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Musculoskeletal Anatomy > Axial: Head, Neck And Face > Flashcards

Axial: Head, Neck And Face Flashcards

1
Q

What are the boundaries of the posterior triangle?

A

Anterior: SCM
Posterior: Trapezius
Inferior: Clavicle

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2
Q

What are the important structures of the posterior triangle?

A

-External Jugular vein
-Cervical Plexus
~Sensory Nerves of head and neck
-Interscalene triangle
~Subclavian artery
~Brachial plexus
-Spinal Accessory Nerve: CN XI
~Exits jugular foramen & innervates trap and SCM

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3
Q

What are the nerves of the cervical plexus?

A
  • Lesser Occipital Nerve (C2)
  • Greater Auricular Nerve (C2-C3)
  • Transverse Cervical Nerve (C2-C3)
  • Supraclavicular Nerve (C3-C4)
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4
Q

What are the muscles of the posterior triangle?

A

-SCM
-Traps
-Scalenes
~Ant, post, and middle
-Levator Scapulae
-Splenius Capitis

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5
Q

What are the borders of the Interscalene Triangle? What are it’s contents?

A

Borders:

  • Anterior Scalene
  • Middle Scalene
  • 1st Rib

Content:

  • Subclavian artery
  • Nerve roots of brachial plexus
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6
Q

What are the boundaries of anterior triangle?

A 
Anterior
  -Midline of neck
Posterior
  -SCM
Superior
  -Lower border of mandible
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7
Q

What bone divides the anterior triangle?

A

Hyoid bone

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8
Q

What are the main function of the hyoid bone?

A
  • Skeleton of the tongue
  • Anchored by muscles
  • Aids in tongue movement, swallowing, and phonation
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9
Q

The Alimentary layer is comprised of:

A

The Pharynx and esophagus

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10
Q

What is the main function of the ANS?

A

Regulates bodily functions such as heart rate, digestion, respiratory rate, pupillary response, urination, and sexual arousal.

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11
Q

All muscles of the face is innervated by:

A

Facial Nerve CN VII

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12
Q

The internal acoustic meatus houses what two nerves?

A

Facial Nerve

Vestibular Cochlear Nerve

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13
Q

What are the muscles of mastication?

What are their innervation?

A

Temporalis
Masseter
Medial Pterygoid
Lateral Pterygoid

Trigeminal nerve: Mandibular division

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14
Q

What are the Cranial nerves?

A 
Olfactory CNI I
Optic CN II
Oculomotor CN III
Trochlear CN IV
Trigeminal CN V
Abducent CN VI
Facial Nerve CN VII
Vestibulocochlear CN VIII
Glossopharyngeal CN IX 
Vagus CN X
Accessory CN XI
Hypoglossal CN  XII
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15
Q

True or False: Trigeminal nerve provides taste to anterior 2/3 tongue.

A

False, Trigeminal nerve provides SENSATION to anterior 2/3 of tongue

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16
Q

Which cranial nerve provides taste and sensation of posterior 1/3 of tongue?

A

Glossopharyngeal

Musculoskeletal Anatomy (3 decks)

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