WITH QUESTIONS AND WELL VERIFIED
ANSWERES[GRADED A+] REAL
EXAM!!!
Which of the following correclty ranks the tissues in order of most sensitive to least
sensitive to ionizing radiation.
A: lymphatic, brain cells, digestive, red blood cells, nervous
B: lymphatic, digestive, muscle, nervous - ANS✔✔--B
A radiopaque image on dental x-ray film has a higher concentration of which type of
crystals?
A: unexposed
B: exposed - ANS✔✔--A
According to federal regulation, what is the maximum size the beam can be as it exits
the PID?
,A: .75 inches
B: 1.75 inches
C: 2.75 inches
D: 3.75 - ANS✔✔--C
According to the SLOB rule, when two radiographs are compared, the object that lies to
the lingual appears to have moved in the same direction as the PID. The object that lies
to the buccal appears to have moved in the opposite direction as the PID.
A: the first statement is false; the second is true
B: both statements are false
C: the first statements is true; the second is false
D: both statements are true - ANS✔✔--D
According to the inverse square law, if the target to film/image receptor distance is
trippled, what happens to the intensity of the xray beam?
A: it becomes 1/9th the original
B: it becomes 1/3rd of the original
,C: it becomes 3 times greater
D: it becomes 9 times greater - ANS✔✔--A
A clear film mount is preferred (instead of an opaque film mount) to enhance
interpretation of radiographs.
A: False
B: True - ANS✔✔--A
A patient who receives radiation therapy to the oral cavity and salivary glands will
experience which of the following for the rest of his/her life?
A: salivary gland dysfunction, mucositis, risk of ORN and loss of taste
B: salivary gland dysfunction, mucositis, and risk of ORN
C: salivary gland dysfunction and risk of ORN
D: mucositis and loss of taste - ANS✔✔--C
All dental radiographic processing solutions are unregulated by the federal government
and therefore may be poured down the drain for proper disposal.
A: false
B: true - ANS✔✔--A
Dense objects appear radiolucent because objects absorb the passage of xrays.
A: both statement and reason are correct and related
, B: both statement and reason are correct but not related
C: statement is not correct, but reason is correct
D: statement is correct, but reason is not correct - ANS✔✔--C
Dr. Jones suspects his patient has several areas of interproximal decay. Dr. Jones
prescrivbes a series of bitewing radiographs. If the patient refuses all radiographs,
which of the following is true for the dentist's actions?
A: he should have the patient sign a release and proceed with out the radiographs
B: he cans till provide standard of care without radiographs
C: he may not refuse to treat the patient
D: he should refuse to treat this patient without radiographs - ANS✔✔--D
During patient education about the associated risks of dental radiography, which would
most likely help the patient understand the risk versus benefit concept?
A: absolute risk
B: relative risk - ANS✔✔--B
How far away should the darkroom safelight be from the working surface in the
darkroom?
A: 3 feet
B: 4 feet