The upper end of fibers of the platysma attach to the inferior border of the mandible. The platysma moves the skin over the neck, but it doesn't change the facial expression.
A) Both statements are true.
B) The first statement is true; the second is false.
C) The first statement is false; the second is true.
D) Both statements are false.

Question

Quizplus · Accepted Answer

The platysma contributes to pulling the corners of the mouth down, as in a grimace. Its attachment to the inferior border of the mandible makes this possible.

The Upper End of Fibers of the Platysma Attach to the Inferior