Order dental radiography Assessment

Order dental radiography Assessment
All of the following statements regarding duplicating film are true except one. What is the
EXCEPTION?
a. Duplicating film is sensitive to light.
b . Duplicating film is a double-emulsion film.
c. The duplicating process is performed in the darkroom.
d . A duplicating machine is a necessary piece of equipment.
23. Which of the following is NOT considered a critical organ with regards to dental radiography?
a. Skin
b . Lens of the eye
c. Pituitary gland
d . Bone marrow
24. When is a lead apron used?
a. When performing a panoramic image
b . When producing a full mouth series
c. When performing a periapical exam
d . All of the above
25. A 5-year-old child fell while playing and needs a periapical radiograph of the anterior region of
her maxilla. The child is very upset and uncooperative in the chair. Which of the following is the
appropriate action?
a. Educate the patient to understand why she needs to stay still.
b . Ask the mother to wait in the reception area.
c. Have another assistant push the button while you hold the receptor in the patient’s mouth.
d . Have the child hold the x-ray in her mouth.
e . Have the child sit in the father’s lap and drape both in the lead apron.
26. What does ALAR A stand for?
a. As little amount of radiation attainable
b . As low as reasonably achievable
c. As low as reasonably allowable
d . None of the above
27. Which of the following applies to producing radiographs on pregnant patients?
a. R adiographs should be taken only during the third trimester.
b . R adiographs should never be taken on a pregnant patient.
c. Guidelines are designed to protect the patient; no alterations need to be applied.
d . R adiographs should only be taken during the first trimester.
28. What is the maximum permissible dose a nonoccupationally exposed individual is allowed to
accumulate in a year?
a. 5.0 rem
b . 0.1 rem
c. 1.0 rem
d . 0.01 rem
29. What is the single best way to protect a patient from unnecessary radiation exposure?
a. Correct collimation
b . Fast film technique
c. Use of lead apron
d . Correct exposure settings