSHA, if an exposure incident to potentially infectious materials occurs, the employer is required to document all of the following EXCEPT the: - answer-medication given to the source patient. Overloading an autoclave may result in an: - answer-inability of steam to penetrate the materials. Which of the following is produced by the body in a successful response to the hepatitis B vaccine? - answer-antibody Which of the following is recommended for managing contamination of digital radiographic sensors that cannot be heat sterilized? - answer-The use of impervious barriers followed by cleaning and disinfection Most microbes in the human mouth are: - answer-bacterial The OSHA Hazard Communication Standard is based on the premise that an employee has the right to know about: - answer-Chemicals in the office. Who is responsible for ensuring the labeling of secondary containers of hazardous chemicals? - answer-The employer Reusable liquid hand soap containers should be - answer-emptied and washed before refilling When using the air water syringe during dental treatment, which of the following personal protective equipment is recommended by the CDC? - answer-Gloves, mask, gown, and eye protection The mechanism of disease transmission for influenza is - answer-droplet Which of the following should be used as a work practice control in the handling of sharps dropped on the floor? - answer-Hemostats, cotton pliers, or tongs Immunization against influenza is administered - answer-once a year Closing the lip and spitting into the saliva ejector may cause - answer-retraction toward the patients mouth When using the dry heat sterilizer, timing of the sterilization cycle begins when the - answer-correct temperature is reached Which of the following indicators is placed inside every package of instruments prior to sterilization? - answer-chemical Safety Data Sheets (SDSs) include information on the potential hazardous effects of: - answer-chemicals Waste containing toxic chemicals is also known as - answer-hazardous waste The written Occupational Safety and Health Administration (OSHA) Hazard Communication program describes the - answer-hazards and identities of chemicals used in the office What is an appropriate delivery method for irrigation during oral surgery? - answer-sterile water in a sterile bulb syringe According to the OSHA Bloodborne Pathogens Standard, protective eyewear must have - answer-solid side shields According to the Centers for Disease Control and Prevention, patient care items that penetrate soft tissue are categorized as - answer-critical Dental healthcare personnel should avoid wearing jewelry under gloves because jewelry may - answer-puncture the gloves Which of the following office training programs includes safety measures when using a hazardous chemical? - answer-written hazard communication To limit contamination, single-dose, injectable (parenteral) medications should be - answer-discarded after each use including leftover contents. The material in dental unit waterlines responsible for contaminating the treatment water is commonly referred to as a microbial - answer-biofilm What type of gloves should be worn to protect the hands of dental healthcare personnel during instrument processing and operatory cleanup? - answer-utility housekeeping If extracted amalgam-filled teeth are sterilized in a steam autoclave, the process may - answer-cause hazardous vapor Sterile surgical gloves sold in the United States must meet the standards of which regulatory agency? - answer-FDA What is the infection control protocol when working with an HIV-positive patient? - answer-Use standard precautions What type of gloves should be worn to protect the hands of dental healthcare personnel during instrument processing and operatory cleanup? - answer-utility housekeeping Prior to sterilization, loose contaminated instruments are processed in an ultrasonic cleaner in order to - answer-remove large debris Which of the following procedures help document a quality assurance program for infection control in the office? - answer-Recording results of sterilization monitoring procedures. All dental healthcare personnel should have a tuberculin skin test - answer-as a baseline, preferably before hire. Which party is responsible for ensuring a Safety Data Sheet is available in the workplace for each hazardous material? - answer-employer While cleaning contaminated instruments, an assistant receives a percutaneous injury to the finger. The assistant should FIRST - answer-wash hands with soap hand water Who supplies the original Safety Data Sheets? - answer-chemical manufacturer A program evaluation method for post-exposure management should include which of the following? - answer-Review of the plan with the dental team The "dirty" area of the instrument processing area is used for instrument - answer-cleaning Which of the following is an example of a clinical contact surface? - answer-counter tops How must contaminated reusable sharp instruments be transported from the treatment area to the processing area? - answer-In a puncture-resistant container that is leakproof on the sides and bottom Safety Data Sheets (SDSs) are required by OSHA's - answer-hazard communication standard Which of the following greatly reduces or eliminates biofilm in the dental unit water system? - answer-using chemical treatments Sterilized instrument packages should be stored - answer-in closed storage cabinets Following an employee's exposure to a patient's blood from a needlestick injury, information must be provided to the evaluating healthcare professional that includes - answer-a description of the exposed employee's duties Which of the following statements most accurately defines engineering controls? - answer-materials and devices that prevent employee expsoure Heat sterilization of extracted teeth may result in - answer-the vaporization of mercury, presenting a health hazard What is the length of time that employers must maintain Hazard Communication training records? - answer-training records are not required Which of the following is the best environmental infection control practice for clinical contact surfaces with irregular surfaces (e.g., switches, connections, etc.)