Asked by Gabrielle Murray on May 06, 2024
Verified
Which of the following facial muscles stretches from the lower portion of the mandible to the fascia of the upper chest, and pulls the angle of the mouth downward during pouting or expression of horror?
A) Orbicularis oculi
B) Platysma
C) Buccinator
D) Orbicularis oris
E) Levator anguli oris
Platysma
A muscle in the neck region that plays a role in facial expression, such as lowering the lower jaw and lip.
Mandible
The lower jawbone in humans and some animals, which holds the lower teeth in place and plays a key role in biting and chewing.
Levator Anguli Oris
A facial muscle that elevates the angle of the mouth, contributing to expressions such as smiling.
- Recognize the muscles that facilitate facial expressions including smiles and laughter.
Verified Answer
WL
Williemae LewisMay 07, 2024
Final Answer :
B
Explanation :
The muscle that stretches from the lower portion of the mandible to the fascia of the upper chest and pulls the angle of the mouth downward is the platysma.
Learning Objectives
- Recognize the muscles that facilitate facial expressions including smiles and laughter.