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TCDHA RAD 1 Exam 2025 – Dental Radiography Study
Guide, Practice Questions & Certification Prep
Prepare for the TCDHA RAD 1 Exam 2025 with this comprehensive study guide, featuring
dental radiography concepts, imaging techniques, safety protocols, and practice questions
to help students pass confidently and excel in radiography certification.
TCDHA RAD 1
• TCDHA RAD 1 exam prep
• Dental Radiography TCDHA study guide
• TCDHA RAD 1 practice questions
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
Parallel is defined as... - ANSWER-Moving or lying in the same plane, always separated by the same
distance and not intersecting
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Which receptor is disposable and designed for only one time use only? - ANSWER-State bite-block
According to the text, a size 1 receptor is always positioned with the long portion of the receptor in a
__________ direction, and size 2 receptor is always positioned with the long portion of the receptor in a
________ direction. - ANSWER-Vertical; horizontal
How many exposures of the posterior teeth will you need to take when using the paralleling technique? -
ANSWER-Eight
TRUE OF FLASE:
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%
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
TCDHA RAD 1 Exam 2025 – Dental Radiography Study
Guide, Practice Questions & Certification Prep
Prepare for the TCDHA RAD 1 Exam 2025 with this comprehensive study guide, featuring
dental radiography concepts, imaging techniques, safety protocols, and practice questions
to help students pass confidently and excel in radiography certification.
TCDHA RAD 1
• TCDHA RAD 1 exam prep
• Dental Radiography TCDHA study guide
• TCDHA RAD 1 practice questions
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
Parallel is defined as... - ANSWER-Moving or lying in the same plane, always separated by the same
distance and not intersecting
, 2|Page
Which receptor is disposable and designed for only one time use only? - ANSWER-State bite-block
According to the text, a size 1 receptor is always positioned with the long portion of the receptor in a
__________ direction, and size 2 receptor is always positioned with the long portion of the receptor in a
________ direction. - ANSWER-Vertical; horizontal
How many exposures of the posterior teeth will you need to take when using the paralleling technique? -
ANSWER-Eight
TRUE OF FLASE:
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%
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