? - answer-covering surfaces with fluid impervious barriers During a boil-water advisory, it is acceptable to use - answer-bottled water for patient rinsing A surgical mask should be changed - answer-After every patient How should a cotton roll be retrieved from a bulk container at chairside during patient treatment? - answer-With sterile cotton pliers or tongs Which of the following should be used when performing oral surgical procedures? - answer-Surgical hand antisepsis, sterile surgeon's gloves and sterile water delivery system After an exposure incident, the employer must provide the evaluating physician with a description of the - answer-employees relevant duties What is the recommended procedure when a sterilizer fails two consecutive spore tests? - answer-Do not use the sterilizer until the reason for failure has been determined and corrected. Which of the following verifies that the sterilization process destroyed all microbes? - answer-negative spore test results Sharps containers in dental practice settings must be - answer-replaced when items reach the marked fill-line on the container. According to OSHA, appropriate protective eyewear must - answer-have side shields. Which of the following best describes the appropriate container for a biopsy specimen? - answer-Single-use leakproof container with a biohazard symbol who is responsible regulated waste disposal? - answer-The generating facility Torn gloves should be replaced - answer-as soon as possible The "one-handed scoop" technique while recapping a reusable anesthetic needle is an example of what type of control? - answer-work practice What is the proper method for decontaminating impressions before sending them to the laboratory? - answer-Clean and disinfect What is the minimum temperature a steam sterilizer should reach to achieve sterilization? A. 121 degrees F B. 100 degrees C C. 100 degrees F D. 121 degrees C - answer-121 degrees C The most severe outcome of latex allergy is A. anaphylaxis. B. urticaria. C. irritant dermatitis. D. allergic dermatitis. - answer-anaphylaxis Isopropyl alcohol performs best as a(n) A. sterilant. B. antiseptic. C. disinfectant. D. cleaner. - answer-antiseptic Which of the following devices have been associated with dental water-line biofilm? A. Curing lights B. Slow speed handpieces C. Air abrasion units D. Ultrasonic scalers - answer-Ultrasonic scalers Who is responsible for the evaluation of hazardous chemicals? A. Importers and distributors B. Distributors and employers C. Chemical manufacturers and employers D. Chemical manufacturers and importers - answer-Chemical manufacturers and importers To maintain the sterility of instruments they must be - answer-packaged prior to sterilization. Which of the following modes of disease transmission best describes a human bite? - answer-parental A scavenger unit is used for respiratory protection during the use of - answer-nitrous oxide According to the OSHA Bloodborne Pathogens Standard, the written exposure control plan must be updated at least - answer-annually A needlestick involving a used anesthetic syringe can lead to what type of microbial contact? - answer-indirect Employees must receive training regarding hazardous chemicals at which interval? - answer-Upon hire and whenever a new hazard is introduced. During normal use, which of the following is the most likely hazard for a dentist using a curing light? - answer-eye exposure to the light Instrument cassettes should be wrapped - answer-after cleaning and before sterilization An exposure control plan must be updated - answer-annually and when new or modified tasks are introduced. When processing hinged instruments, it is best to place them in the sterilizer - answer-open and unlocked. Wearing a punctured glove during patient care may result in which type of microbial contact? - answer-Direct The Occupational Safety and Health Administration (OSHA) is the government regulating body concerned with - answer-the health and safety of employees. During instrument processing, the ultrasonic unit is intended to - answer-During instrument processing, the ultrasonic unit is intended to Which of the following organizations regulates sterilization packaging material in the United States? - answer-FDA When conducting an infection control training program, the trainer must provide training in the - answer-language of and at the literacy level of the employee. Hepatitis D is a - answer-Coinfection with Hepatitis B A person with a latent tuberculosis infection will - answer-: have a positive skin test and no symptoms of active tuberculosis. According to the Occupational Safety and Health Administration (OSHA), a bloodborne pathogens training program should include a general explanation of - answer-the epidemiology and modes of disease transmission. Which of the following United States agencies regulate the labeling of single-use medical devices? - answer-FDA According to OSHA, protective eyewear, surgical masks, gloves and gowns or lab coats are - answer-PPE According to the CDC, to reduce the contamination of cleaning solutions, reusable mops used on housekeeping surfaces should be - answer-cleaned and dried before reuse What infection control category of instruments do