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CDC 4Y051 TEST 1 QUESTIONS WITH COMPLETE SOLUTIONS., Exams of Dentistry

CDC 4Y051 TEST 1 QUESTIONS WITH COMPLETE SOLUTIONS.

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2024/2025

Available from 03/14/2025

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CDC 4Y051 TEST 1 QUESTIONS WITH COMPLETE SOLUTIONS
Who appoints the Special Consultant for Infection Control? -- Answer โœ”โœ” USAF
Assistant Surgeon General for Dental Services
Who develops and publishes guidelines for USAF Dental Infection Control Program? --
Answer โœ”โœ” Special Consultant for Infection Control
The Occupational Safety and Health Administration (OSHA) Bloodborne Pathogens
Standard is -- Answer โœ”โœ” a Federal rule that sets forth specific requirements to
prevent the transmission of bloodborne diseases to employees.
When must the exposure -control plan be reviewed and updated, and who should have
access to the plan? -- Answer โœ”โœ” At least annually; all employees and OSHA
The minimum requirements of the training program on controlling occupational
exposure to bloodborne pathogens in dentistry are determined by -- Answer โœ”โœ” the
dental infection control officer
Following the post-exposure evaluation, how many days does the employer have to
provide the employee with a copy of the health care professional's written opinion --
Answer โœ”โœ” 15
How many years does OSHA require medical records maintained on employees with
occupational exposure and from date of employment? -- Answer โœ”โœ” 30; last date
Training and medical records must be made available to -- Answer โœ”โœ” Assistant
Secretary of Labor, Occupational Safety and Health Administration
Droplets of saliva-borne microorganisms and debris that are usually large enough to be
visible are known as -- Answer โœ”โœ” spatter
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CDC 4Y051 TEST 1 QUESTIONS WITH COMPLETE SOLUTIONS

Who appoints the Special Consultant for Infection Control? -- Answer โœ”โœ” USAF Assistant Surgeon General for Dental Services Who develops and publishes guidelines for USAF Dental Infection Control Program? -- Answer โœ”โœ” Special Consultant for Infection Control The Occupational Safety and Health Administration (OSHA) Bloodborne Pathogens Standard is -- Answer โœ”โœ” a Federal rule that sets forth specific requirements to prevent the transmission of bloodborne diseases to employees. When must the exposure - control plan be reviewed and updated, and who should have access to the plan? -- Answer โœ”โœ” At least annually; all employees and OSHA The minimum requirements of the training program on controlling occupational exposure to bloodborne pathogens in dentistry are determined by -- Answer โœ”โœ” the dental infection control officer Following the post-exposure evaluation, how many days does the employer have to provide the employee with a copy of the health care professional's written opinion -- Answer โœ”โœ” 15 How many years does OSHA require medical records maintained on employees with occupational exposure and from date of employment? -- Answer โœ”โœ” 30; last date Training and medical records must be made available to -- Answer โœ”โœ” Assistant Secretary of Labor, Occupational Safety and Health Administration Droplets of saliva-borne microorganisms and debris that are usually large enough to be visible are known as -- Answer โœ”โœ” spatter

Having the patient use an antiseptic mouthwash before treatment can reduced the bacterial count by what percent? -- Answer โœ”โœ” 98 Microbial levels in the dental unit water supply may be reduced by flushing the water/air lines for -- Answer โœ”โœ” 20 - 30 seconds b/w patients OSHA requires that a Hep B vaccination be made available to every employee whose job classification or tasks result in occupational exposure within how many days of initial assignment? -- Answer โœ”โœ” 10 working days The hep B vaccination series must be administered according to the current guidelines -- Answer โœ”โœ” of the US Public Health Service The application of standards of infection control based on the assumption that all patients are potential carriers of infectious diseases best describes -- Answer โœ”โœ” standard precaution What type of controls applied to the DTR isolate or removes the bloodborne pathogens hazard from healthcare workers? -- Answer โœ”โœ” Engineering What types of controls the likelihood of exposure by altering the manner in which the task is performed? -- Answer โœ”โœ” Work practice Gloves are required to be worn -- Answer โœ”โœ” when hand contact with blood, saliva, mucous membranes or surfaces contaminated with body fluids or secretions is reasonably anticipated Who must wear protective eyewear when spatter or aerosols are likely to be created? -

  • Answer โœ”โœ” Dental health team and patient The Occupational Safety and Health Act (OSH Act) requires the employer to launder general work clothes -- Answer โœ”โœ” when visibly soiled with blood or OPIM, or when worn without additional PPE for procedures where exposure to blood or OPIM occurred.

