RDA Practice Exam #1 Questionsn and Answers | 100% Verified

RDA Practice Exam #1 Questionsn and Answers | 100% Verified Direct Supervision refers to? -Answer-Dentist on premises & examines the treatment performed by DA or RDA before releasing patient General Supervision -Answer-Doctor/Dentist - is out of office, but has scheduled auxiliary to be at work Nitrous Oxide administration -Answer-Dentist - must remain in the operator & Assistant may adjust controls as directed by the dentist A parent brings in child to office on the dentist's day off, the child has a large cavity. The dentist is unreachable by telephone. The "RDA" should do or advise what? -Answer- Refer to another dentist Under General Supervision the RDA may perform? -Answer-1. Mouth Mirror 2. Place and remove sedative dressings 3. Expose radiographs An impression for a "Hawley Retainer" may legally be taken by who? -Answer-Dentist only Under Direct supervision the "RDA" may perform? -Answer-1. Pulp Vitality test 2. Cementation of temporaries 3. Size Stainless steel bands, crowns, and orthodontic bands. Under Direct Supervision the dental assistant may perform what? -Answer-1. Place topical anesthetic 2. Monitor Vital signs 3. Place rubber dam RDA CEU licensure renewal requirements -Answer-1. Twenty-five units of continuing education every two years One continuing education unit is equivalent to a lecture or seminar of what? -Answer- One hour The RDA license is renewed when? -Answer-1. The RDA's birthday 2. Odd or even year of birth How many continuing education units may be earned in Category 1 and Category II? - Answer-At least half must be Category II The maximum number of continuing education units which may be earned in "one day" are how many? -Answer-8 units To qualify to the the RDA examination, one must meet any of the following criteria - Answer-1. Graduate dental assisting program - accredited by the California Board of Dental Examiners 2. Eighteen months - full-time work experience in a dental office Dental Assistant may perform what? -Answer-Place and remove rubber dams When a patient is injured by an auxiliary who is liable? -Answer-1. Dentist 2. Employee The purpose of the "Matrix Band" is to create what? -Answer-Replace a missing wall The narrowest part of the tooth is the? -Answer-Cervical third When the "Matrix Band" is placed on a posterior tooth, the smallest circumference of the band is directed towards the? -Answer-Gingival part of the tooth In addition to wedges, the "Matrix Band" may be secured with? -Answer-Low fusing compound Wedges - are most commonly composed of? -Answer-1. Wood 2. Plastic Matrices "matrix band" are composed of? -Answer-1. Stainless steel 2. Plastic strips On "Posterior Teeth" the matrix band is placed where? -Answer-One to three millimeters (1-3) above the cusp and 1/2 to 1 mm below the gingival An "Anterior" Matrix band may be held in place by what? -Answer-1. Matrix clip 2. The dentist - using finger or thumb 3. The DA or RDA - using finger or thumb The most common shape of posterior wedges is what? -Answer-Triangle The instrument/s used to contour the matrix band to the tooth is? -Answer-Burnisher only The Contra-angle Tofflemire retainer is use for application on which teeth? -Answer- Posterior teeth using buccal approach The correct sequence for removal of a posterior "Matrix Band" is, in order the? -Answer- 1. Wedge 2. Holder 3. Matrix band Zinc oxide - left on gingival tissues around the tooth, they will have what? -Answer- Palliative effect on tissu