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Anatomy II > Exam 3: Eye, Ear, Etc lecture iv and Neck lecture > Flashcards

Exam 3: Eye, Ear, Etc lecture iv and Neck lecture Flashcards

1
Q

middle ear’s air-filled cavity, the _ cavity, is w/in the temporal bone

A

tympanic cavity

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2
Q

the tympanic cavity, the _ tube opens into the cavity

A

pharyngotympanic tube

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3
Q

some middle ear contents (we are learning 3)

A
  1. auditory ossicles
  2. chorda tympani nerve
  3. two skeletal muscles: tensor tympani and stapedius
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4
Q

the malleus is attached to the _ membrane

A

auditory ossicle; tympanic membrane

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5
Q

the incus and stapes are attached to the

A

auditory ossicles; oval window

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6
Q

the chorda tympani is a branch of the _ nerve (and CN #)

A

facial nerve (CN VII)

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7
Q

the tensor tympani runs from bone and wall of pharyngotympanic tube to the _

A

malleus

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8
Q

the tensor tympani, it tenses the the tympanic membrane and dampens movements of the ossicles, which help with

A

preventing loud sounds from damaging the internal ear

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9
Q

the stapedius runs from wall of tympanic cavity to _

A

stapes

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10
Q

the stapedius dampens movements of the

A

stapes

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11
Q

the hyoid bone contains a _, two _ and two _

A

a body, two greater horns, and two lesser horns

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12
Q

the hyoid bone makes _ with any other bone

A

no joints

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13
Q

the hyoid bone is suspended, inferior to the mandible, from the styloid processes of the temporal bones by the _

A

stylohyoid ligaments

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14
Q

the hyoid bone provides a _ for the tongue

A

movable base

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15
Q

the hyoid bone serves as a _ to help keep the airway open, and is required for _

A

a prop; required for swallowing

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16
Q

sternocleidomastoid: origin

A

from mastoid process and superior nuchal line (ie skull)

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17
Q

sternocleidomastoid: insertions (a 2 headed muscle)

A
  1. to manubrium of sternum (sternal head of muscle)

2. medial third of clavicle (clavicular head of muscle)

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18
Q

sternocleidomastoid: innervation (and CN #)

A

spinal accessory nerve (CN XI)

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19
Q

sternocleidomastoid: produces multiple movements of _ and _

A

produces multiple movements of the head and neck

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20
Q

sternocleidomastoid (SCM): action includes either head extension or head flexion via _

A

bilateral contraction of both SCMs

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21
Q

sternocleidomastoid (SCM): action includes assisting in _ during breathing via bilateral contraction of both SCMs

A

rib cage expansion

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22
Q

sternocleidomastoid (SCM): action includes laterally flexing the head (bending it sideways) and rotating head so chin rotates toward the contralateral (opposite) side via

A

unilateral contraction of one SCM

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23
Q

arteries in anterior cervical and SCM regions: brachiocephalic trunk: ascends from from the

A

arch of the aorta (1st branch off the aorta)

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24
Q

arteries in anterior cervical and SCM regions: brachiocephalic trunk: bifurcates into the

A

right common carotid (supplies head and neck) artery and right subclavian artery (supply limbs)

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25
Q

arteries in anterior cervical and SCM regions: the right subclavian artery becomes the _ artery

A

right axillary artery

26
Q

arteries in anterior cervical and SCM regions: left common carotid artery: arises from the _

A

aortic arch

27
Q

arteries in anterior cervical and SCM regions: left common carotid artery: both common carotid arteries ascend within a _

A

carotid sheath

28
Q

arteries in anterior cervical and SCM regions: the carotid sheath is a tube of deep fascia that also contains the (2 structures)

A

internal jugular vein and vagus nerve

29
Q

arteries in anterior cervical and SCM regions: left subclavian artery: arises from the _

A

aortic arch

30
Q

arteries in anterior cervical and SCM regions: left subclavian artery: becomes the _ artery

