H & N Muscles and N inn

Question 1

Tensor veli palatini

Answer 1

CN V3
A: tenses soft palate

Question 2

Levator veli palatini m.

Answer 2

CN X
A: elevate soft palate

Question 3

Muscularis uvulae m.

Answer 3

CN X

Question 4

Paleteoglosseus m.

Answer 4

Inn: CN X

Question 5

Superior, middle + inferior constrictor

Answer 5

Inn: CN X

Question 6

Salpingopharyngeaus m.

Answer 6

CN X

Question 7

Palatopharyngeus m.

Answer 7

CN X

Question 8

Stylopharygeus m.

Answer 8

CN IX

Question 9

Cricothyroid m.

Answer 9

Inn: external laryngeal n.
A: tenses vocal cord

Question 10

Posterior cricoarytenoid

Answer 10

Inn: recurrent laryngeal n.
A: open glottis

Question 11

Arytenoid

Answer 11

Inn: recurrent laryngeal n
A: close glottis

Question 12

Lateral cricoarytenoid

Answer 12

Inn: recurrent laryngeal
A: close glottis

Question 13

Thryoarytenoid

Answer 13

Inn: recurrent laryngeal n.
A: shorten and relax vocal cords

Question 14

Vocalis

Answer 14

Inn: recurrent laryngeal n.
A: helps phonation

Question 15

Sphenoid sinus drainage

Answer 15

Drains superior to superior nasal concha by the spheno-ethmoidal recess

Question 16

Superior meatus drainage

Answer 16

Posterior ethmoidal air cells

Question 17

Middle meatus drainage

Answer 17

Semilunar hiatus- drains 3 structures
1) frontal sinus (superiorly via infundibulum)
2) anterior ethmoidal air cells (superiorly via infundibulum)
3) maxillary sinus (inferior)

Ethmoidal bulla- drains middle ethmoidal air cells

Question 18

Inferior nasal concha drainage

Answer 18

Opening to nasal lacrimal duct into the inferior meatus

Question 19

list all muscles of mastication

Answer 19

temporalis, masseter, lateral pterygoid m., medial pterygoid m.
Inn: V3

Question 20

Temporalis m.

Answer 20

Inn: V3
A: elevate jaw

Question 21

Masseter m.

Answer 21

Inn: V3
A: elevate jaw

Question 22

Lateral pterygoid m.

Answer 22

Inn: V3
A: protracts mandible

Question 23

Medial ptertygoid m.

Answer 23

Inn: V3
A: protracts mandible

Question 24

What is contained in foramen rotundum

Answer 24

V2

Question 25

What goes through sphenopalatine foramen

Answer 25

Nasopalatine n.

Question 26

What goes through pterygoid canal

Answer 26

N. to pterygoid canal

Question 27

What goes through palatovaginal canal

Answer 27

pharyngeal n.

Question 28

What goes through palatine canal

Answer 28

palatine n

Question 29

What goes through inferior orbital foramen?

Answer 29

Inferior orbital n.

Question 30

Partoid Gland Pathway

Answer 30

glossopharyngeal (CN IX) --> tympanic n. --> tympanic plexus --> lesser petrosal n. --> optic ganglion (foramen ovale) --> runs with auriculotemporal n. --> parotid gland

Question 31

Submandibular gland and sublingual gland

Answer 31

Facial n. (CN VII) --> chorda tympani --> TM --> chorda tympani runs with lingual n. (V3)--> submandibular ganglion --> sublingual gland, submandibular gland

Question 32

Lingual n. action

Answer 32

From V3, provides general sensory inn to anterior 2/3 of the tongue

Question 33

Chorda tympani n. action

Answer 33

From VII, provides taste to anterior 2/3 of the tongue

Question 34

Genioglossus m.

Answer 34

Inn: CN XII A: depresses tongue

Question 35

Hyoglossus m.

Answer 35

Inn: CN XII A: depresses tongue

Question 36

Styloglossus m.

Answer 36

Inn: CN XII A: curls (elevates) sides of tongue

Question 37

Palatoglossus m.

Answer 37

Inn: CN X A: elevates posterior tongue, depresses soft palate

Question 38

Geniohyoid m.

Answer 38

Inn: n. to geniohyoid (off CN XII) A: elevates hyoid

Question 39

Mylohyoid m.

Answer 39

Inn: N to mylohyoid (V3) A: elevated hyoid

Question 40

Upper teeth inn

Answer 40

CN V2

Question 41

Lower teeth inn

Answer 41

CN V3

Question 42

Gag reflex

Answer 42

Afferent: CN IX Efferent: CN X

Question 43

Cough reflex

Answer 43

Afferent: internal laryngeal n. (watch dog) Efferent: CN X, phrenic, spinal nn.

Question 44

Motor inn of the tongue

Answer 44

CN XII

Question 45

Lesion on tongue

Answer 45

Deviates toward lesion

Question 46

Lesion on uvulae

Answer 46

Deviates away from lesion

Question 47

greater palatine n. (what it runs with and what it inn)

Answer 47

Off V2 Inn: hard palate Runs with greater palatine a.

Question 48

Lesser palatine n. (what it runs with and what it inn)

Answer 48

Off V2 Inn: soft palate Runs with lesser palatine a.

Question 49

Nasopalatine n. (what it runs with and what it inn)

Answer 49

Off V2 Inn: pizza burn zone runs with sphenopalatine a. off of maxillary a.

Question 50

incisive canal contents

Answer 50

greater palatine a. nasopalatine n. (off of V2)

Question 51

What inn TMJ?

Answer 51

CN V3

Question 52

Posterior 2/3 tongue inn

Answer 52

CN IX for general sensation and taste