Question | Answer |
Where do the facial muscles insert? | the skin |
What is the shape and relative thickness of facial muscles? | thin and flat |
From what three types of structure might facial muscles arise from? | bone, skin or fascia |
All facial muscles are innervated by... | CN VII facial nerve |
Facial muscles are named by their ___________. | actions |
What muscle tenses the skin on the neck? | Platysma |
What muscle purses the lips? | Orbicularis oris |
A muscle that closes eyelid | Orbicularis occuli |
Smiling Muscles | Zygomaticus Major and minor |
Muscle that elevates upper lip | Levator labii superioris |
Another smiling muscle | Risorius |
What is the action of the Depressor anguli oris? | depress the angle of the mouth |
A deeper facial muscle that lifts the angle of the mouth | Levator anguli oris |
Muscle that depresses the lip | Depressor labii inferioris |
Muscle that wrinkles the chin and protrudes lower lip | Mentalis |
Muscle used in sucking or whistling | Buccinator |
What three muscles wiggles the ears? | Superior, anterior and posterior auricular |
What muscle elevates the eyebrows, wrinkles forehead | Frontalis |
What muscle pulls the scalp back? | Occipitalis |
What is located between the Frontalis and Occipitalis Muscles? | galea aponeurosis |
CN VII innervates ... | all muscles of facial expression |
The CN VII nerve exits the skull through the... | stylomastoid foramen |
After the CN VII exits the skull it passes through the ________ ________ | parotid gland |
Name the five branches of CN VII | 1. Temporal 2. Zygomatic 3.Buccal 4.Marginal Mandibular 5. Cervical |
What is the condition called when the all or some of the facial muscles, usually on one side become paralyzed? | Bell's Palsy |
What nerve provides sensory innervation to the face? | Trigeminal Nerve CN V |
What are the three divisions of the trigeminal nerve? | a. ophthalmic (V1) b. maxillary (V2) c. mandibular (V3) |
What muscles are innervated by the mandibular branch? | 1. Temporalis 2. Masseter 3. Medial Pterygoid 4. Lateral Pterygoid |
What is the major sensory branch of the Opthalmic branch? | supraorbital n. of V1 |
What is the sensory branch of the Maxillyguary branch? | infraorbital n. of V2 |
What is the sensory branch of the Mandibular branch? | mental n. of V3 |
What type of gland is the Parotid Gland? | Major salivary gland |
The parotid gland is located on the _______ face, in front of _______ to __________ of the jaw. | face, ear, angle |
The secretion of the Parotid duct empties into the _________ | mouth |
The facial artery is a branch of the _________ ________ artery | external carotid |
The facial artery crosses what part of the mandible? | inferior border |
What are the three branches of the facial artery? | 1. inferior labial, 2. superior labial, 3. angular |
What is the name of the terminal branch of the external carotid artery? | Superficial temporal artery |
What part of the face does the superficial temporal artery supply? | lateral face |
What are the two branches of the superficial temporal artery? | temporal and zygomatic |
What are the 4 prevertebral muscles? | 1. Longus Capitis 2. Longus Colli 3. Rectus Capitis Anterior 3. Rectus Capitis Lateralis |
What muscle originates on the transverse processes of the middle cervical vertebrae and inserts on the occipital bone? | Longus capitis |
What nerve innervates longus capitis | segmental cervical ventral rami |
This muscle has 3 parts : 2 Oblique and 1 vertical. They either attach at vertebral bodies or tranverse processes. | Longus Coli |
The vertical portion of the longus colli muscle attaches from what to what? | lower cervical vertebral bodies to upper vertebral bodies |
The upper oblique portion runs _________ from upper cervical ________ to mid cervical __________ __________. | downward, bodies, transverse processes |
The lower oblique portion of the longus colli runs _______ from _________ cervical bodies to mid cervical _________ ________. | upward, lower, transverse processes |
The longus colli muscle is innervated by ________ _______ ____ | segmented ventral rami |
What muscles goes from the atlas to the occipital bone? | Rectus Capitis Anterior and Lateralis |
The rectus capitis anterior and lateralis are innervated by what? | ventral rami C1,2 |
What muscle flexes the head and neck? | Longus Capitis |
What muscle just flexes the neck? | Longus colli |
Which muscle flexes just the head? | Rectus Captitis Anterior |
Which muscle does lateral flexion? | Rectus Capitis Lateralis |
How many cervical ganglia are in the sympathetic chain? | 3 |
What are the muscles of the root of the neck? | 1. Anterior Scalene 2. Middle Scalene 3. Posterior Scalene |
Which scalene muscle originates on the transverse processes of the middle cervical vertebrae and goes to the 1st rib? | Anterior Scalene |
What muscle goes from all cervical transverse processes to the 1st rib | Middle Scalene |
What muscle goes from the transverse processes of the middle cervical vertebrae to the 2nd rib? | posterior scalene |
What nerve runs over the anterior scalene muscle? | phrenic n. |
What emerges between anterior and middle scalene muscles with subclavian artery? | brachial plexus |
What nerve peirces the scalene mass (post, and middle,) | dorsal scapular |
what are the cervical levels of the dorsal scapular n.? | C4, 5 |
What is the major artery of the root of the neck? | subclavian |
what are the three branches of the subclavian artery in the root of the neck? | 1. vertebral 2. Thyrocervical Trunk 2. Internal Thoracic |
The vertebral artery enters the __________ foramen of C____, passes through the foraman __________, | transvers, 6, magnum |
Two vertebral arteries form what artery on the ventral surface of the brain stem? | basilar a. |
What are the two branches of the Thyrocervical Trunk? | 1. Suprascapular 2. Transverse cervical |
The suprascapular artery runs anterior to what muscle and what nerve? and goes through what fossa? | anterior scalene, phrenic n., and suprascapular fossa |
The transverse cervical a. runs anterior to what muscle? superior to what other artery? | anterior scalene, suprascapular a. |
Branches of the of the transverse cervical branch of the thyrocervical trunk supply what muscles? | trapezius and rhomboid |
What is the major vein of the root of the neck? | subclavian |
The subclavian vein runs anterior to what muscle? | anterior scalene |
What vein drains into the subclavian vein? | external jugular |
Thoracic Outlet cybdrome involves what spinal nerve levels? | C8, T1 level |
Thoracic outlet syndrome can also be caused by an extra rib where? | lateral rib of C7 |
What artery is impinged with thoracic outlet syndrome? | subclavian a. |
The thoracic duct empties into what vein? at the junction with another vein? | subclavian, left internal jugular |