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Movement and control > The TMJ > Flashcards

The TMJ Flashcards

1
Q

Structural flow chart of bronchial tree

A 
Secondary bronchi (hyaline cartilage)
Tertiary bronchi (columnar epithelial cartilage)
Smaller bronchi
Bronchioles
Terminal bronchioles
Respiratory bronchioles
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2
Q

How to treat pneumothorax

A

Large bore cannula mid clavicular line 2nd intercostal space

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3
Q

Borders of the larynx

A
  • Anteriorly: infrahyoid muscles
  • Laterally: thyroid gland
  • Posteriorly: oesophagus
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4
Q

Unpaired cartilage in larynx

A

Thyroid, cricoid, epiglottis

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5
Q

Paired cartilage in larynx

A

Arytenoid, corniculate, cuneiform

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6
Q

Examples of intrinsic compression

A

Stricture, carcinoma, bolus, oesophageal spasm

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7
Q

Examples of extrinsic compression

A

Bronchus carcinoma, aortic aneurysm, goitre

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8
Q

Common causes of swallowing issues

A

GORD and oesophageal cancer

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9
Q

MS

A
  • Link to Epstein-Barr virus (glandular fever)
  • Antibodies to EB are similar to myelin ABs
  • Demyelination in brain = swallowing difficulties
  • Associated with pain - trigeminal neuralgia, triggered by chewing, yawning, sneezing etc
  • Vision and eye pain, diplopia, vertigo, dysphagia
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10
Q

Vallate papilli

A

Small bumps on tongue

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11
Q

CN taste of tongue

A

Anterior 2/3 is chorda tympani

Posterior 1/3 is glossopharyngeal

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12
Q

1st arch

A

CN5

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13
Q

2nd arch

A

CN7

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14
Q

3rd arch

A

CN9

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15
Q

4/6th arch

A

CN10

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16
Q

Masseter function

A

elevates mandible in closing jaw, protrudes mandible

17
Q

Temporalis function

A

Elevates mandible in closing jaw, retracts mandible

18
Q

Medial pterygoid function

A

Elevates mandible in closing jaw, protrudes mandible, chewing movements

19
Q

Lateral pterygoid function

A
  • Protracts/protrudes mandible - acts bilaterally

- Depresses chin

20
Q

Functions of larynx

A
  • Phonation
  • Articulation with mouth and tongue
  • Breathing
  • Phonation
  • Sensory stimulation of back of tongue should stimulate swallowing
21
Q

Where do the muscles of mastication arise from and what are they innervated by?

A

first arch, trigeminal nerve

22
Q

What type of joint is the TMJ?

A

Hinge type of synovial

23
Q

Locked jaw

A

head of mandible dislocated anterior to articular tubercle

24
Q

Swallowing process

A
  • Voluntary oral phase: cerebral cortex control, 5,7,9,10,12
  • Involuntary pharyngeal phase: swallowing centre in medulla oblongata - reflex 5, 9, 10, 12 - respiration is stopped
  • Involuntary oesophageal phase: 10, 9 and sympathetic fibres (peristalsis)
25
Q

Deglutition reflex

A
  • Sensory receptors in oropharynx send signal to deglutition centre in brain stem
  • Initiates motor activity via 5, 9, 10 and 12th cranial nerves
  • Elevates soft palate to close nasopharynx
  • Moves epiglottis and elevates and closes off larynx
  • Initiates peristalsis of pharynx and oesophagus

Movement and control (20 decks)

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