MSA Ch. 5 WBP
How many bones compose the skull
22
Where can you best feel the pulse of the temporal artery
Along the zygomatic arch
To access the insertion of the temporalis, you must ask your partner to perform what action
Alternately clench and relax jaw
I: First rib
Anterior and Middle scalene
O: Transverse processes of third through sixth cervical vertebrae (anterior tubercles)
Anterior scalene
The brachial plexus and subclavian artery pass through a small gap between which two muscles on the anterior, lateral neck
Anterior scalene, Middle scalene
The pulse of what can be felt medial to the SCM at the level of the hyoid bone
Common Carotid Artery
I: Inferior border of the mandible
Digastric
O: Mastoid process (deep to SCM and splines capitis)
Digastric
Which muscles originates at the mastoid process, loops through a tendons sling at the hyoid bone and inserts to the inferior boarder of the mandible
Digastric
Located at the center of the occiput, the _______ is the superior attachment site for the ligament nuchal.
External occiput protuberance
Which structure could you detect by placing you fingers at the base of the mandible along the anterior edge of the master
Facial artery
The cranial bones are connected by what kind of joints that form tight-fitting
Fibrous joints
What bone forms the forehead and upper rim of the eye sockets
Frontal bone
The galea aponeurotic forms the bridge between which two muscle bellies
Frontalis, occipitalis
O: Underside of Mandible
Geniohyoid, Mylohyoid
I: Hyoid bone
Geniohyoid, mylohyoid, omohyoid, sternohyoid, stylohyoid, thyrohyoid
Name the four muscles which comprise the suprahyoids
Geniohyoid, mylohyoid, stylohyoid, digastric
The thyroid gland is situated on the anterior surface of the trachea between which two structures
Jugular notch, cricoid cartilage
I: Articular disc and capsule of temporomandibular joint, neck of mandible
Lateral Pterygoid
O: Superior head: infratemporal surface and crest of greater wing of sphenoid bone; Inferior head: Lateral surface of lateral pterygoid plate of sphenoid bone
Lateral Pterygoid
I: Inferior surface of occiput
Longus Capitis
O: Transverse processes of C-3 through C-6
Longus Capitis
What two muscles attach from the anterior surface of the cervical vertebrae to the occiput and atlas
Longus Capitis, Longus Colli
I: Tubercle on anterior arch of the atlas, bodies of the axis, C-3 and C-4, transverse processes of C-5 and C-6
Longus Colli
O: Bodies of C-5 through T-3, transverse processes of C-3 through C-5
Longus Colli
I: Angle and rams of mandible
Masseter
O: Zygomatic arch
Masseter
Which muscle is the strongest muscle in the body relative to it's size
Masseter
Which bony landmark is located behind the earlobe and serves as an attachment site for the sternocleidomastoid
Mastoid process
O: Medial surface of lateral pterygoid plate of sphenoid bone and tuberosity of maxilla
Medial Pterygoid
I: Medial surface of ramus of the mandible
Medial pterygoid
O: Transverse processes of second through seventh cervical vertebrae (posterior tubercles)
Middle scalene
O: Superior border of the scapula
Omohyoid
What bones merge at the body's midline to for the sagittal suture
Parietal bones
I: Base of mandible, skin of lower part of face
Platysma
O: Fascia covering superior parts of pectoralis major
Platysma
Which muscle becomes visually distinct when your partner forms a creature from the black lagoon expression
Platysma
I: Second rib
Posterior scalene
O: Transverse processes of sixth and seventh cervical vertebrae (posterior tubercles)
Posterior scalene
which scalene is difficult to distinguish from surrounding muscle bellies
Posterior scalene
The frontal is best seen and felt by asking your partner to do what action
Raise eyebrows
To create an even more visible contraction in the sternocleidomastoid, ask your partner to flex her neck after making what adjustment
Rotate head to opposite side
Which muscles are located between the SCM and anterior flap of the trapezius
Scalenes
You might ask your partner to "breath deeply into your upper chest" when palpating which muscle group
Scalenes
To discern the posterior scalene from the elevator scapula, what action could you ask your partner to perform that would contract the elevator but not the scalene
Slowly elevate scapula
I: Mastoid process of temporal bone and the lateral portion of superior nuchal line of occiput
Sternocleidomastoid
O: Top of manubrium, medial one-third of clavicle
Sternocleidomastoid
The anterior scalene lies partially deep to the lateral edge of which muscle
Sternocleidomastoid
What are three landmarks create the borders of the neck's anterior angle
Sternocleidomastoid, base of the mandible and the trachea
What are three landmarks create the borders of the neck's posterior angle
Sternocleidomastoid, clavicle and trapezius
O: Top of manubrium
Sternohyoid, sternothyroid
I: Thyroid cartilage
Sternothyroid
O: Styloid process
Stylohyoid
Which bony landmark of the occiput serves as an attachment site for several neck muscles?
Superior nuchal line
I: Coronoid process and anterior edge of ramus of the mandible
Temporalis
O: Temporal fossa and fascia
Temporalis
The broad origin of which muscle attaches to the frontal, temporal and parietal bones
Temporalis
The space between the zygomatic arch and the cranium is filled by the
Temporalis muscle
O: Thyroid cartilage
Thyrohyoid
Where do the two heads of the sternocleidomastoid originate at
Top of the manubrium, medial 1/3 of the clavicle
The ______ is located at the posterior and inferior aspects of the cranium
occiput
Which muscle runs from the hyoid bone to the superior border of the scapula and is mostly inaccessible
omohyoid
What direction should your give your partner in order to locate the suprahyoids
press tip of tongue against roof of mouth
Which bony landmark is located on the underside of the mandible and acts as an attachment site for the suprahyoid muscles
submandibular fossa
While palpating the mandible, in which area should one use extra sensitivity
submandibular fossa