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PT 620 Neck I
Flash cards for the neck one section
| Question | Answer |
|---|---|
| What is the superior border for the Anterior triangle of the neck? | edge of the jaw |
| What is the lateral border of the Anterior triangle of the neck? | sternocleidomastoid |
| What is the medial border of the Anterior triangle of the neck? | anterior midline of the neck |
| What is the inferior border for the Posterior triangle of the neck? | clavicle |
| What is the medial border of the Posterior triangle of the neck? | upper trapezius |
| What is the lateral border of the Posterior triangle of the neck | sternocleidomastoid |
| What four structures are found in the Midline of the neck? (deep) | Hyoid bone, Thyroid Cartilage, Cricoid Cartilage, Tracheal Cartilage |
| What muscle runs from the mouth and mandible to the 2nd rib? | Platysma |
| The platysma attaches to the _________ and ___________. | fascia; skin |
| The Platysma m. is innervated by ______________ nerve. | facial |
| What muscles origin is the manubrium and medial 1/3 of the clavicle? | Sternocleidomastoid |
| The Sternoclediomastoid inserts on the _____________ _____________. | mastoid process |
| The sternocleidomastoid is innervated by _______________. | accessory CN XI nerve |
| What muscle flexes the neck and rotates it to the opposite side. | Sternocleidomastoid |
| The posterior belly of the digastric muscle originates from the _____________ _____________. | mastoid process |
| The anterior belly of the digastric originates from the inner __________ (just lateral to midline). | mandible |
| The digastrics join together at an intermediate tendon and attach to ____________. | hyoid |
| intermediate tendon of digastric bellies and omohyoid muscle bellies attach to their origin via a _________ __________ | fascial sling |
| The intermediate tendon of the digastric muscle passes through what muscle? | stylohyoid muscle |
| The digastic muscle moves the hyoid _________ and ____________in swallowing. | superior and posterior |
| The digastric muscle also helps to ___________ the jaw against resistance. | open |
| The posterior belly of the digastric muscle is innervated by __________ nerve | facial |
| The anterior belly of the digastric belly is innervated by ___________ nerve. | trigeminal |
| What muscles are known as the strap muscles found in the muscular triangle | omohyoid, sternohyoid, sternothyroid, thyrohyoid |
| Is the omohyoid muscle a single belly or double belly muscle? | double |
| The origin of the inferior belly is the superior ___________ _________ | margin of the scapula |
| The origin of the superior belly is from the __________ bone | hyoid |
| The superior and inferior bellies of the omohyoid muscle are joined by an ___________ ____________ | intermediate tendon |
| Where does the intermediate tendon of the omohyoid muscle attach? | posterior clavicle and first rib (by facial sling) |
| The omohyoid muscle is innervated by ___to___ | C1 to C3 |
| What cervical spinal nerves are known as the ansa cervicalis? | C1 to C3 |
| What strap muscle originates on the manubrium and inserts on the hyoid bone? | Sternohyoid |
| The sternohyoid muscle is innervated by what branches of the ansa cervicalis? | C1-C3 |
| What strap muscle originates from the thyroid cartilage and inserts on the hyoid bone? | Thyrohyoid |
| What innervates the thyrohyoid muscle? | C1 fibers via the hypoglossal nerve |
| What strap muscle originates on the manubrium and attaches to the thyroid cartilage? | Sternothyroid |
| The sternothyroid is innervated by _____ and ______ | C2 and C3 of the ans cervicalis |
| What three structures do the strap muscles depress during swallowing? | larynx, hyoid bone, and floor of the mouth |
| The spinal portion of the accessory nerve, CN XI, innervates what muscle? | Sternocleidomastoid |
| What nerve (one nerve only) appears at the posterior border of the sternocleidomastoid? | CN XI |
| The point that the CN XI appears at the posterior border of the sternocleidomastioid is called ________ __________ | Erb's point |
| The CN XI nerve will traverse the posterior triangle and run deep to which muscle? | Trapezius |
| What group of nerves emerges at Erb's point? | cervical plexus |
| What are the four sensory cutaneous branches of the cervical plexus? | 1. Lesser occipital 2. Greater Auricular 3. Transverse cervical 4.Supraclavicular (3 of them) |
| What nerve come accross on the surface of the scalene? | phrenic |
| The motor fibers of the cervical plexus come from what levels? | C1-C3 |
| The Ansa Cervicalis is made up of a ________ and _________ root. | superior and inferior |
| The superior root has what cervical branch? | C1 |
| superior root is also known as the _________ _________ | descendens hypoglossi |
| what nerve runs with the superior root for a short distance? | hypoglossal |
| What nerve branches run with the inferior root? | C2-3 |
| The inferior root is also known as the __________ __________ | descendens cervicalis |
| Branches of the ansa cervicalis are given off to what three muscles? | omohyoid, sternothyroid, and sternohyoid |
| The facial nerve is what number cranial nerve? | CN VII |
| The facial nerve is Primarily in the face, what other two muscles (or part of muscles) does it innervate? | platysma, and posterior belly of digastric |
| The tenth cranial nerve is the ________ nerve. | Vagus |
| The vagus nerve runs in the _______ sheath. | carotid |
| What are the three branches of the vagus nerve? | pharyngeal, internal and external recurrent laryngeal nerves |
| The sensory and motor innervation to the larynx is done by? | branch to the carotid body |
| Cranial Nerve XII is the ___________ | Hypoglassal |
| Where does the hypoglossal nerve exit the skull? | The hypoglossal canal |
| The hypoglossal nerve runs deep to what muscle? | posterior belly of digastric muscle |
| The hypoglossal runs with descends hypoglossi and then... | enters the floor of the mouth |
| The hypoglossal nerve innervates the.. | muscle of the tongue |
| At what vertebral level is the thyroid gland? | lower cervical, T1 |
| What is the inferior border of the carotid triangle? | superior border of omohyoid |
| what is the lateral border of the carotid triangle? | sternocleidomastoid |
| What is the medial border of the carotid triangle? | boundaries of digastric |
| The carotid sheath contains what nerve and two vessels? | vagus nerve, common/internal carotid artery, and internal jugular vein |
| The common carotid artery divides at the superior border of what? at what vertebral level? | thyroid cartilage at C3, 4 level |
| The internal carotid travels where? | into the cranial fossa to supply the brain |
| How many branches does the external iliac branch into? | 8 |
| What branch of the external artery might come off with lingual artery? and crosses edge of mandible? | facial |
| What branch of the external iliac ascends the anterior ear? | superficial temporal |
| How many branches go off the superficial temporal? | 1 or 2 terminal branches |
| Which branch of the external iliac supply the deep face? | maxillary artery |
| What vein runs in the carotid sheath? | Internal Jugular |
| The internal jugular receives from ______ veins that parallel branches of the external ________. It also drains dural _________. | deep; carotid; sinuses |
| What is the most constant superficial vein? | external jugular |
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