Resonance and Articulation

Question 1

The pharyngeal cavity is divided into 3 segments:

Answer 1

Laryngeopharynx
Oropharynx
Nasopharynx

Question 2

Most pharyngeal muscles are innervated by

Answer 2

Cranial Nerve X (Vagus) and Cranial Nerve XI (Spinal Accessory Nerve)

Question 3

Elevates the lateral pharyngeal walls and moves it medially

Answer 3

Salpingopharyngeus (X, XI)

Question 4

Elevates and opens the pharynx

Answer 4

Stylopharyngeus (IX)

Question 5

Constricts pharyngeal diameter, pulls pharyngeal wall forward

Answer 5

Superior Pharyngeal Constrictor (X, XI)

Question 6

Narrows diamater of pharynx

Answer 6

Middle Pharyngeal Constrictor (X, XI)

Question 7

Constricts superior orifice of esophagus

Answer 7

Inferior pharyngeal constrictor/cricopharyngeus (X, XI)

Question 8

Reduces diamater of lower pharynx

Answer 8

Inferior pharyngeal constrictor/thyropharyngeus (X, XII)

Question 9

Pharyngeus Plexus

Answer 9

“X, XII”
Formed by the joining of cranial nerces X, XII
Supplies the upper pharyngeal musculature

Question 10

Embedded within the uvula, shortens velum

Answer 10

Musculus Uvulae (X, XI)

Question 11

Primary elevator of velum

Answer 11

Levator veli palatini (X, XI)

Question 12

Tenses velum, dilates Eustachian tube

Answer 12

Tensor veli palatini (V)

Question 13

Also known as anterior faucial pillar, depresses velum, elevates tongue

Answer 13

Palatoglossus (X, XI)

Question 14

Also known as posterior faucial pillar, narrows pharyngeal cavity, lowers velum, may help elevate the larynx

Answer 14

Palatopharyngeus (X, XI)

Question 15

Elevators of Mandible

Answer 15

Masseter (V)
Temporalis (V)
Medial (internal) pterygoid (V)

Question 16

Depressors of Mandible

Answer 16

Anterior belly of digastric (V)
Posterior belly of digastric (VII)
Lateral (external) pteryyoir (V)
Geniohyoid (XII)
Mylohyoid (V)

Question 17

The tongue muscles are innervated by

Answer 17

Cranial Nerve XII (Hypoglossal)

Question 18

Intrinsic Muscles of the Tongue

Answer 18

Superior longitudinal
Inferior longitudinal
Transverse
Vertical

Question 19

Extrinsic Muscles of the Tongue

Answer 19

Genioglossus
Styloglossus
Hyoglossus
Chondroglossus
Palatoglossus

Question 20

Pulls lower lip out, wrinkles and elevates chin

Answer 20

Mentalis (VII)

Question 21

Most facial muscles are innervated by

Answer 21

Cranial Nerve VII (Facial)

Question 22

Depresses mandible

Answer 22

Platysma (VII)

Question 23

Retracts lips at corners

Answer 23

Risorius (VII)

Question 24

Constricts oropharynx, moved food onto grinding surfaces of molars

Answer 24

Buccinator (VII)

Question 25

Pulls lower lip down and out to dilate orifice

Answer 25

Depressor labii inferioris

Question 26

Helps press lower and upper lips together, depresses corners of mouth

Answer 26

Depressor anguli oris (triangularis) VII

Question 27

Elevates upper lip, aid in lip portrusion

Answer 27

Zygomatic minor (VII)

Question 28

Retracts and elevates angle of mouth

Answer 28

Zygomatic major (VII)

Question 29

Pulls lips together, seals lips, serves as a point of insertion for other muscles, round lips

Answer 29

Obicularis oris inferioris and superioris (VII)

Question 30

Draws corner of mouth upward and medially

Answer 30

Levator anguli oris (VII)

Question 31

Elevates upper lip

Answer 31

Levator labii superioris (VII)

Question 32

Elevates upper lip and ala of the nose, dilates nose

Answer 32

Levator labii superioris alaeque nasi (VII)