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33 Cards in this Set
- Front
- Back
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This is a passage for air and also involved in vocalization? What is this anatomical structure? |
Larynx |
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How many cartilage structures are there on the larynx? |
9, 3 paired cartilage structures and 3 single cartilages
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What are the three single cartilage of Larynx? |
Thyroid, cricoid and epiglottis
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What nerve innervates the muscles that change the tension of the vocal cords? |
CN X Vagus nerve |
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Vocal Cords, which cartilaginous structures is it stretched between? |
arytenoid cartilage and cricoid cartilage
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What are the folds called for the vocal cords, and what is the space between the folds called?
Which one is superior? |
True vocal folds, vestibular folds and Ventricle
The vestibular fold is superior to the true vocal fold. |
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When the ventricle is larger, does it make the voice go deeper or higher? |
Deeper |
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Is the hyoid attached to the thyroid cartilage? Explain |
Yes, the thyrohoid membrane connects the thyroid cartilage to the hyoid |
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What does the internal Jugular vein drain? What veins join it? |
Blood from CNS, Blood from scalp and Deep parts of face
Anterior and external jugular veins |
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What does Anterior and external jugular veins drain? |
Blood from superficial part of face and neck |
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Once the anterior and external jugular veins empty into the internal jugular vein, it joins with what to form the brachiocephalic veins? |
Subclavian Vein |
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What do the veins become once brachiocephalic veins? |
Superior Vena cava that drains to the right cardiac atrium |
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Common carotid artery arises from arch of the aorta? T/F |
False, the left side is from the arch of aorta but the right side arises from the brachiocephalic trunk. |
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What does the common carotid artery divide into? What does each supply? |
External and internal carotide arteries at level of C4
Internal carotid supplies CNS External carotid supplies face and parts of the neck |
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What are the most important branches of external carotid artery? |
Facial Artery - supply the superficial part of the face Maxillary artery - supply deep part of the face Superficial Temporal artery - supply major parts of the scalp
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O: TvP of C2-C8 I: Anterior and Middle Scalene is First rib and Posterior Scalene is second rib
What is the innervation and function of this muscle? |
Scalenes
N: Ventral Rami of C2-C8 F: Neck Flexion, Side Flexion, elevation of first two ribs |
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O: Vertebral Bodies of Lower Cervical and Upper Thoracic. Also TvP I: Anterior tubercle of C1, and vertebral bodies and TvP of Cervical Vertebrae
What is Innervation and Function? |
Longus Coli
N: Ventral Rami of C2-C6 F: Neck Flexion and Contra-lateral rotation (like SCM) |
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O: TvP of Middle Cervical Vertebrae I: Occipital Bone, base of skull
Nerve and Function? |
Longus Capitus
N: Ventral Bodies of C1-C3 F: Head Flexion and Side Bend |
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A patient has COPD what muscle may become hypertrophied and spasm due to overuse? What kind of posture does this cause? |
Scalenes
Forward head posture due to shortening of these muscles. |
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What are the Infra-hyoid muscles?
What is there general function
What innervates them? |
Sterno-hyoid, Omo-hyoid, Thyro-hyoid Sterno-thyroid
F: Pull down and stabalize the hyoid bone/thyroid cartilage
N: Branches of cervical plexus (C1-C3)
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Omo-hyoid |
O: Scapula I: hyoid bone Has two bellies, a superior and inferior belly and an intermediate tendon connects it to clavicle N: Cervical plexus (C1-C3) F: pull down hyoid and stabalizes. |
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Thyro-hyoid |
O: Thyroid cartilage I: hyoid N: Cervical Plexus C1-C3 F: pulls down hyoid and stabalizes |
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Sterno-hyoid |
O: Sternum I: hyoid bone N: Cervical Plexus C1-C3 F: pulls down hyoid and stabalizes |
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Sterno-thyroid |
O: Sternum I: thyroid cartilage N: Cervical Plexus C1-C3 F: pulls down hyoid and stabalizes |
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Supra-hyoid muscles What is there major function? What is there innervation? Which muscle has different nerve than others? |
F: Elevate hyoid bone or depress the mandible N: Facial and Trigenimal mandibular division
Geniohyoid muscle is innervated by cervical plexus (C1) |
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Stylo-hyoid
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O: Styloid process of temporal bone
I: hyoid bone N: Facial nerve VII F: Elevate hyoid |
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Mylo-hyoid
What is this related to in the face? |
O: Internal surface of mandible I: Hyoid bone N: Trigenimal Mandibular Division F: F: Elevate hyoid or depress mandible
Floor of oral cavity |
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Genio-hyoid |
O: mandible (geniotubercles of mandible) I: hyoid bone N: Cervical Plexus C1 F: Elevate hyoid or depress mandible |
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Digastric |
O: Mastoid Process of mandible I: Mandible Intermediate tendon on hyoid N: Anterior belly is CN5 Posterior belly is CN7 F: Elevate hyoid or depress mandible |
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What two arteries arise from the thyro-cervical trunk? |
Cervicodorsal artery supra-scapular |
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Where does the thyro-cervical trunk arise from? |
Sub-clavian |
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O: Sternum and Medial 1/3 of Clavicle I: Mastoid process of temporal bone and Lateral 1/3 of Superior Nuchal Line
Function and innervation? |
Sternocleidomastoid Spinal Accessory nerve (XI) F: Flex Neck, Side bend, Contra-lateral rotation |
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Most superficial muscle in neck O: Delto-Pectoral Fascia I: inferior border of mandible and fascia of lower face below mouth
Function and innervation? |
Platisma Cranial nerve VII facial F: Tenses the skin of the neck and lower face |
