Oral/Pharyngeal musculature Test # 3 10/6/16 Flashcards Preview

Anatomy HFF > Oral/Pharyngeal musculature Test # 3 10/6/16 > Flashcards

Flashcards in Oral/Pharyngeal musculature Test # 3 10/6/16 Deck (86):
1

What are three basic types of muscles found in the pharynx?

-Palate
-Elevators
-Constrictors

2

Damage to what nerve causes Bell's Palsy?

CN VII

3

What is Bell's Palsy?

-Weakness/paralysis of muscles on 1 side of face
-Dry eye
-Loss of taste
-Sensitivity to sound

4

What do you find in the oral cavity?

-Hard Palate
-Soft palate and uvula
-Palatoglossal arch
-Palatine tonsil
-Palatopharyngeal arch
-Frenulum

5

What is the fauces?

-The arched opening in back of mouth leading to pharynx

6

What muscle do you use to pucker your lips?

Orbicularis Oris

7

What nerve innervates the orbicularis oris?

CN VII Mandibular branch

8

Where does the orbicularis oris originate and insert?

-Deep surface of skin (Superior: Maxilla Inferior: Mandible)
-Mucous membrane of lips

9

What are the three muscles of the floor of the mouth?

-Mylohoid
-Geniohyoid
-Anterior Digastric

10

Where does the mylohyoid originate and insert?

-Mandible (mylohyoid line)
-Hyoid bone (body)

11

What innervates the mylohyoid?

Mylohyoid nerve branch of CN V3

12

Where does the Geniohyoid originate and insert?

-Mandible (inferior genial spines)
-Body of the hyoid bone

13

What innervates the geniohyoid?

Innervated by C1 from Ansa Cervicalis but joins up with CN XII

14

Where does the Anterior Digastric originate and insert?

-Mandible (Digastric fossa)
-Body of Hyoid bone

15

What innervates the anterior digastric muscle?

Mylohyoid nerve of CN V3

16

What are two other muscles that contribute to the surrounding regions of the oral floor?

-Stylohyoid
-Posterior Digastric

17

Where does the Posterior Digastric insert and originate?

-Temporal bone (mastoid notch and medial to mastoid process)
-Body of the hyoid bone

18

What innervates the Posterior Digastric muscle?

-Facial nerve CN VII

19

Where does the stylohyoid originate and insert?

-Temporal bone (Styloid process)
-Body of the hyoid bone

20

What innervates the stylohyoid muscle?

-Facial nerve CN VII

21

What are the four extrinsic muscles of the tongue?

-Genioglossus
-Hyoglossus
-Styloglossus
-Palatoglossus

22

Where does the Genioglossus originate and insert?

-Superior genial spine (Mandible)
-Hyoid body, posterior tongue, ventral surface of tongue

23

What innervates the Genioglossus?

CN XII Hypoglossal

24

Where does the Hyoglossus originate and insert?

-Greater horn of Hyoid bone
-Lateral tongue between styloglossus and inferior longitudinal

25

What innervates the Hyoglossus?

CN XII Hypoglossal

26

Where does the styloglossus originate and insert?

-Styloid process
-Dorsolateral tongue

27

What innervates the styloglossus?

CN XII Hypoglossal

28

Where does the Palatoglossus originate and insert?

-Palatine aponeurosis
-Lateral tongue

29

What innervates the palatoglossus muscle?

-CN X Vagus via pharyngeal plexus

30

What are the four intrinsic tongue muscles?

-Superior longitudinal muscle
-Inferior longitudinal muscle
Transverse muscle
-Vertical Muscle

31

Where does the superior longitudinal muscle insert/originate?

Thin layer of muscle inferior to the dorsal mucosa and near epiglottis

32

Where does the inferior longitudinal muscle insert/originate?

-Superior to genioglossus and hyoglossus

33

Where does the transverse muscle insert/originate?

-Lateral to lingual septum and lateral tongue

34

Where does the vertical muscle insert/originate?

-Anterior tongue

35

What innervates all the intrinsic tongue muscles?

CN XII Hypoglossal

36

What is the function of the genioglossus?

Protrusion of the tongue

37

What is the function of the hyoglossus?

Depresses the tongue

38

What is the function of the styloglossus?

Elevate and retract the tongue

39

What is the function of the palatoglossus?

Elevate the root of tongue

40

What is the function of the superior longitudinal muscle?

Shortens tongue

41

What is the function of the inferior longitudinal muscle?

Shorten tongue

42

What is the function of the transverse muscle?

