Radiology chapter twenty five

  1. the strong involuntary effort to vomit
  2. 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
  3. What areas are most likely to elicit the gag reflex?
    • soft palate
    • lateral posterior third of tongue
  4. what are the two reactions that occur prior to the gag reflex?
    • cessation of respiration
    • contraction of the muscles in the throat and abdomen
  5. What are the precipitating factors responsible for initiating the gag reflex?
    • psychogenic stimuli
    • tactile stimuli
  6. 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
  7. What attitudes should the dental radiographer convey to the patient?
    • a confident attitude
    • patience, tolerance, and understanding
    • reassuring to the patient
  8. 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
  9. what is the proper exposure sequencing in preventing the gag reflex?
    • start with anterior films
    • then move to the premolars
    • then to the molars
  10. Of all the film placements, which one is the most likely to elicit the gag reflex?
    the maxillary molar film
Card Set
Radiology chapter twenty five
patients with special needs