Which muscle surrounds the anus?
A) levator ani iliococcygeus
B) pubococcygeus
C) external anal sphincter
D) external urethral sphincter
C
Explanation:
A) The levator ani iliococcygeus does not surround the anus.
B) The pubococcygeus does not surround the anus.
D) The external urethral sphincter does not surround the anus.
Exercise 20: Muscles of the Pectoral Girdle and Upper Limb
Exercise 20: Pre-Lab Questions
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