1|Page
TCDHA RAD 1 ACTUAL EXAM LATEST 2025 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
Which of the following is the LEAST sensitive to x-rays?
a. Bone marrow
b. Salivary glands
c. Lymphoid tissue
d. Intestine - ANSWER-b. Salivary Glands
TRUE OR FALSE:
Risk estimates suggest (1) that death is more likely to occur from
common activities than from dental imaging procedures and (2)
that caner is much more likely to be unrelated to dental imaging
radiation exposure. - ANSWER-Both statements are TRUE!
The use of F-speed film instead of D-speed film reduces the
absorbed dose by _______% - ANSWER-60%
,2|Page
What should you do prior to taking x-rays to protect your patient
from radiation exposure?
a. Proper film processing
b. Proper prescribing of radiographs
c. A Lead Apron
d. A Thyroid Collar - ANSWER-b. Proper prescribing of
radiographs
What does the Inherent filtration in dental x-ray tube head
include? - ANSWER-It includes filtration that takes places when
the primary beam passes through the glass window of the X-ray
tube, the insulating oil, and the tube head seal.
What decreases patient exposure considerably? - ANSWER-A
rectangular collimator
Which type of position-indicating device (PID) produce scatter
radiation? - ANSWER-Square
, 3|Page
On some dental x-ray machines, only the __________ can be
altered; the other parameters are preset by manufacturer. -
ANSWER-Exposure Time
In order to avoid the primary beam while taking dental images,
you should stand at s ______ -degree to _______ -degree angle
to the beam. - ANSWER-90; 135
You have your patient in the chair, you have placed the receptor
in your patient's mouth, and you have positioned the PID.
What should you do next to take the x-rays? - ANSWER-Push the
exposure button
What is a beam alignment device? - ANSWER-An XCP
A beam alignment device can be used to help the dental
radiographer position the PID in relation to the ________ and the
receptor. - ANSWER-Tooth
TCDHA RAD 1 ACTUAL EXAM LATEST 2025 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
Which of the following is the LEAST sensitive to x-rays?
a. Bone marrow
b. Salivary glands
c. Lymphoid tissue
d. Intestine - ANSWER-b. Salivary Glands
TRUE OR FALSE:
Risk estimates suggest (1) that death is more likely to occur from
common activities than from dental imaging procedures and (2)
that caner is much more likely to be unrelated to dental imaging
radiation exposure. - ANSWER-Both statements are TRUE!
The use of F-speed film instead of D-speed film reduces the
absorbed dose by _______% - ANSWER-60%
,2|Page
What should you do prior to taking x-rays to protect your patient
from radiation exposure?
a. Proper film processing
b. Proper prescribing of radiographs
c. A Lead Apron
d. A Thyroid Collar - ANSWER-b. Proper prescribing of
radiographs
What does the Inherent filtration in dental x-ray tube head
include? - ANSWER-It includes filtration that takes places when
the primary beam passes through the glass window of the X-ray
tube, the insulating oil, and the tube head seal.
What decreases patient exposure considerably? - ANSWER-A
rectangular collimator
Which type of position-indicating device (PID) produce scatter
radiation? - ANSWER-Square
, 3|Page
On some dental x-ray machines, only the __________ can be
altered; the other parameters are preset by manufacturer. -
ANSWER-Exposure Time
In order to avoid the primary beam while taking dental images,
you should stand at s ______ -degree to _______ -degree angle
to the beam. - ANSWER-90; 135
You have your patient in the chair, you have placed the receptor
in your patient's mouth, and you have positioned the PID.
What should you do next to take the x-rays? - ANSWER-Push the
exposure button
What is a beam alignment device? - ANSWER-An XCP
A beam alignment device can be used to help the dental
radiographer position the PID in relation to the ________ and the
receptor. - ANSWER-Tooth
