PLTL17 Review Quiz

A sheet of fibrous connective tissue that serves as a site of origin for some muscles with a broad attachment site:

• epicranius

• aponeurosis

• tubercle

• ridge of bone

The epicranius:

• pulls scalp forward and backward

• is an aponeurosis

• has a point of origin on the aponeurosis

• is a muscle of the skull

The orbicularis oris:

• synergist of zygomaticus

• smiling

• closes eyes

• compresses cheek

The zygomaticus functions for:

• closes eyes

• smiling

• synergist of buccinator

• compresses cheek

the risorius:

• synergist of zygomaticus

• frowning muscle

• compresses cheek

• prime mover of jaw closure

The depressor labii inferioris:

• frowning muscle

• prime mover of jaw closure

• closes eyes

• compresses cheek

What compresses the cheek?

• risorius

• buccinator

• masseter

• temporalis

What is the prime mover of jaw closure?

• risiorius

• buccinator

• temporalis

• masseter

What is the function of temporalis muscle?

• compresses cheek

• prime mover of jaw closure

• synergist of buccinator

• closes eyes

Muscles of mastication include:

• tongue + glenioglossus

• buccinator+ styloglossus

• stylohyoid

• zygomaticus+ risorius+ platysma