Narrow tongue

43

What is the function of the vertical muscle?

Widen and flatten tongue

44

A lesion of what nerve causes a patient to "lick your wounds" paralysis of the tongue on one side?

CN XII Hypoglossus

45

What to you find on both sides of the palatine tonsils?

-Palatoglossal arch
-Palatopharyngeal arch

46

What are the three foramen found on the hard palate?

-Incisive foramen
-Greater palatine foramen
-Lesser palatine foramen

47

What nerve exits the incisive foramen?

-Nasopalatine

48

What nerve exits the greater palatine foramen?

Greater palatine nerve

49

What nerve exits the lesser palatine foramen?

Lesser palatine nerve

50

What are the nasopalatine, greater palatine, and lesser palatine nerves a branch of?

-The maxillary branch of the Trigeminal nerve

51

What are the four muscles of the soft palate?

-Tensor veli palatini
-Levator veli palatini
-Uvular muscle
-Palatoglossus

52

What innervates the tensor veli palatini muscle?

CN V3

53

What innervates the levator veli palatini muscle?

CN X

54

What does the tensor veli palatini muscle wrap around?

Pterygoid Hamulus

55

What is another muscle that acts on the palate?

Palatopharyngeus

56

What is the function of the palatoglossus muscle?

Pulls tongue superiorly

57

What is the function of the palatopharyngeus?

Elevate pharynx and larynx

58

What palate acting muscles does CN X (Vagus) innervate?

-Uvular
-Palatoglossus
-Palatopharyngeus
-Levator veli palatini

59

What are the three pharyngeal constrictor muscles?

-Superior pharyngeal constrictor
-Middle pharyngeal constrictor
-Inferior pharyngeal constrictor

60

What nerve innervates the pharyngeal constrictor muscles?

Vagus nerve CN X

61

What are the three elevator muscles of the pharynx?

-Salpingopharyngeus
-Palatopharyngeus
-Stylpharyngeus

62

Which of the three elevator muscles is innervated by CN X?

Salpingopharyngeus
-Palatopharyngeus

63

Which of the three elevator muscles is innervated by CN IX?

Stylpharyngeus

64

What is responsible for sensory innervation of the Nasopharynx?

V2

65

What is responsible for sensory innervation of the oropharynx?

CN IX

66

What is responsible for sensory innervation of the laryngopharynx?

CN X

67

What are the four arteries that supply the pharynx?

-Ascending pharyngeal
-Superior Thyroid
-Inferior Thyroid
-Some branches of facial and maxillary arteries

68

What are four functions of the larynx?

-Prevent material from entering airway
-Phonation
-Breathing
-Cough reflex

69

What occurs in the cough reflex?

Temporary closure of vocal folds to build up air pressure

70

What occurs in breathing?

Abduction of vocal cords, glottis opens, airway opens

71

What occurs in phonation?

-Tensing, abducting, adducting vocal folds causes air to vibrate during exhalation

72

What do four features do you find in the larynx?

-Thyroid cartilage
-Cricoid cartilage
-Epiglottis
-Arytenoid cartilage

73

What three ligaments do you find in the larynx?

-Thyrohyoid
-Cricothyroid
-Vocal

74

What innervates the larynx?

CN X

75

What innervates the cricothyroideus muscle?

External laryngeal of the superior laryngeal of the vagus nerve

76

What does the internal laryngeal nerve innervate?

Sensory above vocal cords

77

What does the recurrent laryngeal nerve motor innervate?

-Laryngeal muscles

78

What sensory innervation does the laryngeal nerve do?

-Sensory below vocal cords

79

What are the laryngeal muscles that the recurrent laryngeal nerve innervates?

-Thyroarytenoid
-lateral cricoarytenoid
-Transverse arytenoid
-Oblique arytenoid (X-shape)

80

T/F
The cricoarytenoid joint is a synovial joint

True

81

What does the cricoarytenoid joint do?

Abduct and Adduct vocal ligaments

82

What muscle pulls thyroid cartilage anteriorly increasing tension in vocal ligaments?

Cricothyroideus

83

Which tongue muscle is not innervated by CN XII?

Palatoglossus CN X

84

Which palate muscle is not innervated by CN X

Tensor veli palatini CN V3

85

Which pharyngeal muscle is not innervated by CN X?

Stylopharyngeus CN IX

86

If you had a lesion on the mandibular branch of the trigeminal nerve what functions would you lose?

-Tongue sensation on anterior 2/3