Radiology chapter twenty five

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Radiology chapter twenty five
2010-10-07 00:22:08
Radiology chapter twenty five

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  1. Of all the film placements, which one is the most likely to elicit the gag reflex?
    the maxillary molar film
  2. Why is it important to have proper patient and equipment preparations in regards to a sensative gag reflex?
    to limit the amount of time the film remains in the mouth
  3. What are the precipitating factors responsible for initiating the gag reflex?
    • psychologenic stimuli
    • tactile stimuli
  4. What areas are most likely to elicit the gag reflex?
    • soft palate
    • lateral posterior third of tongue
  5. What is the proper exposure sequencing in preventing the gag reflex?
    • start with anterior films
    • move to premolars
    • then to molars
  6. What are the two reactions that occur prior to the gag reflex?
    • cessation of respiration
    • contraction of the muscles in the throat and abdomen
  7. The stront involuntary effort to vomit
  8. retching that is elicited by stimulation of the sensitive tissues of the soft palate region. It is a protective mechanism of the body that serves to clear the airway
    gag reflex
  9. What attitudes should the dental radiographer convey to the patient?
    • a confident attitude
    • patience, tolerance, and understanding
    • reassuring to the patient
  10. What must the radiographer be aware of to effectively manage the patient with a hypersensitive gag reflex?
    • operator attitude
    • patient and equipment preparations
    • exposure sequencing
    • film placement and technique
    • helpful hints for preventing the gag reflex