Surface Anatomy Skull, Face, Nose, & Sinuses Flashcards

1
Q

name the bones

A
  1. frontal
  2. temporal
  3. zygomatic
  4. mid. concha (ethmoid)
  5. maxilla
  6. mandible
  7. nasal
  8. shenoid
  9. ethmoid
  10. vomer
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2
Q

Name the bones

A
  1. lacrimal
  2. zygomatic
  3. parietal
  4. sphenoid
  5. temporal
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3
Q

surface anatomy – face regions

A
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4
Q

surface anatomy: Lateral view of face regions

A
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5
Q

Surface Anatomy: nose and mouth

A
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6
Q

Nose Anatomy

A
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7
Q

Septum Anatomy

A
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8
Q

Identify the numbers

A
  1. sphenoid sinus
  2. soft palate
  3. hard palate
  4. sella turcica
  5. nasal bone
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9
Q

Identify the numbers

A
  1. vestibule
  2. frontal sinus
  3. sphenoid sinus
  4. superior concha (concha are also called turbinates)
  5. middle concha
  6. inferior concha
  7. eustachian tube orifice
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10
Q

identify the numbers

A
  1. orbits
  2. ?
  3. maxillary sinus
  4. ?
  5. superior conchat
  6. middle concha
  7. inferior concha
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11
Q

Identify the numbered arteries.

A
  1. anterior ethmoidal artery
  2. posterior ethmoidal artery
  3. greater palantine
  4. superior labial branch of facial artery
  5. septal branch of superior labial artery
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12
Q

which artery feeds the posterior and ethmoidal arteries?

A

ophthalmic artery

( which is a branch of the internal carotid artery)

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13
Q

the facial artery is a branch of which artery

A

External carotid artery

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14
Q

identify the numbered nerves

A
  1. anterior ethmoidal n.
  2. olfatory area
  3. nasopalantine n.
  4. branch of infra-orbital
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15
Q

Which area of the nose is innervated by CN V1 (opthalmic branch of Trigeminal n.)

A

antereosuperior part (front and top)

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16
Q

The nasopalatine n. arises from which cranial nerve

A

CN V2 (maxillary branch of trigeminal n.)

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17
Q

What ganglion is associated with CN V2

A

pterygopalatine ganglion

18
Q

CN V2innervates what part of the nose

A

posteroinferior (1/2 - 2/3)

19
Q

Nasal innervation lateral view

A
20
Q

identify the numbered facial nerve branches

A
  1. temporal
  2. zygomatic
  3. buccal
  4. mandibular
  5. cervical

(To Zanzibar By Motor Car)

21
Q

what motor function is the facial nerve (CN VII) associated with

A

Facial expression

22
Q

what are a few tests that confirm funtionality of CN VII (facial)

A

show teeth

grimace

tightly close eyes

23
Q

what is UMN lesion

A

Upper Motor Neuron Lesion -

Results from damage to neuronal cell bodies in the cortex or their axons that project via the corticobulbar tract through the posterior limb of the internal capsule to the motor nucleus of CN VII

Causes loss of voluntary control of only the lower muscles of facial expression on the side _ contralateral_ to the lesion

24
Q

What is a LMN lesion

A

Lower Motor Neural lession

Results from damage to the motor nucleus of CN VII or its axons

Causes paralysis of all muscles of facial expression (including those of the forehead) ipsilateral to the lesion.

25
Q

this is an example of what type of facial nerve lesion? which side has been damage?

A

a. LMN (notice the lower and upper asymmetry)
b. the right

26
Q

what type of lesion to the facial nerve is this? Which side is damaged?

A

a. UMN — notice only the lower portion of face has assymetry
b. Left side

(UMN lesions are usually seen in stroke)

27
Q

list a few facial muscle innervated by CN VII

A

platysma

orbicularis occuli

orbicularis orbis

occiptofrontalis

levator anguli oris

28
Q

Facial artery schematic

A
29
Q

You’re transporting a patient to PACU. You’re performing a jaw thrust because the patient is still obstructing. What else can be assessed by placing your middle and ring finger on the body of the mandible

A

palpate pulse via facial artery

30
Q

Do the conchae project form the septum or from the lateral wall of nasal passage?

A

lateral wall

31
Q

True or False. The upper, middle, and inferior conchae are all part of one structure.

A

false.

the upper and middle conchae are part of the medial aspect of ethmoid bone. the inferior concha is a separate structure

32
Q

the vestibule of the nose is innervated by what nerve?

A

the infraorbital nerve

33
Q

the hard palate is innervated by which nerve?

A

nasopalantine nerve

34
Q

True or False. The facial nerve is both sensory and motor.

A

True.

35
Q

what nerve transverses the parotid gland?

A

facial n.

36
Q

What aspect of a face mask could potentially damage the facial nerve?

A

the face mask strap being adjusted to tightly

37
Q

is the nose’s structural components bone or cartilage or both?

A

both

38
Q

name some functions of nasal sinuses

A

lighten the skull

moisture air

39
Q

what other cranial nerve supplies sensory innervation to the face

A

CN V (trigeminal n)

  1. Ophthalamic division (CN V1)—supplies forehead and upper eyelid.
  2. Maxillary division (CN V2)—supplies lower eyelid, cheek, nose, and upper lip
  3. Mandibular division (CN V3)—supplies lower jaw, lower lip and chin
40
Q

Which sinuses are infra-orbital and which are supra-orbital?

A

infra-orbital = maxillary sinuses

supra-orbital = frontal sinuses

41
Q

are the turbinates (a.k.a conchae) bone or cartilage?

A

bone

42
Q

what are the components of the nasal septum?

A
  1. Perpendicular plate of the ethmoid bone
  2. Vomer
  3. Septal cartilage