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Southeastern SA TG 5
Southeastern Institute SA Trail Guide Chapter 5
Question | Answer |
---|---|
Large superficial bump behind the earlobe | Mastoid process |
O - C2 to C7 I - 1st rib | Middle scalene |
Inferior and posterior aspect of the cranium | Occiput |
The medial pterygoid bilaterally _____________ and elevates the mandible. | Protracts |
This is the primary muscle of chewing | Masseter |
Thin superficial sheath of muscle spanning the anterior neck from the mandible to the chest. | Platysma |
Another name for sternocleidomastoid | SCM |
The platysma helps in ______________ of the mandible. | Depresses |
O - manubrium & medial clavicle I - mastoid process | SCM |
This muscle of the neck unilaterally flexes the head & neck to the same side or rotates the head to the opposite side. Bilaterally it flexes the neck. | SCM |
The masseter ____________ the mandible. | Elevates |
SCM rotates the head to the _______________ side. | Opposite |
What part of occipitofrontalis is responsible for raising the eyebrows and wrinkling the forehead? | Frontalis |
O - C5 to C7 I - 2nd rib | Posterior scalene |
The anterior and middle scalenes can entrap what nerve bundle? | Brachial plexus |
What part of the sternum is at the top? | Manubrium |
What part of the sternum is in the middle? | Body |
What part of the sternum is most inferior? | Xiphoid process |
O - zygomatic arch I - angle & ramus of mandible | Masseter |
This cranial bone has 3 important bony landmarks: mastoid process, zygomatic arch & styloid process | Temporal |
O - temporal bone and fascia I - coronoid of the mandible | Temporalis |
The skull is formed by how many bones? | 22 |
O - C3 to C6 I - 1st rib | Anterior scalene |
What muscle lies partially deep to the lateral edge of the SCM? | Anterior scalene |
The most moveable bone of the skull. | Mandible |
Temporalis ______________ and retracts the mandible. | Elevates |
These muscles are found on the inside of the mouth and assist masseter and temporalis with movement of the mandible. | Pterygoids |
The two muscle bellies of occipitofrontalis are connected by what broad flat tendon? | Galea aponeurotica |
As a group, these muscles Unilaterally: flex the head and neck to the same side and rotate the head to the opposite side. Bilaterally: they will elevate the ribs on inhalation and flex the head and neck. | Scalenes |