The thyroid collar
A) is recommended for all intraoral exposures.
B) is recommended for all extraoral exposures.
C) is placed over the patient's chest and lap and extends to protect the thyroid.
D) is recommended for both intraoral and extraoral exposures.
Correct Answer:
Verified
Q10: The "Guidelines for Prescribing Dental Radiographs" state
Q11: In order to avoid the primary beam
Q12: (1)Radiation legislation varies greatly from state to
Q13: Which of the following types of position-indicating
Q14: The primary dictum of operator protection guidelines
Q16: The collimator _
A)is always round.
B)restricts the size
Q17: A rectangular collimator
A)restricts the beam 3 times
Q18: The lead apron
A)is recommended for intraoral exposures.
B)is
Q19: A circular collimator produces a cone-shaped beam
Q20: Added filtration in the dental x-ray tubehead
A)refers
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