Deck 13: Imaging of Patients With Special Needs, Panoramic Imaging, Occlusal and Localization Techniques

Question 1

To help reduce the gag reflex:

A) do not try to distract the patient.
B) try to reduce tactile stimuli.
C) tell the patient to hold his or her breath.
D) use the term "gagging" with the patient.

Answer 1

try to reduce tactile stimuli.

Question 2

For a panoramic image, place what kind of item without a thyroid collar on the patient and secure it?

A) Lead apron
B) Bite-block
C) Plastic poncho
D) Pair of dark sunglasses

Answer 2

Lead apron

Question 3

Panoramic screen film is exposed by:

A) a shutter in the cassette with visible light.
B) electrons.
C) photons.
D) intensifying screens in a cassette holder.

Answer 3

electrons.

Question 4

A ghost image occurs when:

A) the patient raises his or her hand while an exposure is being made.
B) the patient moves while the receptor is being exposed.
C) all metallic or radiodense objects are not removed before the exposure of a panoramic receptor.
D) the receptor is reversed after being removed from the receptor carrier.

Question 5

What technique is used is used to locate the position of a tooth or object in the jaws?

A) Right-angle technique
B) Localization technique
C) Occlusal technique
D) Buccal object rule

Question 6

The __________ image is preferred when the area of interest is larger than a periapical receptor or when the placement of periapical receptors is too difficult for the patient.

A) bite-wing
B) panoramic
C) periapical
D) occlusal