Chapter 9 (Temporal & Oral Regions of Head)

Question 1

(Temporomandibular Joint - TMJ)
Is formed between the ____ ____ ____ ____ and the ____ ____ ____ ____ ____ ____ with an ____ ____ subdividing the articular cavity into upper and lower joint cavities.

Answer 1

head (condyle) of the mandible; squamous portion of the temporal bone; articular disc

Question 2

(Temporomandibular Joint - TMJ)

Performs ____ ____ in the lower joint cavity and _____ ____ in the upper joint cavity.

Answer 2

hinge movements; gliding movements

Question 3

(The Oral Cavity)
Consists of the ____ ____ between the lips and cheeks externally and the teeth and gingivae internally, as well as the ____ ____ ____ internal to the teeth and gingivae.

Answer 3

oral vestibule; oral cavity proper

Question 4

(The Oral Cavity)

The boundary between the oral cavity and the oropharynx is formed by the ____ ____.

Answer 4

palatoglossal folds

Question 5

(The Oral Cavity)

The tongue has ____ and ____ parts with different innervations separated by a V-shaped groove, the ____ ____.

Answer 5

oral and oropharyngeal; sulcus terminalis

Question 6

(The Tongue)
The anterior 2/3 of the tongue receives general sensory (GSA) innervation from the linguinal branch of the ____ ____ and taste (SVA) innervation from the ____ _____ nerve.

Answer 6

mandibular nerve (V3); chorda tympani nerve (VII)

Question 7

(The Tongue)

The posterior 1/3 receives both general (GVA) adn taste (SVA) sensation from the _____ nerve.

Answer 7

glossopharyngeal nerve (IX)

Question 8

(The Tongue)

The _____ nerve contributes slightly at the root.

Answer 8

vagus nerve (X)

Question 9

(The Tongue)

On the ____ ____ of the tongue, the _____ ____ ____ provide rapid absorption of drugs (e.g., nitroglycerin)

Answer 9

interior surface; deep lingual veins

Question 10

(The Tongue)
The ____ ____ on each side of the base of the _____ _____ contains the opening of the _____ _____ form the submandibular gland.

Answer 10

sublingual papilla (sublingual caruncle); lingual frenulum; submandibular duct

Question 11

(The Tongue)

The muscles of the tongue include ____ ____ and _____ ____ that change its position.

Answer 11

intrinsic muscles (contained entirely within the tongue); extrinsic muscles (with external attachments)

Question 12

(The Tongue)

All are innervated by the _____ nerve

Answer 12

hypoglossal nerve (XII)

Question 13

(The Tongue)

The _____ muscle protrudes the tongue.

Answer 13

genioglossus

Question 14

(The Tongue)

In a _____ _____ ____, the protruded tongue deviates ____ the side of the lesion.

Answer 14

hypoglossal nerve lesion; toward

Question 15

(The Tongue)
In a _____ ____ ____, the relaxed genioglossus muscles allow the tongue to fall posteriorly, obstructing the airway, with danger of _____.

Answer 15

supine unconscious person; suffocation

Question 16

The roof of the oral cavity is formed by the ____

Answer 16

palate

Question 17

(The Palate)

An anterior 2/3, the ____ palate, formed by the:

Answer 17

hard palate; the palatine process of the. maxillae and horizontal plates of the palatine bones.

Question 18

(The Palate)

A posterior 1/3, the ___ palate, containing the…

Answer 18

soft palate; palatine aponeurosis and muscles

Question 19

(TMJ)

Elevation (close mouth)

Answer 19

Temporalis, masseter, and medial ptergoid

Question 20

(TMJ)

Depression (open mouth)

Answer 20

Lateral pterygoid, suprahyoid, and infrahyoid muscles

Question 21

(TMJ)

Protrusion (protrude chin)

Answer 21

Lateral pterygoid, massetter, and medial pterygoid

Question 22

(TMJ)

Retrusion (retrude chin)

Answer 22

Temporalis and masseter

Question 23

(TMJ)

Lateral movements

Answer 23

Temporalis of the same side, pterygoid of opposite side, and massseter