The muscle that retracts the lips vertically is the
A) risorius.
B) buccinator.
C) depressor anguli oris.
D) a & b
E) a & c
Correct Answer:
Verified
Q20: The medial-most labial elevator is the
A) levator
Q21: The point of union between the two
Q22: _ are the sacs or cavities within
Q23: The most massive mandibular elevator is the
A)
Q24: The _ consists of the oral, pharyngeal,
Q26: The inferior _ are small, scroll-like bones
Q27: The _ theory of vowel production states
Q28: The V trigeminal nerve innervates both the
A)
Q29: The _ process of the mandible articulates
Q30: The _ bone makes up the posterior
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