Term
What is the main nerve supply to the infrahyoid muscles? |
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Definition
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Term
Which infrahyoid muscles are supplied by the ansa cervicalis? Which are not? |
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Definition
The omohyoid, sternohyoid, and sternothyroid are all innervated by the a.c. the thyrohyoid is innervated by C1 |
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Term
C1 innervates which infrahyoid muscle? |
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Definition
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Term
Which two veins unite to form the external jugular? |
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Definition
The posterior auricular and the retromandibular (posterior division) |
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Term
How many Cranial nerves are there? How many Cervical nerves? |
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Definition
Cranial nerves are 12 in number (CNI - CNXII) Cervical nerves are 8 in number (CI - CVIII) |
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Term
What are the boundaries of the posterior triangle of the neck? Of the anterior triangle? |
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Definition
Posterior triangle: ■ the middle one-third of the clavicle;
■ the anterior margin of trapezius;
■ the posterior margin of the sternocleidomastoid. Anterior triangle: ■ the median vertical line of the neck;
■ the inferior margin of the mandible;
■ the anterior margin of the sternocleidomastoid muscle.
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Term
What layer of fascia contains the platysma? |
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Definition
The superficial cervical fascia |
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Term
What nerve innervates the platysma? |
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Definition
CN VII / cervical branch of the facial nerve |
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Term
Which are not contained by the carotid sheath?
A. Common carotid artery B. internal carotid C. external carotid D. vagus nerve E. phrenic nerve |
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Definition
C. external carotid D. phrenic nerve |
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Term
What motor nerve innervates the Sternocleidomastoid? What innervates for pain and proprioception? |
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Definition
Motor: CN XI / Spinal accessory nerve Pain and proprioception: C2 and C3 |
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Term
Which does not feed through the Scalenus Triangle? A. Subclavian Vein B. Brachial Plexus C. Subclavian Artery |
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Definition
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Term
What structures form the borders of the Submental Triangle? |
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Definition
The anterior bellies of the left and right digastric muscles, and the hyoid bone. |
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Term
What are the 4 triangles that make up the Anterior Triangle? |
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Definition
Submental, Submandibular, Muscular, Carotid |
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Term
What are the 3 layers of deep cervical fascia? |
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Definition
Investing Pretracheal Prevertebral |
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Term
The ____ fascia blends laterally with the carotid sheaths. |
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Definition
Pretracheal Layer of Deep Cervical |
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Term
What is the motor innervation of the Trapezius? What nerves provide for pain and proprioception? |
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Definition
Spinal root of Accessory nerve (CN XI) C3 and C4 |
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Term
The pulsations of what vessel can be felt upon deep pressure to the supraclavicular triangle of the neck? |
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Definition
The third part of the subclavian artery -compression of this part of the subclavian against the first rib can control bleeding in the upper limb |
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