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Infection Control
DANB
| Question | Answer |
|---|---|
| best procedure for caring for a contaminated needle | sharps container |
| Define antiseptic. | a substance that inhibits the growth of bacteria |
| Which of the follwoing statements is true concerning cleaning and disinfection of the dental unit and environmental surfaces? | an intermediate level disinfectant is recommended |
| Manufacturers of sterilizers set them to reach a maximum steam temperature of ___ degrees F and presure of ___ pound per square inch (psi). | 250 and 15-30 |
| Which of the following exemplifies an acute infection? | common cold |
| The use of a preprocdural mouth rinse can lower the number of microorganisms that may escape a patient's mouth through which of the following routes? | aerosals |
| The transmission of a disease to a susceptible person by handling contaminated instruments or by touching the face, eyes, or mouth is referred to as: | indirect transmission |
| From the liste below, select the best procedure for caring for a saliva ejector. | discard into the trash |
| Which of the following is an example of parenteral disease transmission in dentistry? | needle stick injury, cuts, abrasions, or any break in the skin |
| The most common route of disease transmission in the dental office is through: | direct contact with patients blood or saliva |
| Which of the following is considered regulated waste (biohazard)? | pathogenic waste |
| Before dental x-ray films are exposed, the treatment area must be prepared using: | aseptic techniques |
| Which of the following is not a recommended method for sterilizing dental burs? | chemical liquid sterilization |
| Which of the following are considred to be semicritical instruments in radiography? | x-ray film holding devices |
| Immersion in a chemical liquid sterilant requires at least ____ hour(s) of contact time for sterilization to occur. | 10 |
| Recommendations concerning goves would fall under which of the following categories of infection control practices that directly relate to dental radiography procedures? | protective attire and barrier techniques |
| ___ infection is the mode of disease transmission that involves large-particle droplet spatter. ___infection invoves minute particles that can remain in the air for hours and can be inhaled. | droplet, aerosol |
| Microorganisms that produce disease in humans are known as: | pathogens |
| Which method is used to sterilize unwrapped insturments for immediate use? | flash sterilization |
| When using medical latex or vinyl gloves, ____. | nonsterile gloves are recommended for examinations and noninvasive procedures |
| All dental professionals must use surgical masks and protective eyewear to protect the eyes and face: | whenever spatter and aerosoloized sprays of blood and saliva are likely |
| From the list below,s elect the best procedure for caring for a handpiece. | steam under pressure without emulsion |
| Which of the following may be used for surface disinfectant in the dental office? | iodophors |
| According to CDC guidelines, when transporting a biopsy specimen, it shoud be: | placed in a sturdy, leak-proof container labeled with a biohazard symbol. |
| When can a liquid sterilant or high-level disinfectant achieve sterilization? | when the solution is used only for the longer exposure times. |
| What type of sterilization used in the dental office requires the highest temperature? | dry heat sterilization |
| During which of the following procedures would you use sterile surgical gloves? | surgical removal of 3rd molars |
| From the list below, select the best procedure for caring for a mouth mirror. | steam under pressure without emulsion |
| Exam gloves used during dental treatment can be made of: | latex or nitrile |
| An infection that results from a defective immune system that cannot defend against pathogens normally found in the environment is a(n): | opportunistic infection |
| From the list below, select the best procedure for caring for a pair of crown and collar scissors. | steam under pressure with emulsion |
| Which of the following PPE is removed first after the completion of a surgical procedure? | gown |
| After accepting employment you opt not to receive a hepatitis B caccination and have signed a waiver to this effect. You have the roght to: | change your mind and the employer is required to provide the vaccination |
| From the list below, select the best procedure for caring for an explorer. | steam under pressure |
| When a package of hazardous infection waste is being prepared for disposal, which of the following should be considered? | All infectious waste destined for disposal should be placed in closable, leak-proof containers or bags that are color coded or labledl appropriately. |
| Which method of sterilziation requires good ventilation? | chemical vapor |
| When immunity is present at birth, it is referred to as: | inherited immunity |
| A chronic infection is best exemplified by which of the following: | human immunodeficiency virus |
| Which of the following statements is true as it applies to the use of overgloves? | Overgloves are placed before the secondary procedure is performed and are removed before patient treatment is resumed. |
| ____ immunity occurs when a vaccination is administered and the body forms antibodies in response to the vaccine. | Active artificial |
| The strength of an organism in its ability to produce disease is: | virulence |
| Which of the following would be considered the best method for determining whether there is proper sterilization function of a sterilizer? | a biological spore test through a monitoring system |
| Pathogens that are carried in the blood and body fluids of infected individuals and that can be transmitted to others are referred to as: | bloodborne |
| While taking a patient's health history, it is noted that there is a history of tuberculosis and the patient is currently experinecing symptoms of the disease. Which of the following would not be appropriate action in the office? | Tell the patient you will not be able to treat him or her anymore. |
| ___ is defined as the absence of pathogens, or disease-causing microorganisms. | asepsis |
| All dental assistants involved in direct patient care must undergo routine training in: | infection control, safety issues, and hazard communications |
| From the list below, select the best procedure for caring for a pair of protective glasses. | soap, water, and disinfectant |
| Insturments must be absolutely dry or they will rust or have an ash layer when using whicy type of sterilization process? | chemical vapor |
| Protective clothing: | must precent skin and mucous membrane exposure when contact with blood or other bodily fluids is anticipated. |
| Bacteria can be identified by shape. Which of the following is the shape of bacilli? | rod |
