PRACTICE PRACTICAL EXAM HEAD AND NECK PART III
Spring 2016
Key on slide 13; Review slides 14-16
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1
1. IDENTIFY SPECIFIC STRUCTURE AT TIP OF ARROW
2. WHAT TYPE(S) OF MOVEMENT OCCUR AT THIS JOINT?
AP View Xray of patient with open mouth
33. IDENTIFY STRUCTURE FOUND IN THIS LOCATION.
44. IDENTIFY NERVE
55. IDENTIFY NERVE
LARYNX AND LARYGO‐PHARYNXIN POSTERIORVIEW (Pharynxopened)
66. WHAT IS THE SPECIFIC STRUCTURE (SPACE) THE TIP OF THE PROBE IS IN?
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7. A. IDENTIFY MUSCLEB. TYPES OF NEURONS THAT INNERVATE THIS MUSCLE
VIEW OF SUBOCCIPITAL MUSCLES (Muscles removed on left) 8
9
8. WHAT NERVE INNERVATES THIS MUSCLE?
9. IDENTIFY ARTERY.
C2
C1
1010. IDENTIFY STRUCTURE AT TIP OF ARROW.
11. ACTION(S) OF THIS MUSCLE?
12. IDENTIFY MUSCLE.12
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13. IDENTIFY MUSCLE (BE SPECIFIC)
14. WHAT IS THE ANTERIOR ATTACHMENT OF THIS MUSCLE (BE SPECIFIC).
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14
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15. WHAT IS THE SPECIFIC TERM FOR THIS REGION?
KEY
1. Spinous process (bifid) of C2 vertebra (Axis)2. Rotate C1-C2 (shake head 'no')3. Pharyngeal tonsil (roof of nasopharynx)4. Accessory nerve (CNXI)5. Vagus nerve (CNX)6. Piriform recess (popcorn 2, lateral to laryngeal inlet)7. A. Stylopharyngeus, B. Branchiomotor8. Suboccipital nerve (dorsal ramus C1)9. Vertebral artery10. Pedicle of vertebra11. Extend C1-Occipital bone, Rotate C1-C212. Obliquus Capitis Inferior13. Superior Pharyngeal Constrictor14. Hyoid bone15. Oropharynx
1. Rectus Capitis Post. Minor- C1 to Occipital bone; Extend2. Rectus Capitis Post. Major- C2 to Occipital bone: Extend, Rotate3. Obliquus Capitis Superior- C1 to Occipital bone; Extend4. Obliquus Capitis Inferior -C2 to C1; Rotate
Rectus Capitis Post. Minor
Rectus Capitis Post. Major
Obliquus Capitis Superior
Obliquus Capitis Inferior
REVIEW: SUBOCCIPITALMUSCLES
All innervated by -Suboccipital N. (dorsal ramus C1)
Semi-spinalisreflected
SUBOCCIPITAL MUSCLES
ACTIONS DEDUCED FROM ORIGIN-INSERTION
1. Rectus Capitis Posterior Minor-Extend2. Rectus Capitis Posterior Major-Extend/rotate3. Obliquus Capitis Superior-Extend4. Obliquus Capitis Inferior-Rotate
SUBOCCIPITAL TRIANGLE = Rectus Capitis Posterior Major, Obliquus Capitis Inferior, Obliquus Capitis Superior
flex‐extend
rotate
OCCIPITALBONE
C1 - ATLAS
C2 - AXIS
Rectus CapitisPosteriorMinor
Rectus CapitisPosteriorMajor
Obliquus CapitisInferior
Obliquus CapitisSuperior
4. CRUCIATE (CROSS) LIGAMENT-parts
1) Transverse Ligament of Atlas
2) Superior Band to Occipital Bone
3) Inferior Band - Body of C2
REVIEW: LIGAMENTS OF CRANIO-VERTEBRAL JOINTS
INFERIORBAND
SUPERIORBAND
Tell Constrictors Apart by level
Superior Constrictor
Middle Constrictor
Inferior Constrictor
SUPERIOR CONSTRICTOR O - Pterygo-mandibular Raphe(Connective tissue 'ligament' from Medial Pterygoid plate to Mandible) CONTINUOUS ANT. WITH BUCCINATOR)MIDDLE CONSTRICTORO - HYOID
INFERIOR CONSTRICTORO - THYROID & CRICOID Cartilage
REVIEW: PHARYNX CONSTRICTOR MUSCLES
PTERYGO-MANDIBULAR RAPHE
BUCCINATOR