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Anatomy II Exam 3 > flashcards > Flashcards

flashcards

1
Q

masseter action

A

elevates and protracts mandible

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2
Q

temporalis action

A

elevates and retracts mandible

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3
Q

lateral pterygoid action

A

protracts mandible, depresses chin (bilateral), grinding

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4
Q

medial pterygoid action

A

elevates, protracts (bilateral), grinding (unilateral)

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5
Q

What represents the communication pathway between the infra temporal fossa and the pterygopalatine fossa?

A

pterygomaxillary fossa

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6
Q

What arteries branch from the third part of the maxillary artery?

A

posterior superior alveolar, infraorbital, descending palatine, artery to pterygoid canal, pharyngeal artery, sphenopalatine artery

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7
Q

What arteries branch from the first part of the maxillary artery?

A

deep auricular, anterior tympanic, middle meningeal, accessory meningeal, inferior alveolar

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8
Q

What artery branches from the second part of the maxillary artery?

A

buccal

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9
Q

What scalenes attach to the first rib?

A

anterior and middle

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10
Q

What scalenes attach to the second rib?

A

posterior

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11
Q

The posterior belly of the digastric nerve is derived from the second pharyngeal arch and is innervated by what nerve?

A

facial

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12
Q

Where does the digastric muscle originate?

A

anterior belly: digastric fossa of mandible

posterior belly: mastoid notch of temporal bone

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13
Q

What are branches of the medial branch of the external carotid artery?

A

ascending pharyngeal artery

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14
Q

What are branches of the anterior branch of the external carotid artery?

A

facial, lingual, superior thyroid

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15
Q

what are branches of the terminal branch of the external carotid artery?

A

maxillary and superficial temporal

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16
Q

What are the branches of the posterior branch of the external carotid artery?

A

posterior auricular

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17
Q

What is the thyrohyoid supplied by?

A

hypoglossal nerve

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18
Q

Sensory to anterior 2/3 of tongue

A

mandibular branch of the trigeminal nerve

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19
Q

taste from anterior 2/3 of tongue

A

facial nerve

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20
Q

taste from posterior 1/3 of tongue

A

glossopharyngeal nerve

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21
Q

sensory from posterior 1/3 of tongue

A

glossopharyngeal

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22
Q

What glands does the facial nerve supply?

A

lacrimal, submandibular, sublingual, mucous

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23
Q

What gland does the glossopharyngeal nerve supply?

A

parotid

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24
Q

What does the occulomotor nerve supply?

A

extrinsic muscles of the eyes, constrictor pupillae, ciliary muscles

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25
Q

Where are the sensory neurons of CN V located?

A

semilunar ganglion

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26
Q

Where are the sensory neurons of CN VII located?

A

geniculate ganglion

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27
Q

Whater are parasympathetic preganglionic fibers to the ciliary ganglion located?

A

Edinger-Westphal nucleus

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28
Q

What is the spinal accessory nerve located?

A

nucleus ambiguus

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29
Q

What foramina does the mandibular branch of CN V enter?

A

ovale

30
Q

what foramina does the maxillary branch of CN V enter?

A

rotundum

31
Q

What foramina does the internal carotid artery enter?

A

lacerum

32
Q

What are the motor branches of the facial nerve?

A

temporal, zygomatic, buccal, mandibular, cervical

33
Q

What are the branches of the ophthalmic branch of the trigeminal nerve?

A

frontal, lacrimal, nasocilliary

34
Q

What are the branches of the maxillary branch of the trigeminal nerve?

A

infraorbital, anterior superior alveolar, zygomatic, palatine, nasal, posterior superior alveolar

35
Q

What are the branches of the mandibular branch of the trigeminal nerve?

A

muscles of mastication, auriculotemporal, inferior alveolar, lingual, buccal

36
Q

What ligament extends from the styloid process to angle of mandible?

A

stylomandibular ligament

37
Q

What ligament extends from the sphenoid spine to mandibular ligament?

A

sphenomandibular

38
Q

What ligament extends from the base of the zygomatic process to mandibular neck?

A

temporomandibular

39
Q

Anterior border of infra temporal fossa

A

maxilla

40
Q

superior border of infra temporal fossa

A

greater wing of sphenoid

41
Q

medial border of infra temporal fossa

A

lateral pterygoid plate

42
Q

lateral border of infra temporal fossa

A

coronoid process and ramus of mandible

43
Q

inferior border of infra temporal fossa

A

continuous with neck

44
Q

posterior border of infra temporal fossa

A

TMJ and styloid process

45
Q

contents of infratemporal fossa

A 
mandibular nerve
maxillary artery
medial and lateral pterygoid muscles
lower part of temporalis muscle
chorda tympani nerve
orti ganglion
46
Q

motor innervation to tongue

A

hypoglossal

47
Q

superior border of anterior cervical triangle

A

mandible

48
Q

anterior border of anterior cervical triangle

A

midline of neck

49
Q

poster border of anterior cervical triangle

A

sternocleidomastoid

50
Q

What foramina does the middle meningeal artery exit?

A

foramen spinosum

51
Q

What modality are smooth muscles of the gut tract?

A

general visceral motor

52
Q

What modality are skeletal muscles?

A

general somatic motor

53
Q

What modality are autonomic motor muscles?

A

general visceral motor

54
Q

What modality are muscles derived from pharyngeal arches?

A

special visceral motor

55
Q

Where are the medullary rhythmicity center, cardiac center and vasomotor center located?

A

medulla

56
Q

Lesions bilateral to ventral pons causes what?

A

consciousness but quadriplegic

57
Q

Lesions to lateral of pons causes what?

A

hypotonia

58
Q

What is the function of the midbrain?

A

unconscious regulation and coordination of motor activities

59
Q

Red nucleus function

A

receives information from cerebellum and cerebral cortex and projects to cerebellum

60
Q

Cranial nerves VIII, IX, X, XI, and XII are found in which subdivision of the brain?

A

medulla

61
Q

Cranial nerves III, IV are found in which subdivisions of the brain?

A

midbrain

62
Q

Cranial nerves V, VI and VII are found in which subdivisions of the brain?

A

pons

63
Q

What relays information to the primary visual cortex in occipital cortex?

A

lateral geniculate

64
Q

What is the function of the ventral posterior nuclei?

A

general sensations and taste

65
Q

Epithalamus function

A

emotional and visceral responses to odors

66
Q

anterior relay nuclei function

A

concerned with certain emotions and memory

67
Q

reticular relay nuclei function

A

modifies neuronal activity in thalamus

68
Q

RAS function

A

modulates sensation of pain, postural reflexes and muscle tone, helps control breathing and heartbeat, regulates consciousness

69
Q

What group of tracts connects the 2 hemispheres of the brain?

A

commissural

70
Q

Where is the myelencephalon found?

A

in medulla

71
Q

what does the papez circuit deal with?

A

emotions

Anatomy II Exam 3 (2 decks)

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