Head, Neck, & Face | Trail Guide to the Body Workbook Questions

The sternocleidomastoid and trapezius form the ______ triangle.

Posterior triangle

Cranial bones are connected by ______ joints that form tight-fitting sutures.

Fibrous

The occiput is located at the posterior and inferior aspects of the ______.

Cranium

The external occipital protuberance is located on the ______ of the occiput.

Posterior surface

The external occipital protuberance serves as an attachment site for the ______.

Ligamentum nuchae

The superior nuchal lines extend laterally from the ______.

External occipital protuberance

The superior nuchal lines serve as attachment sites for several neck muscles.

Superior nuchal lines

Parietal bones merge at the body's midline to form the ______ suture.

Sagittal suture

Which bony landmark is located directly behind the earlobe and serves as an attachment site for the sternocleidomastoid?

Mastoid process

The space between the zygomatic arch and the cranium is filled by the ______.

Temporalis

The ______ bone forms the forehead and upper rim of the eye sockets.

Frontal bone

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

The two heads of the sternocleidomastoid originate at the ______ and ______.

Top of the manubrium and medial clavicle

The SCM will stand out after making what adjustment?

Rotate head to the opposite side

Which scalene is difficult to distinguish from surrounding muscle bellies?

Posterior scalene

Which muscles are located between the SCM and the anterior flap of the trapezius?

Scalenes

The brachial plexus and subclavian artery pass through a gap between which two muscles?

Anterior scalene and middle scalene

Why ask your partner to "breathe deeply into your upper chest" when palpating?

To activate the scalenes

The anterior scalene lies partially deep to the lateral edge of which muscle?

Sternocleidomastoid (SCM)

What action contracts the levator scapulae but not the scalene?

Elevate the scapula

The ______ is the strongest muscle in the body relative to its size.

Masseter

Which muscle has a broad origin on the frontal, temporal, and parietal bones?

Temporalis

To access the insertion of the temporalis, what action should your partner perform?

Open the mouth (jaw)

Passive protraction of the mandible would ______ the temporalis.

Lengthen

Passive rotation of the head and neck to the opposite side would ______ the scalenes.

Shorten

Passive lateral flexion of the head and neck to the same side would ______ the sternocleidomastoid and scalenes.

Shorten

Passive flexion of the head and neck would ______ the anterior scalene.

Shorten

Passive rotation of the head and neck to the same side would ______ the sternocleidomastoid.

Lengthen

Passive elevation of the mandible would ______ the masseter.

Shorten

Which suprahyoid muscle lies just beneath the inferior border of the mandible?

Digastric

What instruction helps locate the suprahyoids?

Press the tongue to the roof of the mouth

Which infrahyoid muscle crosses the neck obliquely?

Omohyoid

Which muscle becomes visually distinct when your partner makes a "Creature from the Black Lagoon" expression?

Platysma

The epicranial aponeurosis forms the bridge between which two muscles?

Occipitalis and frontalis

The frontalis is best seen and felt by asking your partner to do what action?

Raise the eyebrows

Which muscle attaches from the anterior cervical vertebrae to the occiput?

Longus capitis

Which muscle attaches from the anterior cervical vertebrae and functions as a deep neck flexor?

Longus colli

Passively raising the eyebrows would ______ the frontalis fibers.

Shorten

Tightening the fascia of the neck would ______ the platysma.

Shorten

Passive protraction of the mandible would ______ the digastric.

Lengthen

Passive depression of the mandible would ______ the suprahyoids.

Lengthen

Passive elevation of the hyoid bone would ______ the infrahyoids.

Lengthen

The pulse of the ______ can be felt medial to the SCM at the level of the hyoid bone.

Common carotid artery

Where can you best feel the temporal artery?

In front of the ear along the zygomatic arch

Which structure can be detected by placing your finger at the base of the mandible along the anterior edge of the masseter?

Facial artery

The thyroid gland is situated on the anterior surface of the trachea between which two structures?

Jugular notch and cricoid cartilage (cricoid ring)