Head

Question 1

What makes up the skull?

Answer 1

the bones of the cranium and the bones of the face including mandible

Question 2

What is the calvaria?

Answer 2

the roof of the cranial cavity

Question 3

How does the calvaria develop?

Answer 3

intrmembranous development

Question 4

Where are the middle ear and inner ear situated?

Answer 4

within the temporal bone

Question 5

What subdivides the nasal cavity?

Answer 5

the dorsal and ventral conchae

Question 6

What are the joints of the calvaria?

Answer 6

suture joints

Question 7

What is the mandibular symphysis?

Answer 7

fibrocartilage, unites mandible

Question 8

What is the temporomandibular joint?

Answer 8

synovial joint with meniscus

Question 9

What joint is responsible for the yes motion?

Answer 9

atlanto-occipital synovial joint

Question 10

What joint is responsible for the no motion?

Answer 10

atlanto-axial synovial joint with dens

Question 11

What are the 2 paranasal sinuses?

Answer 11

frontal sinus and maxillary recess

Question 12

What is the function of the hyoid apparatus?

Answer 12

muscle attachment for movement of tongue and larynx

Question 13

What 2 muscles anchor the hyoid apparatus?

Answer 13

geniohyoideus and sternohyoideus

Question 14

What is the vestibule of the oral cavity?

Answer 14

the space outside of the teeth and behind the lips and cheeks

Question 15

What is the dental formula for the dog?

Answer 15

3/3 1/1 4/4 2/3 = 42

Question 16

What is the dental formula for the cat?

Answer 16

3/3 1/1 3/2 1/1 = 30

Question 17

What are the 3 papillae with taste buds?

Answer 17

fungiform, vallate, foliate

Question 18

What are the 2 mechanical papillae?

Answer 18

filliform and conical (cat has spines)

Question 19

What muscle protracts the tongue?

Answer 19

genioglossus

Question 20

What 2 muscles retract the tongue?

Answer 20

hyoglossus and styloglossus

Question 21

What is the lyssa of the tongue?

Answer 21

cylindrical fibrous tissue enveloping fat and muscle on the ventral apex

Question 22

What are the 5 salivary glands?

Answer 22

parotid, zygomatic, mandibular, sublingual, buccal (cat)

Question 23

How much of the esophagus is striated in dogs and cats?

Answer 23

dog - entire

cat - cranial 2/3

Question 24

What is the mobile cartilage of the larynx?

Answer 24

arytenoid

Question 25

What are the wall cartilages of the larynx?

Answer 25

epiglottis, thyroid, cricoid

Question 26

What is the glottis?

Answer 26

the vocal folds and cleft at the opening of the trachea (cat has vocal ridge)

Question 27

What are the lymph nodes of the head?

Answer 27

mandibular, parotid, medial/lateral retropharyngeal

Question 28

What are tonsils?

Answer 28

lymphatic tissue in mucosa

Question 29

What are the 4 tonsils?

Answer 29

palatine tonsil, lingual tonsil, pharyngeal tonsil, tonsil of soft palate

Question 30

Which nerve innervates the skeletal muscles of the larynx?

Answer 30

vagus nerve

Question 31

Which muscles close the jaw?

Answer 31

temporal, masseter, medial/lateral pterygoid

Question 32

What muscle opens the jaw?

Answer 32

digastricus

Question 33

What produces tears?

Answer 33

lacrimal gland, gland of 3rd eyelid, diffuse glands

Question 34

What is the order of tear drainage?

Answer 34

lacrimal puncta, lacrimal ducts, lacrimal sac, nasolacrimal duct

Question 35

What does the internal carotid artery supply?

Answer 35

brain via an arterial circle

Question 36

What does the external carotid artery supply?

Answer 36

the head except the brain

Question 37

In the cat what artery supplies the brain?

Answer 37

ascending pharyngeal (no internal carotid)

Question 38

Where is the carotid sinus and what is its function?

Answer 38

origin of internal carotid artery (occipital in cats)

baroreceptors regulate blood pressure

Question 39

What is the carotid body?

Answer 39

chemoreceptors in the wall near the carotid sinus