Quiz 8

The brachial plexus and subclavian artery pass through a small gap between which two muscles in the anterior, lateral neck?

Anterior and middle scalenes

Which of the following is a part of the origin of the longus colli

Bodies of C-5 through T-3

Which of the following is a part of the insertion of the longus colli?

Bodies of the axis C-3 and C-4

The pulse of which vessel can be felt medially to the sternocleidomastoid at the level of the hyoid bone?

Common Carotid Artery

Which movement of the mandible will shorten the mylohyoid?

Depression

Which of the following is an action of the masseter?

Elevate the mandible

Which action at the mandible would shorten the fibers of the masseter

Elevation

Which of the following is an action of the longus capitis?

Flex the head and neck

Which is the insertion of the longus capitis?

Inferior surface of the occiput

Where can you best feel the pulse of the temporal artery?

Infront of ear along the zygomatic arch

Which muscle is responsible for protraction of the mandible?

Lateral Pterygoid

Which of the following is an action of the lateral pterygoid?

Laterally deviate the mandible to the opposite side

Which of the following is an action of the longus colli?

Laterally flex the head and neck to the same side

Which muscle acts as a synergist with the left sternocleidomastoid during rotation of the cervical spine to the right?

Left anterior scalene

Not that you'd ever want to, but passive elevation of the hyoid bone would _____ the infrahyoids.

Lengthen

Passive depression of the mandible would ____________________ the temporalis.

Lengthen

Passive elevation of the mandible would ____________________ the mylohyoid.

Lengthen

Passive protraction of the mandible would ____________________ the digastric.

Lengthen

Passive rotation of the head to the same side would ____________________ the posterior scalene.

Lengthen

Passive rotation of the head to the same side would ____________________ the sternocleidomastoid.

Lengthen

Which muscle mirrors the shape and position of the masseter from the opposite side of the mandible?

Medial Pterygoid

Which muscle runs from the hyoid to the superior border of the scapula and is mostly inaccessible?

Omohyoid

What is the muscle that encircles the mouth?

Orbicularis Oris

Which cranial bones merge at the body's midline to form the sagittal suture?

Parietal Bones

What direction should you give your partner so you can locate the suprahyoids?

Press tongue against the roof of the mouth

What is an action of the buccinator?

Presses cheek firmly against the teeth

Which of the following is an action of the medial pterygoid?

Protract the mandible

What movement of the mandible will lengthen the temporalis?

Protraction

Which of the following is an action of the temporalis

Retract the mandible

Which movement at the mandible will lengthen the fibers of the medial pterygoid?

Retraction

Which movement will lengthen the fibers of the anterior scalene?

Rotate head and neck to the same side

Which movement of the neck and head lengthens the fibers of longus capitis and colli?

Rotation to the opposite side?

Passive depression of the mandible would ____________________ the suprahyoids.

Shorten

Passive elevation of the mandible would ____________________ the masseter.

Shorten

Passive flexion of the head would ____________________ the anterior scalene.

Shorten

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

Shorten

Passively raising your partner's eyebrows would ____________________ the frontalis fibers.

Shorten

Tightening the fascia of the neck would ____________________ the platysma.

Shorten

Which bone's lateral portions are called the "greater wings"?

Sphenoid

Which bony landmark of the temporal bone is best explored with caution?

Styloid process

Which group forms a wall of muscle along the underside of the jaw

Suprahyoids

The mastoid process and zygomatic arch are both landmarks on which cranial bone?

Temporal

The space between the zygomatic arch and cranium is filled by which muscle

Temporalis

Which muscle acts as an antagonist to the geniohyoid during depression of the mandible?

Temporalis

The levator labii superioris is located between which two structures?

The upper lip and the center of the eye

Which is the origin of the longus capitis?

Transverse processes of C-3 through C-6

Passive protraction of the mandible would ____________________ the temporalis.

lengthen

Passive rotation of the head to the opposite side would ____________________ the scalenes.

shorten