Question: an example of class IV motion is

Answer: operating an x-ray unit

Question: the movement of fingers wrist and elbows is classified which motion

Answer: none of the above

Question: the most common position for a pt is

Answer: supine position

Question: it is best to use____to transfer surgical instruments

Answer: two-handed instrument exchange

Question: if a dentist assigns an assistant to a specific procedure that he trust,he is what

Answer: delegating

Question: the position of the DA on a dental chair includes all but

Answer: the feet resting on the floor

Question: which of the following is NOT A GOAL of team dentistry,also known as four-handed dentistry

Answer: to cause back pain and muscle ache

Question: team dentistry is described as

Answer: All of the above

Question: when performing a single handed instrument transfer the DA transfers instruments with____hand

Answer: the left

Question: When greeting and escorting the patient to the treatment room, a dental assistant should:

Answer: All of the above

Question: Based on the "clock concept" of operating zones, the patient's face would represent what area?

Answer: the center of the clock w/top of head at 12 o'clock position

Question: which instrument grasp holds instrument in palm and uses thumb to stabilize and guide instrument

Answer: palm-thumb grasp

Question: which zone is best when exchanging instruments

Answer: transfer zone

Question: it is best to position the DA stool _____ in order to have better viability

Answer: 4-6 inches

Question: the headrest on the dental chair is designed to support what area of the skull and neck

Answer: occipital and cervical

Question: what is used to triturate dental material

Answer: amalgamator

Question: the sterilization area is labeled ___for dirty instrukments and___for sterilized instruments

Answer: contaaminated;clean

Question: how is water removed from pt mouth

Answer: using either saliva injector or high volume evacuator

Question: what is the easiest access for the dental hand piece for the dds with out twisting his or her body

Answer: front

Question: usually the pt is seated in the ____position during dental treatment

Answer: supine

Question: the dental treatment area is also known as the

Answer: dental operatory

Question: it best to use____to avoid slipping or trauma to the pt tissue

Answer: fulcrum

Question: when using the mouth mirror intraorally it should be___to the tooth surface

Answer: parallel

Question: the efda performs expanded functions while the dds is in the same treatment area under___supervision

Answer: direct

Question: instrument with hinges are

Answer: transferred by directing handles into the dds palm and held by working end by the asst during instrument transfer

Question: the DA should grasp the instrument by___when passing to the DDS

Answer: the end of the handle and by opposite working end

Question: the DDs and the DA try to eliminate or reduce class____movements to reduce stress and body fatigue

Answer: IV and V

Question: one way to help the pt feel more comfortable and relax is to

Answer: initiate conversation while with the pt and ask the pt whether he or she has any questions about the treatment

Question: infection control of dental chairs is required after every pt and should ease the I.C process

Answer: all of the above

Question: when the pt head is lower than the chest this position is called what

Answer: sub-supine position