Chapter 06: Dental X-Ray Equipment
Iannucci: Dental Radiography, 5th Edition
MULTIPLE CHOICE
1. _________________ regulate(s) the manufacture and installation of dental x-ray equipment.
a.
The federal government
b.
State governments
c.
Local governments
d.
Municipal governments
2. The position-indicating device (PID) is an extension of the
a.
tubehead.
b.
extension arm.
c.
control panel.
d.
exposure button.
3. The _____________ allow(s) for positioning of the tubehead.
a.
control devices
b.
extension arm
c.
control panel
d.
exposure button
4. You have your patient in the chair, you have placed the receptor in your patient’s mouth, and
you have positioned the position-indicating device. Which of the following should you do
next to take the x-rays?
a.
Turn on the on-off switch.
b.
Push the exposure button.
c.
Turn on the exposure light.
d.
Adjust the control devices.
5. During an exposure
a.
the exposure button is briefly depressed and then released to initiate the exposure.
b.
the exposure button is firmly depressed until the preset exposure time is
completed.
c.
the exposure light on the control panel is illuminated to signal the completion of
the exposure.
d.
a beep sounds to signal initiation of the exposure.
6. Which of the following statements is true of the receptor holder?
a.
It is used to align an extraoral dental x-ray receptor.
b.
It requires the patient to stabilize the receptor in the mouth.
c.
It is required when using the intraoral paralleling technique.
d.
It is required when using the intraoral bisecting technique.
7. A _____________ eliminates the need for the patient to stabilize the receptor.
a.
PID (position-indicating device)
b.
receptor holder
c.
control panel
d.
beam alignment device
8. Which of the following intraoral receptor holders is a disposable Styrofoam bite-block?
a.
EEZEE-Grip
b.
Stabe bite-block
c.
EndoRay
d.
Uni-bite
9. Features of the Stabe bite-block include
a.
a double-ended instrument.
b.
a slot for receptor retention.
c.
a molded plastic that can be sterilized.
d.
a receptor that is held between two serrated plastic grips.
10. Which of the following are beam alignment devices?
a.
The Stabe bite-block
b.
The XCP bite-block
c.
The EEZEE-Grip
d.
An XCP
11. A beam alignment device can be used to help the dental radiographer position the PID in
relation to the _____________ and the receptor.
a.
control panel
b.
extension arm
c.
collimator
d.
tooth
12. The Rinn XCP is a
a.
beam alignment device.
b.
Styrofoam bite-block.
c.
snap-on metal collimating device.
d.
Uni-bite.
13. You are on a mission trip, and your responsibility is to take radiographs. You are using a
handheld x-ray machine, digital sensors, and a receptor holder. Sterilization is not available.
Which of the following receptor holders would you use?
a.
An EEZEE-Grip.
b.
A Stabe bite-block.
c.
A Snap-A-Ray.
d.
A Uni-bite.