A PA axial projection with a 25° caudad angle of the cranium reveals that the petrous ridges are at the level of the superior orbital margins.Which of the following modifications are required to correct this error?
A) Decrease CR angle.
B) Increase extension of cranium.
C) Increase flexion of cranium.
D) No corrections are required; this is an acceptable position.
Correct Answer:
Verified
Q52: Which division of the temporal bone contains
Q53: The incus auditory ossicle is labeled:
Q54: The mastoid air cells communicate with the:
A)inner
Q55: The aditus is defined as a(n):
A)large chamber
Q56: Which one of the following structures is
Q58: Which positioning line should be perpendicular to
Q59: The part labeled i is the:
Q60: Which cranial bone possesses the superior nasal
Q61: Which cranial bone possesses the zygomatic process?
A)Frontal
B)Sphenoid
C)Temporal
D)Ethmoid
Q62: What primary type of joint movement occurs
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