A

left axillary artery

31
Q

arteries in anterior cervical and SCM regions: each common carotid artery terminates by dividing into an _ artery and _ artery

A

internal carotid artery and an external carotid artery

32
Q

arteries in anterior cervical and SCM regions: carotid sinus: a dilation of the proximal part of the

A

internal carotid artery (it may involve the common carotid artery too)

33
Q

arteries in anterior cervical and SCM regions: carotid sinus: in its wall are _ that detect changes in arterial blood pressure

A

baroreceptors

34
Q

veins in anterior cervical and SCM regions: right internal jugular vein: drains (3 structures)

A

brain, anterior face, and neck structures

35
Q

veins in anterior cervical and SCM regions: right internal jugular vein and right subclavian vein: drain _ and merge to form _

A

drains upper limb; merge to form the right brachiocephalic vein

36
Q

veins in anterior cervical and SCM regions: right internal jugular vein and right subclavian vein: t/f, pattern repeats of the left

A

true

37
Q

veins in anterior cervical and SCM regions: rt and lt brachiocephalic veins merge to form the _ which drains to the rt atrium

A

superior vena cava

38
Q

veins in anterior cervical and SCM regions: external jugular vein: drains into the _ before that vein merges with the internal jugular vein (on rt and lt sides)

A

into the subclavian vein

39
Q

veins in anterior cervical and SCM regions: external jugular vein: part of it lies on the surface of

A

SCM

40
Q

veins in anterior cervical and SCM regions: external jugular vein: it drains many head structures external to the

A

skull

41
Q

thyroid: consists mostly of _ lobes, united by a thin, central _

A

mostly of rt and lt lobes, united by a thin, central isthmus

42
Q

thyroid: wraps around the _ and _ aspects of the trachea at the level of the trachea’s 2nd to 4th rings

A

anterior and lateral aspects

43
Q

thyroid: blood supply: a four-way anastomosis of the _ arteries

A

right and left SUPERIOR thyroid arteries and rt and lt INFERIOR thyroid arteries

44
Q

thyroid: blood supply: the rt and lt inferior thyroid arteries are branches of branches of the _ arteries

A

subclavian arteries

45
Q

parathyroids: typically, 4 of these (two _ and two _ parathyroids) exist on the _ surface of the thyroid

A

(two superior parathyroids and two inferior parathyroids) exists on the posterior surface of the thyroid

46
Q

t/f: aberrant parathyroid glandular tissue is not uncommon

A

true

47
Q

larynx: consists of an articulating skeleton of 9 cartilages joined by _, _, and _, and lined with _

A

ligaments, membranes, and muscles, and lined w/ mucous membrane

48
Q

larynx: thyroid cartilage (1): (the largest/smallest?); its anterior projection is the _

A

(largest); laryngeal prominence

49
Q

larynx: thyrohyoid membrane: attached thyroid cartilage to

A

hyoid

50
Q

larynx: epiglottic cartilage (1): is _ cartilage

A

elastic

51
Q

larynx: epiglottic cartilage (1): together w/ an overlying mucous membrane forms the

A

epiglottis

52
Q

larynx: epiglottic cartilage (1): attached by ligaments to the _ cartilage and _ bone

A

thyroid cartilage and hyoid bone

53
Q

larynx: epiglottic cartilage (1): prevents _ from entering the larynx during swallowing

A

food

54
Q

pharynx has how many parts? and what are they?

A

3

  1. nasopharynx
  2. oropharynx
  3. laryngopharynx
55
Q

pharynx: nasopharynx: posterior to the

A

nose

56
Q

pharynx: nasopharynx: the superior, _ part of the pharynx

A

non-collapsible part

57
Q

pharynx: nasopharynx: contains the _ tonsil

A

pharyngeal tonsil

58
Q

pharynx: nasopharynx: has only a _ fcn

A

respiratory fcn

59
Q

pharynx: oropharynx: posterior to the

A

mouth

60
Q

pharynx: laryngopharynx: posterior to the

A

larynx

Anatomy II (28 decks)

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