metal impression trays fall? - answer-semicritical Routine handwashing for dental healthcare personnel includes the use of - answer-water and plain soap Which of the following is an example of an OSHA-required sharp with engineered injury protection? - answer-A self-sheathing needle attached to a dental anesthetic syringe In a dental setting, the clinical supply refrigerator may be used for the preservation of: - answer-bonding materials. Biofilm often occurs in - answer-untreated dental unit waterlines Work practice controls include the use of a - answer-one-handed recapping technique The main purpose of surgical hand antisepsis is to - answer-reduce the chance for contamination of the patient if the gloves become punctured or torn. After steam sterilization (autoclaving), packs of instruments should be cooled and dried - answer-inside the sterilizer. Which of the following would be regulated under OSHA's Hazard Communication Standard? - answer-Bonding etchant Which set of precautions is intended to prevent exposure to all body fluids? - answer-standard When instruments cannot be immediately cleaned, they can be placed in a holding solution to - answer-prevent drying of blood and organic matter. Which of the following diseases can be prevented by immunization? - answer-Hepatitis B Which federal agency regulates medical sterilizers? - answer-FDA Which of the following personal protective equipment would best protect the dental healthcare personnel from conjunctivitis? A. Gloves B. Mask C. Gown D. Goggles - answer-Goggles To prepare for sterilization, the high-speed handpiece and reusable air-water syringe tip should be flushed with water - answer-: after each patient. Which of the following vaccine-preventable diseases pose the greatest risk of transmission in a dental office setting? - answer-influenza The CDC recommends that dental unit water-lines at least meet the - answer-Environmental Protection Agency (EPA) standard for drinking water. What should be done if the Safety Data Sheet (SDS) is not available in the office for a given material? - answer-Do not use the material until the MSDS is reviewed Oral surgical procedures require the use of - answer-sterile irrigating solutions using a sterile delivery system The majority of organisms that make up dental unit waterline biofilm consist of - answer-water bacteria. Which of the following steam autoclave settings and times are most effective for sterilization of wrapped instruments? - answer-121 C at 15 psi for 30 minutes Biological indicators for monitoring an autoclave or an unsaturated chemical vapor unit contain spores of - answer-Geobacillus stearothermophilus. According to the CDC, how long should sterilization monitoring records be kept? - answer-as required by state and local regulations Which method is most effective in preventing contamination of the x-ray unit control panel? - answer-Changing barriers after each patient A chemical indicator is placed inside each package of instruments to assess the - answer-physical conditions acceptable for sterilization The microbial skin flora that do not colonize and do not survive on the hands for long periods are - answer-transient flora Which of the following is recommended by CDC to prevent contamination of components of dental equipment that are permanently attached to the dental unit? - answer-use fluid impervious barriers According to OSHA, safety measures that should be taken when using bonding materials with potential chemical hazards must be found in a - answer-Safety data sheet Who is responsible for obtaining the Material and Safety Data Sheets? - answer-employer According to OSHA, within how many days after an exposure incident must the employer provide the employee with a copy of the evaluating healthcare professional's opinion? - answer-15 days After washing hands at a faucet that is not automatic, the dental healthcare personnel should - answer-use a paper towel to turn off the faucet Minimally, how often should the exposure control program be reviewed? - answer-annually Reuse of a nonsterile explorer on the next patient can lead to what type of microbial contact? - answer-indirect What are the three types of sterilization monitoring? - answer-mechanical, physical, and biological According to the OSHA Bloodborne Pathogens Standard, employers must provide employees with education and training on the standard at least - answer-annually Which of the following is recommended to minimize occupational exposure to atmospheric nitrous oxide? - answer-use a properly fitting mask on the patient Which of the following demonstrates an appropriate fill level for a sharps container? - answer-3/4 full An appropriate method of ensuring dental healthcare personnel immunizations are complete and current is to - answer-conduct an annual review of personnel immunization records. Mechanical monitoring of the sterilization process should occur with - answer-every load What agency regulates the registration of hospital disinfectants? - answer-EPA What is the correct percentage of sodium hypochlorite to water when mixing an intermediate level solution of sodium hypochlorite for surface disinfection? - answer-10% bleach Solutions used for cooling and irrigating during oral surgical procedures are best delivered through - answer-a sterile delivery device Routine handwashing removes - answer-most of the transient microbes and some of the resident microbes Alcohol hand rubs are intended - answer-for hands that are not visibly soiled Which of the following is regulated medical waste? - answer-Biopsy tissue Hands should be washed just before - answer-putting on gloves When putting on personal protective equipment, which barrier should be put on last, just before