Flashcards of Head and Neck Anatomy (Unit 13)

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Posterior Boundary of Posterior Triangle of Neck is formed by?
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Trapezius (Anterior border)

Which joint Allows to nod head NO?
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Atlanto Axial Joint

Normal mandibular range of Protrosive motion (ROM) is ______ mm?
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10 mm

Normal mandibular range of motion (ROM) is ______ mm?
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50 mm

Floor Boundary of Posterior Triangle of Neck is formed by?
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Splenius capitus, Levator scapulae and Scalene muscles

What are the contents of Posterior Triangle of Neck?
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Exterior jugular vein, Cervical plexus, lesser occipital nerve, great auricular nerve; CN XI, phrenic nerve Subclavian vein, artery, brachial plexus

Crepitus at TMJ area is most commonly due to?
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Osteoarthritis of the condyle (degenerative disease).

Click on Opening and Closing of Mouth is most commonly associated with?
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Disc displacement with Reduction

Clicking of TMJ is most commonly associated with?
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Disc displacement

Roof Boundary of Posterior Triangle of Neck is formed by?
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Skin, Superficial fascia, platysma, Deep investing fascia of neck

The Pretracheal layer of deep cervical fascia Extends from?
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Hyoid bone to Thorax

Inferior Boundary of Posterior Triangle of Neck is formed by?
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Clavicle (middle 1/3)

Dull thud at TMJ is most commonly associated with?
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With self-reducing subluxation of the condyle

Which joint Allows to nod head YES?
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Atlanto Occipital Joint

Retropharyngeal Space is present between?
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Pharynx (buccopharyngeal fascia) and Prevertebral Fascia

Carotid Sheath extends from?
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Base of Cranium to root of Neck

Anterior Boundary of Posterior Triangle of Neck is formed by?
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SCM (post border)

Thyroid moves with laryngeal movements due to?
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The Pretracheal layer of deep cervical fascia

Platysmal Muscle is innervated by?
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Cervical branch of CN VII

What are the Contents of Carotid Sheath?
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■ Common carotid artery ■ Internal jugular vein ■ CN X ■ Also associated with: ■ Lymph nodes ■ Carotid sinus nerve ■ Sympathetic nerves

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