What level of disinfectant is used on semi critical surfaces that are not covered with a protective barrier -- Answer โœ”โœ” Intermediate Other than detergents, the disinfectants included in the low level group are quaternary ammonium compounds -- Answer โœ”โœ” and simple phenolics Which of the following is not a property of an ideal disinfectant? -- Answer โœ”โœ” A residual effect on treated surfaces that is activated when surfaces are dry When chemicals coagulate and combine with proteins and produce barriers or films about the microorganisms that inhibit penetration of the disinfectant into the bacterial cells is the best description of which effectiveness factor? -- Answer โœ”โœ” Organic matter Which of the following takes into account a dilution factor caused by added water from wet instruments, effects of soap and other detergents, and evaporation -- Answer โœ”โœ” Reuse life Which of the following are currently listed by the EPA and ADA council on Dental Therapeutics as acceptable intermediate hospital-surface disinfectants? -- Answer โœ”โœ” Iodophors, synthetic phenolics, and chlorine-containing compounds Which fluid is recommended to dilute iodophors prior to use? -- Answer โœ”โœ” Distilled or softened water When properly diluted with water which chemical agents act in a synergistic manner to create a broad antimicrobial spectrum including tuberculocidal activity? -- Answer โœ”โœ” Synthetic phenolics Which chemical agents are not considered effective in the presence of tissue proteins? -

  • Answer โœ”โœ” Alcohols When must you clean and disinfect previously covered surfaces b/w patients? -- Answer โœ”โœ” Only when the integrity of the physical barriers are compromised or when the surface is visibly soiled.

What methods of heat sterilizatons are currently accepted in USAF dental clinics? -- Answer โœ”โœ” Steam under pressure, gravity displacement, prevacuum, dry heat, convection and salt How do you sterilize items which cannot withstand heat? -- Answer โœ”โœ” ethylene oxide The crucial components of the steam under pressure process are? -- Answer โœ”โœ” steam temperature and exposure time To properly load the chamber of the gravity displacement unit -- Answer โœ”โœ” place all packages on edge, with large packs at the bottom of chamber and small packages in an upper layer What sterilization process is accomplished after the washer-sterilizer cycle? -- Answer โœ”โœ” Terminal sterilization What is the temperature and time required for sterilization in a dry heat oven? -- Answer โœ”โœ” 320 degrees Fahrenheit for 2 hours and 340 for 1 hour Sterilization using the rapid heat transfer method requires what temperature and time exposure? -- Answer โœ”โœ” 375 degree Fahrenheit for 12 minutes When exposed to minimal heat and pressure conditions of sterilization what changes colors and indicates whether or not the packs have been processed? -- Answer โœ”โœ” Chemical indicators How often must biological spore monitoring be performed if implantable devices are in the load? -- Answer โœ”โœ” Weekly The ultrasonic cleaner is located in which area? -- Answer โœ”โœ” Sterilization When can ultrasonic instrument decontamination be performed in the dtr? -- Answer โœ”โœ” never

One type of image receptor for digital radiography is -- Answer โœ”โœ” an image plate What is placed on the image scanner for processing? -- Answer โœ”โœ” Image plate Which of the following is an advantage of digital radiography? -- Answer โœ”โœ” Adjustments to the contrast or density can be accomplished A digital system key element is the -- Answer โœ”โœ” x ray machine Which of the following is a very important step before using a digital system for the first time? -- Answer โœ”โœ” refer to manufacture instructions What allows the dentist to view areas of the teeth? -- Answer โœ”โœ” Digital image Which of the following requires a processor unit to scan the digital image into the computer? -- Answer โœ”โœ” PSP plate How many types of radiation are there? -- Answer โœ”โœ” 3 Which xray characteristic relates to the degree of darkness on image? -- Answer โœ”โœ” Density Which xray characteristic refers to the image's darkness and lightness? -- Answer โœ”โœ” Contrast Which xray characteristic is dense and does not permit the passage of radiation? -- Answer โœ”โœ” Radiopaque How many planes of reference are used for proper patient positioning? -- Answer โœ”โœ” 2 Which plane of reference should be parallel to the floor with the mouth slightly open for all maxillary and mandibular exposure? -- Answer โœ”โœ” Second plane In digital radiography what captures an image and transmit it to a computer -- Answer โœ”โœ” Sensors

What is the name of the electronic processor used to produce an image from the PSP plates? -- Answer โœ”โœ” Scan-X Which is not a step in exposing and downloading an image using a digital sensor? -- Answer โœ”โœ” Double click on patient's name When mounting digital images, what should be placed toward the incisal edge and occlusal surface so that the images do not appear backwards? c Letter "a" How should the teeth appear on the mount? -- Answer โœ”โœ” Same order as in the mouth