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PT 620 Neck II
study help for Neck II section
| 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 |
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