55.Which of the following description for the masseter muscle is not true？
a.Its superficial portion arises from the outer surface of the zygomatic bone.
b.The superficial fibers insert in the mandibular angle region.
c.The deep portion can be separated from the superficial portion only in the
posterior part of the muscle.
d.The fibers of the deep portion is above that of the superficial portion.
e.The field of insertion of the deep portion is above that of the superficial
portion.
56.The medial pterygoid muscle usually does not attach to the
a.infratemporal surface of the the greater sphenoid wing.
b.lateral pterygoid plate.
c.pyramidal process of the palatine bone.
d.maxillary tuberosity.
e.mandibular angle.
57.Which part of the lateral pterygoid muscle attaches to the articular capsule
of the craniomandibular joint？
a.the uppermost and most medial fibers of the upper head
b.the entire upper head
c.the uppermost and most medial fibers of the lower head
d.the entire lower head
e.the entire upper and lower head
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