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The most common cause of excess patient exposure is : operator technique error The primary use of bitewing radiographs is for evaluation of : caries The reason for taking radiographs is : for diagnosis If the tubehead drifts, you should : have the equipment fixed prior to taking any radiographs The most damaging time for radiation exposure to the fetus is : first trimester All of the following help protect the patient from radiation EXCEPT: 2 | P a g e a) E-speed film b) lead apron...

Which of the following diseases is caused by a bloodborne pathogen? : 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? : Regulated Which of the following is the best method for managing components of dental instruments that cannot be detached from the dental unit? : Cover with an impervious barrier that is changed before each patie...

In inventory supply systems, what is the term for the factor that ensures that an adequate supply is available, taking lead time and rate of use into consideration? : Reorder point Which patient recall system involves having the patient fill out a postcard that is then filed according to the month the patient is to be recalled? : Chronological card file For optimum effectiveness, the American Dental Association (ADA) recommends that topical anesthetics be left on the mucosa for how lon...

Where is the most common area in the oral cavity for a dentigerous cyst ? : Around the third molars. Which film would be exposed to see increased coverage of the alveolar bone? : Vertical bite wing. Which of the following can help to protect patients from excess radiation damage to tissues? : High kvp. Which type of gloves are required for the decontamination of the darkroom ? : Nitrile utility. Which of the following landmarks is useful when mounting films in the maxillary posterior...

The type of radiograph that would show the whole tooth including the crown, roots, and jawline is called? a. bitewing x-ray b. periapical x-ray c. occlusal x-ray d . tomogram : b a bitewing radiograph is useful in diagnosing all of the following except: a. impacted tooth b. tooth decay C. periodontal bone loss D. gum disease : a a full-mouth survey generally includes: a. 14 periapical views and 4 to 6 bitewings 2 | P a g e b. 10 periapical views and 8 bitewings c. 14 periapica...

Watch : Something you would ask the patient to remove before exposing a panoramic radiograph on them Panoramic : Type of film that allows the entire dentition to be viewed on a single film Caries : Bitewings are usually used to detect these A larger region is recorded : This is an advantage of a panoramic radiograph compared to an intraoral radiograph Waters technique : You would use this extraoral radiograph of the maxillofacial region to evaluate the maxillary ethmoid sinuses 2...

OPIM: : other potential infectious material When Should Masks be Worn: : during all times when splash, splatter, spray and aerosols may occur OSHA Regulations Mandates that Lab Coats be Laundered by who : clinic or outside facility hired by clinic Bioburden: : debris, microorganisms left on surfaces, (such as saliva and blood) Antibiotics: : kills microbes in our body 2 | P a g e Antiseptics: : kills microbes on skin or body surface Disinfectants: : kills microbes on inanimate sur...

Professor Wilhelm Roentgen a)advocated radiology in the u.s b)exposed the first radiographs in the u.s c)discovered the xray d)employed the first dental auxiliary in the united states : c Digital Radiography Utilizes the following approach a)filmless radiographic computer imaging system b)electronically charged plated imaging system c)nonionizing radio frequency imaging system d) none of the above : a a form of energy is 2 | P a g e a)heat b)light c)electricity d) x-radiatio...

The dentist says that the image has too much contrast; she would like to see more gray values. What adjustment would you make? : Increase kVp. All of the following are true statements about film badges except: a. they should be worn at work only. b. if an assistant follows all safety precautions; exposure should be near zero. c. they should be worn when any form of x-ray is taken. d. the badge is usually worn for 3 to 4 weeks before returning it for reading. : c. they should be worn whe...

What are the two common oral diseases? : Dental caries (decay) and periodontal disease. What are the 5 major groups of microorganisms? : 1)bacteria 2) algae 3) Protozoa 4) fungi 3) viruses Bacteria : make up a large group of one-called microorganisms that vary in size , shape and arrangement of cells how does infection occur? : infection occurs when bacteria that occur naturally in one part of the body invade another part of the body and become harmful when under a microscope, Bacter...