SCDA Radiation Safety Exam Newest 2026 Questions
and Correct Detailed Answers Already Graded A+
Collimation - CORRECT ANSWER-A device that narrows a beam of particles or
waves
Position the patient correctly, use proper collimation, put lead shield on patient,
correctly process the film - CORRECT ANSWER-What are the four steps to
prepare the patient for a radiograph?
taking an xray of the wrong side of the mouth or wrong tooth, not positioning the
patient properly in the beginning, patient is not still and is uncomfortable, and not
developing the photo properly - CORRECT ANSWER-What are some causes of
repeat radiographic exams?
TRUE - CORRECT ANSWER-T or F: Reducing unnecessary retakes reduces your
own exposure
, Careful positioning, careful selection of exposure factors, and proper film
processing all reduce retakes - CORRECT ANSWER-What can be done to
reduce your own radiation exposure?
Time, Distance, and Shielding - CORRECT ANSWER-What does TDS stand for?
T - Keep TIME of exposure to radiation as short as possible - CORRECT
ANSWER-What does the T in TDS mean?
D - Maintain a large DISTANCE between the source of radiation and the operator -
CORRECT ANSWER-What does the D in TDS mean?
S - Place the SHIELDING material between the source of radiation and the
operator - CORRECT ANSWER-What does the S in TDS mean?
At least 6 feet away, at a right angle to the cone - CORRECT ANSWER-How far
does the operator need to stand from the patient during exposure, and at what
angle from the cone?
FALSE. Stay as far away as you can from the open end of the cone. - CORRECT
ANSWER-T or F: You should stand as close to the cone as possible
and Correct Detailed Answers Already Graded A+
Collimation - CORRECT ANSWER-A device that narrows a beam of particles or
waves
Position the patient correctly, use proper collimation, put lead shield on patient,
correctly process the film - CORRECT ANSWER-What are the four steps to
prepare the patient for a radiograph?
taking an xray of the wrong side of the mouth or wrong tooth, not positioning the
patient properly in the beginning, patient is not still and is uncomfortable, and not
developing the photo properly - CORRECT ANSWER-What are some causes of
repeat radiographic exams?
TRUE - CORRECT ANSWER-T or F: Reducing unnecessary retakes reduces your
own exposure
, Careful positioning, careful selection of exposure factors, and proper film
processing all reduce retakes - CORRECT ANSWER-What can be done to
reduce your own radiation exposure?
Time, Distance, and Shielding - CORRECT ANSWER-What does TDS stand for?
T - Keep TIME of exposure to radiation as short as possible - CORRECT
ANSWER-What does the T in TDS mean?
D - Maintain a large DISTANCE between the source of radiation and the operator -
CORRECT ANSWER-What does the D in TDS mean?
S - Place the SHIELDING material between the source of radiation and the
operator - CORRECT ANSWER-What does the S in TDS mean?
At least 6 feet away, at a right angle to the cone - CORRECT ANSWER-How far
does the operator need to stand from the patient during exposure, and at what
angle from the cone?
FALSE. Stay as far away as you can from the open end of the cone. - CORRECT
ANSWER-T or F: You should stand as close to the cone as possible
