Anatomy of Speech

Question 1

what is another name for swallowing?

Answer 1

deglutition

Question 2

what is another name for chewing?

Answer 2

mastication

Question 3

what gives the sign of malnutrition that is sunken cheeks?

Answer 3

loss of the buccal fat pad

Question 4

what muscles open the mouth?

Answer 4

lateral pterygoid

Question 5

what muscles close the mouth?

Answer 5

medial pterygoid
temporalis
masseter

Question 6

what muscle acts as a sphincter around the mouth?

Answer 6

orbicularis oris

Question 7

what muscle assists in aligning the food bolus between the dentition?

Answer 7

the buccinator

Question 8

what are the two groups of muscles of the tongue?

Answer 8

intrinsic

extrinsic

Question 9

what do the intrinsic muscles of the tongue do?

Answer 9

change the shape of the tongue

Question 10

what do the extrinsic muscles of the tongue do?

Answer 10

control the movement of the tongue in the oral cavity

Question 11

what type of muscle are all muscles of the tongue?

Answer 11

skeletal

Question 12

what are the four extrinsic muscles of the tongue?

Answer 12

palatoglossus
styloglossus
genioglossus
hyoglossus

Question 13

what is the innervation of the extrinsic muscles of the tongue?

Answer 13

CN XII

palatoglossus = CN X

Question 14

what do the muscles of the soft palate work to do?

Answer 14

move and tighten the fibrous palatine aponeurosis

Question 15

what is the midline process of the posterior soft palate called?

Answer 15

the uvula

Question 16

what happens to the soft palate when you swallow?

Answer 16

elevates and tenses

Question 17

what nerve supplies the muscles of the soft palate and which is the exception?

Answer 17

CN X

tensor veli palatini = CN V3

Question 18

what are the five skeletal muscles of the soft palate?

Answer 18

palatoglossus
palatopharyngeus
musculus uvulae 
tensor veli palatini
levator veli palatini

Question 19

what does palatoglossus do?

Answer 19

depresses the soft palate

Question 20

what does musculus uvulae do?

Answer 20

shortens the uvula

Question 21

what does palatopharyngeus do?

Answer 21

elevates the pharynx

depresses the soft palate

Question 22

what does tensor veli palatini do?

Answer 22

tenses the palatine aponeurosis

Question 23

what does levator veli palatini do?

Answer 23

lifts the palatine aponeurosis

Question 24

what controls production of saliva?

Answer 24

parasympathetics

Question 25

what are the three pairs of major salivary glands?

Answer 25

parotid submandibular sublingual

Question 26

where does the parotid gland secrete into the oral cavity?

Answer 26

beside the upper 2nd molar

Question 27

where does the submandibular gland secrete into the oral cavity/

Answer 27

via the lingual caruncle

Question 28

where does the sublingual gland secrete into the oral cavity?

Answer 28

via several ducts below the tongue

Question 29

what are the two types of pharyngeal muscles?

Answer 29

outer circular muscle | inner longitudinal muscle

Question 30

what three muscles make up the outer circular layer of the pharynx?

Answer 30

superior constrictor middle inferior

Question 31

what type of muscle are the pharyngeal constrictor muscles?

Answer 31

skeletal

Question 32

what three muscles make up the inner pharyngeal muscles?

Answer 32

stylopharyngeus salpingopharyngeus palatopharyngeus

Question 33

what nerve innervates the pharyngeal muscles and what is the exception?

Answer 33

CN X stylopharyngeus = CN IX

Question 34

what nerve innervates all intrinsic muscles of the larynx?

Answer 34

CN X

Question 35

what is the action of the muscle cricothyroid?

Answer 35

tenses the vocal ligament

Question 36

what is the action of the muscle thyroarytenoid?

Answer 36

relaxes the vocal ligament

Question 37

what is the action of the muscle lateral cricoarytenoid?

Answer 37

adducts the vocal ligaments

Question 38

what is the action of the muscle arytenoid?

Answer 38

adducts the vocal ligaments

Question 39

what is the action of the muscle posterior cricoarytenoid?

Answer 39

abducts the vocal cords