patient care begins? - answer-gloves In order to be considered an intermediate-level disinfectant, a germicidal agent must be able to kill/inactivate - answer-M. tuberculosis. The majority of the spray produced by dental handpieces consists of - answer-spatter Which of the following viral infections can be prevented through immunization? - answer-hepatitis B A used dental anesthetic needle is an example of - answer-Regulated waste The purpose of dating packages of sterilized instruments is to - answer-retrieve packs in the event of a sterilization failure. The correct steps to take when a glove rips or tears during a procedure are - answer-remove the glove, wash and dry hands, place new glove. Which of the following is an infection control program evaluation document? - answer-exposure incident report For the purposes of infection control, in which category do digital x-ray sensors fall? - answer-semi-critical Which barrier should be removed before temporarily leaving a patient to retrieve supplies? - answer-gloves Sterile packaged instruments must be repackaged and resterilized when the - answer-packaging material is compromised What is the proper management for work surfaces that become contaminated with blood? - answer-Clean and then disinfect Which of the following is included in an exposure control plan? - answer-The evaluation of safety devices According to the OSHA Bloodborne Pathogens Standard, a contaminated sharps container should be - answer-puncture resistant and close-able. When should single-use items be used for patient treatment? - answer-whenever possible Gloves are single-use items that are intended to be used during the treatment of - answer-no more than one patient Instruments with the greatest risk of transmitting infection are - answer-critical instruments Used radiograph fixer solution is usually considered - answer-hazardous waste The hazards of disinfectants should be found on the Safety Data Sheets (SDSs) as required by the - answer-OSHA Hazard Communication Standard. What does the Centers for Disease Control and Prevention (CDC) recommend if a patient presents in a dental practice with symptoms of M. tuberculosis? - answer-Defer elective dental treatment until the physician confirms the patient is no longer contagious. Exposure of dental healthcare personnel to nitrous oxide gases can be reduced by - answer-using a scavenging system on the nitrous oxide equipment. a blood-soaked gauze is an example of: - answer-regulated or biohazardous waste. According to OSHA, when developing an exposure control plan, an employer should seek the input of: - answer-employees who have direct patient contact Which type of hand barrier is appropriate for use while handling used sharp instruments during the cleaning and sterilization processes? - answer-Heavy-duty utility gloves Which of the following precautions best describes what to do when removing and placing surface covers? - answer-wear exam gloves when removing and clean bare hands when replacing One of the most important sources in preventing the spread of disease is proper hygiene of one's - answer-hands During the sterilization process, how often should chemical monitoring be performed? - answer-With every package of instruments A dental assistant who receives an accidental exposure on the skin from a contaminated source should first - answer-wash the exposed skin with soap and water. A single-use item reduces the risk of disease transmission because it is - answer-discarded and not re-used. Which microorganism is used to identify a disinfectant as intermediate-level? - answer-M. tuberculosis var. bovis To reduce the risk of disease transmission in the dental office, it is recommended to - answer-use disposable items whenever possible. According to the Occupational Safety and Health Administration (OSHA), training on bloodborne pathogens should be provided to the dental staff at a minimum at the time of initial employment and thereafter every - answer-year According to the CDC, which infection control measure is considered the most critical for reducing the transmission of microbes in the healthcare setting? - answer-Handwashing After patient use, a single-use dental item must be - answer-discarded The CDC recommends which of the following standards for colony forming units of bacteria (CFU)/mL) in dental treatment water used for routine dental procedures? - answer-less than 500 How should a used anesthetic needle be handled before placing it in a sharps container? - answer-recap it and remove it from the syringe Oral surgical procedures require dental unit water that is - answer-sterile The primary active agent in the solution used for unsaturated chemical vapor sterilization is - answer-formaldehyde. Where can information on the chemical and physical properties of mercury be found? - answer-Safety Data Sheet Besides alcohol, which of the following is a common antimicrobial agent found in hand hygiene products? - answer-Chlorohexidine The primary reason a surgical face mask must be used during a dental procedure is to - answer-protect the DHCP from exposure to spatter. When should chairside environmental barriers be changed? - answer-after each patient High-level disinfectants should be used - answer-according to the manufacturer's directions The accessibility of the exposure control plan for employees is the responsibility of the - answer-employer According to the OSHA Bloodborne Pathogens Standard, each dental office must have an exposure control plan that is - answer-written and reviewed at least once a year The prevalence of hepatitis C infection among health care workers in the United States is similar to that of the general population which is estimated to be - answer-1-2%