| Wastes are classified as hazardous if they are: | ignitable |
| The ADA, OSAP, and CDC recommend that dental assistants flush the dental unit waterlines: | for 30 seconds each morning and between patients |
| Which of the following activities should be avoided during the use of nitrous oxide during conscious sedation? | Maintaining conversation with the patient |
| Which of the following statements is true as it relates to the environmental infection control in a clinical area? | avoid the use of carpet and cloth-upholstered furnishings |
| Distillation of water is a ___ process that may remove volatile chemicals, endotoxins, and some microorganisms. | purification |
| A chronic infection is best exemplified by which of the following? | human immunodeficiency virus |
| The Organization for Safety and Asepsis Procedures (OSAP) identifies the classification of clinical touch surfaces to include which of the following? | light handles, dental unit controls, and chair switches |
| How often should a dental assistant or office safety supervisor check the contents of the emergnecy kit to determine that the contents are in lace and within the expiration date? | weekly |
| Which of the following is the goal of a sound infection control program to reduce cross-contamination? | dental team members to other patients |
| The ultrasonic cleaner: | cleans and removes debris |
| Which of the following is not a requirement of hazard communication training? | waivers of hepatitis C caccinations |
| What is the purpose of a holding solution? | prevent the drying of blood and debris on instruments |
| Flushing the wather lines of the dental unit relates to: | reduction of microbial count in the water lines |
| Leginella bacteria can cause what type of condistion in a suseptible person? | pneumonia |
| After instruments have completed the cleaning cycle of the ultrasonic cleaner, they should be: | rinsed with water |
| Shortly after donning the required PPE, a dental health care worker notices the following symptoms: watering eyes, nasal congestion, sneezing, wheezing, shortness of breath, and even dizziness. This person may be experiencing what type of reaction? | immediate hypersensitivity (type I) |
| All waste containers that hold potentially infectious materials must: | be labeled with the biohazard symbol |
| The ultrasonic cleaner should be cleaned and disinfected: | once a day |
| Which of the following is the dental staff required to have available and know the location of in the event of a heart attack or closed or blocked airway? | oxygen |
| The least desirable method of precleaning instruments is: | hand scrubbing |
| ____ is considered regulated wasted and requires special disposal. | human tissue |
| Which of the following is an unsafe practice when recapping the needle? | a two-handed scoop method for maximum control |
| What are standard precautions? | the concept that considers that blood and all patient body fluids are potentially infectious |
| For which of the following is there not a vaccine? | strep throat |
| Switching to insturments with large, round diameters and contra-angled shanks may ___ the symptoms associated with carpal tunnel syndrome. | help reduce |
| Which of the following are the recommended five parts of the Hazard Communication Standards? | written program, inventory of hazardous chemicals, MSDS for every chemical, proper labeling of containers, employee training |
| The best time to clean and disnifect a dental prosthesis or impression that will be processed in the office laboratory is: | as soon as possible after removal from the patient's mouth |
| Repeated exposure to chemical sat low levels for extended periods of time can result in liver disease or brain disorders that are examples of: | chronic chemical toxicity |
| There are areas of the instrument processing facility that govern the workflow pattern. The processing should flow in a single loop from: | dirty to clean sterile to storage |
| Which fo the following is a recommended method of preventing surface contamination? | using a surface barrier |
| OSHA requires a minimum period of training of dental personnel in which of the following areas? | the hazard communication standard |
| OSHA requires the use of standard precautions for ____ | all patients |
| Select the statement that is not true. | HIV is transmitted through casual contact |
| Which of the following statements is true regarding the use of biohazard warning labels? | The label is fluorescent orange or red-orange |
| Nosocomial infections are commonly acquired in: | a hospital or other medical facility |
| Why is it important to keep an MSDS for liquid sterilant on file? | It provides information on how to protect against exposure to a chemical and what to do if an exposure occurs. |
| Spores of Bacillus atrophaeus are used to monitor which of the following types of sterilizers? | dry heat |
| Scrap dental amalgam should be collected and stored in: | a designated dry, airtight container |
| According to OSHA, the dental assistant may do which of the following before depositing contaminated needles in a designated puncture-resistant container? | recap it |
| Hazard communication training must be provided: | for all new employees at the beginning of employment |
| The floor in the entry to the dental office was wet. A patient slipped on the floor during entry to the office. There was no signage to include a potential slippery floor. In this case, the office owner: | is responsible for providing signage for potential dangerous situations |
| The process that kills disease-causing microorganisms, but not necessarily all microbial life, is called | disinfection |
| Select the heat sterilization method that requires good ventilation in the dental office. | chemical vapor sterilization |
| Which govenrment agency enformces the disposal of regulated waste? | EPA |
| Which of the following does the OSHA Hazard Communications Standard require employers to do? | Tell employees about the identity and hazards of chemicals in the workplace |
| Select the ideal insturment processing area. | dedicated to only instrument processing |
| A victim who immediately feels the effects of a chimical spill with symptoms of dissiness, headaches, nausea, and vomiting, is experiencing: | acute chemical toxicity |
| A dental health care worker transfers a small amount of glass inomer cement into a smaller container for use on a patient at chairside. A new lable must be placed of that container if: | the cehmcial material is not used up at the conclusion of an 8 hour shift |
| Patient care insturments are categoriezed into various classifications. Into which classification would instruents such as surgical forceps, scalpels, bone chisels, and scalers be placed? | critical |
| Which of the following is not considered a "sharp"? | metal matix retainer |
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