exam 3 lecture questions

Question 1

dog frontal sinus

Answer 1

between the orbit at the level of the zygomatic process of the frontal bone

Question 2

what branch of trigeminal nerve supplies the upper incisors in dog

Answer 2

maxillary - through infraorbital and then go through alveolar branch

Question 3

how many permanent premolars are in each side of the upper arcade of the dog

Answer 3

4

Question 4

T/F the dog has a large maxillary sinus

Answer 4

false - maxillary recess, wide connection to nasal cavity

Question 5

what is a polled heifer

Answer 5

young female cow w no horns

Question 6

what forms the ridge caudal to ribs and along mid rib curve

Answer 6

internal abdominal oblique

heave line is more ventral created by EAO

Question 7

bony prominence at dorsal cranial end of brachium

Answer 7

greater tubercle cranial part

Question 8

what 2 bones make up the cannon bone in the ruminant

Answer 8

mc 3 and 4

Question 9

what is the origin of the muscles that extend the carpus and digits

Answer 9

lateral epicondyle of humerus

Question 10

what nerve innervates the muscles that extend the digit

Answer 10

radial

Question 11

in the dog the radial nerve inn the skin of most of the dorsal surface of the manus (T/F)

Answer 11

true - except 5th digit in dog is innervated by ulnar n

Question 12

foramen orbitorotundum

Answer 12

combined orbital fissure + round foramen/alar canal
behind pterygoid crest and ventral to optic canal
oculomotor, trochlear, opthalamic, maxillary, abducent

visible through zygomatic process of frontal bone, coronoid process and zygomatic arch

Question 13

small ruminant teeth erupt how many months before cattle

Answer 13

6 mo - all teeth are permanent at 2 yrs

almost all deciduous teeth present at birth

Question 14

dogs teeth are all permanent by

Answer 14

6 months

Question 15

horse teeth are all permanent by

Answer 15

5 years