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Anatomy > Head and neck > Flashcards

Head and neck Flashcards

1
Q

Thoracic Outlet Syndrome

A

Compression of the trunks of the brachial plexus and the sublclavian artery within the scalene triangle

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2
Q

Laceration of what vessel results in Epidural hematoma

A

Middle Meningeal artery from Maxillary artery

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3
Q

Paryngeal arches composed of

A

mesoderm and NC cells

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4
Q

Pharyngeal pouches composed of

A

Endoderm

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5
Q

Pharyngeal grooves and clefts composed of

A

Ectoderm

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6
Q

What N componenet of Pharyngeal arch 1

A

Trigeminal:

Mandibular N

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7
Q

What N component of Pharyngeal arch 2

A

Facial N

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8
Q

What N component of pharyngeal arch 3

A

CN 9

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9
Q

What N component of pharyngeal arch 4

A

CN 10

Superior laryngeal N

Pharyngeal branches

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10
Q

What N component of pharyngeal arch 6

A

CN 10

Recurrent Laryngeal N

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11
Q

What muscles derived from pharyngeal arch 1

A
  1. Muscles of mastication:
    1. Masseter
    2. Temporalis
    3. lateral pterygoid
    4. Medial pterygoid
  2. Digastic
  3. Mylohyoid
  4. Tensor tympani
  5. Tensor veli palatini
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12
Q

What muscles derived from pharyngeal arch 2

A
  1. Muscles of facial expression
  2. Diagstric (posterior belly)
  3. Stylohyoid
  4. Stapedius
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13
Q

What muscles derived from pharyngeal arch 3

A

Stylopharyngeus muscle

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14
Q

What muscle is derived from pharyngeal arch 4

A

Cricothyroid muscle

Soft palate

5 muscles of phaynx

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15
Q

What muscle is derived from phayrngeal arch 6

A

Intrinsic muscles of larynx (except cicothyroid muscle)

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16
Q

What artery components of phayrngeal arch 3

A

Rt and Lt common carotid

Rt and Lf internal carotid

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17
Q

What artery component of pharyngeal arch 4

A

Right subclavian

Arch of aorta

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18
Q

What artery component of pharyngeal arch 6

A

Rt and lf pulmonary arteries

Ductus arteriosus

19
Q

Pharyngeal pouch 1 becomes

A

Epithelial lining of auditory tube and middle ear cavity

20
Q

Pharyngeal pouch 2 becomes

A

Epithelial lining of crypts of palatine tonsil

21
Q

Pharyngeal pouch 3 becomes

A

Inferior parathyroid gland

Thymus

22
Q

Pharyngeal pouch 4 becomes

A

Superior parathyroid gland

C-cells of thyroid

23
Q

Pharyngeal groove 1 becomes

A

Epithelial lining of external auditory meatus

24
Q

Anterior 2/3 of tongue associated with

A

Pharyngeal arches 1 and 2

25
Q

Taste sensation of pos 1/3 of tongue carried by

26
Q

General sensation of pos 1/3 of tonge by

27
Q

General sensation of Ant 2/3 of tongue

A

Lingual branch of CN 5

28
Q

Taste sensation of Ant 2/3 of tongue by

A

Chorda tympani of CN 7

29
Q

Posterior 1/3 of tongue associated with

A

Pharyngeal arch 3

30
Q

Somatic (motor) innervation of tongue bye

A

CN 12 except palatoglossus muscle

31
Q

Cleft lip occurs when

A

Maxillary prominence fails to fuse with medial nasal prominence

32
Q

Cleft palate occurs when

A

The palatine shelves fail to fuse with each other or the primary palate

33
Q

What runs through superior orbital fissure

A

CN 3, 4, 51 and ophthalmic veins

34
Q

What runs through foramen rotundum

A

Maxillary neve (CN 52)

35
Q

What runs through foramen ovale

A

Mandibular N (CN 53)

36
Q

What runs through foramen spinosum

A

Middle meningeal artery

37
Q

What runs through internal auditory meatus

A

CN 7 and CN 8

38
Q

What runs through jugular foramen

A

CN 9, CN 10, CN 11

39
Q

Why runs through hypoglossal canal

40
Q

What runs though the foramen magnum

A

Spinal Cord

CN 11

Vertebral arteries

41
Q

Epidural space

A

Space between the periosteal dura and the bones of the skull

42
Q

Subdural space

A

Space between the meningeal dura and the arachnoid membrane

43
Q

Subarachnoid space

A

Between the arachnoid and pia mater

Contains CSF

44
Q

Epidural hematoma clinical

A
  • Lens-shaped
  • Momentary loss of consciousness followed by a lucid period of up to 48 hrs
  • Elevated Intracranial P
  • Herniation of temporal lobe, coma, and death

Anatomy (25 decks)

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