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head and neck anatomy 1 > head and neck > Flashcards

head and neck Flashcards

1
Q

what are fontanelles?

A

feature of infant skull compromising of soft membranous gaps between cranial bones

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2
Q

name the sutures of the skull

A
  • sagittal
  • coronal
  • lambdoid
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3
Q

what is the cranial composed of?

A
  • ethmoid
  • frontal
  • occipital
  • sphenoid
  • temporal
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4
Q

what is the cranial vault (top of skull composed of)?

A
  • frontal
  • occipital
  • parietal
  • temporal
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5
Q

name the bones which contribute to the orbit?

A
  • ethmoid
  • lacrimal bone
  • maxilla
  • zygomatic
  • sphenoid
  • frontal
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6
Q

other than bones, what other structures lie in the orbit?

A

optic foramen, superior orbital fissure, inferior orbital fissure

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7
Q

which cranial nerves supply the orbit?

A
  • CN 3 (oculomotor)
  • CN 4 (trochlear)
  • CN 5 (trigeminal)
  • CN 6 (abducens)
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8
Q

which nerve supplies the teeth?

A

infraorbital

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9
Q

which vessel supplies majority of blood to head an neck?

A

common carotid (only supplier to brain)

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10
Q

the common carotid artery spits into 2 branches, what are these?

A

internal and external common carotid artery

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11
Q

which common carotid after, internal or external, has no branches in the neck?

A

internal

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12
Q

what does the internal carotid artery supply?

A
  • anterior part of brain
  • eye
  • forehead
  • nose
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13
Q

where does external carotid artery supply?

A

head and neck

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14
Q

which artery supplies the pharynx?

A

ascending pharyngeal

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15
Q

which artery supplies the floor of the mouth?

A

lingual

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16
Q

which artery supplies the thyroid?

A

superior thyroid

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17
Q

which artery supplies the back of the scalp?

A

occipital

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18
Q

which artery supplies the ear?

A

posterior auricular

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19
Q

which artery supplies the temporals muscle and scalp?

A

superficial temporal

20
Q

which artery supplies the maxilla?

A

maxillary

21
Q

which vein drains the cerebrum, inside the skull and most external structures?

A

internal jugular vein

22
Q

which area of the head and neck does the external jugular vein drain?

A

some external structures

23
Q

what is the fluid found in the brain and spinal chord called?

A

cerebrospinal fluid

24
Q

which cells produce cerebrospinal fluid?

A

ependymal cells

25
Q

does the opthalmic branch of the trigeminal nerve have sensory or motor functions?

A

sensory

26
Q

does the maxillary branch of the trigeminal nerve have sensory or motor functions?

A

sensory

27
Q

does the mandibular branch of the trigeminal nerve have sensory or motor functions?

A

motor and sensory

28
Q

the TMJ is what type of joint?

A

synovial

29
Q

what is a synovial joint?

A

connection of 2 bones consisting of cartilage lined cavity filled with synovial fluid

30
Q

which muscle opens the mouth?

A

lateral pterygoid

31
Q

the rams is a bone in the TMJ, it has 2 processes, what are they called?

A
  • coronoid process

- condylar process

32
Q

what is the function of synovial fluid?

A

help movement

33
Q

what is the name of the disc that splits the TMJ into 2 synovial joint cavities?

A

articular disk

34
Q

the TMJ has greatest stability when?

A

mandible is elevated and teeth occlude

35
Q

the condole of the TMJ sits in which structure?

A

articular fossa

36
Q

the articular surface of the TMJ is covered by which type of cartilage?

A

fibrocartilage

37
Q

the TMJ contains 3 extra capsular ligaments, what are these?

A
  • lateral ligament
  • sphenomandibular ligament
  • stylomandibular ligament
38
Q

which nerves supply the TMJ?

A

auricultemporal and masseteric nerves which arise from the trigeminal

39
Q

which vessels provide blood supply to the TMJ?

A

common carotid artery

40
Q

which nerve supplies the muscles of mastication?

A

mandibular branch of trigeminal

41
Q

the masseter muscle has 2 parts, what are these?

A

deep and superficial

42
Q

what is the function of the temporals muscle?

A

elevate and retract mandible

43
Q

what is the function of the medial pterygoid?

A

elevate and protrude mandible

44
Q

what is the function of the lateral pterygoid?

A

depress and protrude mandible

45
Q

one pterygoid muscle runs horizontal and the other vertical, which muscle runs which way?

A

lateral - horizontal

medial - vertical

head and neck anatomy 1 (4 decks)

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