mouth and pharynx anatomy

Question 1

which is most anterior? hard or soft palate?

Answer 1

hard

Question 2

major 3 salivary glands?

Answer 2

parotid
submandibular
sublingual

Question 3

which duct corsses masseter, pierces medially through buccintaor ?

Answer 3

parotid duct

Question 4

where is the submandicular duct?

Answer 4

deep to mucosa of mouth floor. opens on sublingula papillae

Question 5

where is the sublingual glands?

Answer 5

deep to mucosa on floor of mouth (under tongue)

Question 6

what gives parasympathetic innervation to parotid?

Answer 6

CN IX glosoopharyngeal

Question 7

sensory innervation to parotid?

Answer 7

articulotemporal nerve from mandibular branch of trigeminal nerve

Question 8

general sensory to anteriro 2/3rd tongue?

Answer 8

CN V3

Question 9

special sensory to anterior 2/3rd tongue

Answer 9

facial

Question 10

general and special sensory to posterior 1/3rd tongue

Answer 10

CN IX -glossopharyngeal

Question 11

extrinsic tongue muscles?

Answer 11

genioglossus
hypoglossus
styloglossus
palatoglossus

Question 12

course of hypoglossal nerve?

Answer 12

rootlets attach to medulla]passes through hypoglossaal canal in occiptial bone
descend in neck lateral to carotid sheath
supplies most muscles of tongue

Question 13

how do you clinically test the hypoglossal nerve?

Answer 13

ask patient to stick out tongue.

if unilateral damage the tongue tip will point to the damaged side

Question 14

blood supply to tongue

Answer 14

lingual artery

Question 15

what are the 5 pairs of muscle of the soft palate?

Answer 15

right anf left:

levator veli palatini
tensor veli palatini
palatoglossus
musculis uvulae
palatopharyngeus

Question 16

what supplies levator veli palatini

palatoglossus
musculis uvulae
palatopharyngeus

Answer 16

vagus

Question 17

what supplies tensor veli palatini?

Answer 17

CN V3

Question 18

how do you clinically test CN X and CN V3/

Answer 18

ask patient to say ahh.

if unilateral damage uvula will point to good side

Question 19

what nerve innervates the constcrictor muscles of pharynx?

Answer 19

vagus

Question 20

name the longitudinal pharynx muscles?

Answer 20

stylopharyngeus
palatophayrngeus
salpingpharyngeus

Question 21

what do the longitudinal muscles of pharynx do?

Answer 21

elevate pharynx and larynx

Question 22

what innervates the longitudinal muscles of pharynx?

Answer 22

vagus

Question 23

difference between an infected lymph node and malignancy?

Answer 23

infection- swollen sore, soft, smooth, not fixed

cancer-swollen, not sore, hard, irregular, fixed