Ruminant Nerve blocks

Question 1

What are horn glands?

Answer 1

Scent glands behind the horns of small ruminants that can be cauterized if too smelly

Question 2

The trigeminal is generally…

Answer 2

Sensory

Question 3

The facial nerve is generally..

Answer 3

Motor

Question 4

Where does the cornual nerve come from?

Answer 4

Sensory nerve from the orbit from the trigeminal nerve

Question 5

What does the maxillary/ infraorbital nerve supply?

Answer 5

Sensory to upper arcade of teeth and upper lip and muscle

Question 6

What does the mandibular nerve supply?

Answer 6

Sensory to the lower arcade of teeth and lower lip

Question 7

What does the ophthalmic nerve supply?

Answer 7

Manny branches in the orbit and is the origin of the infratrochlear nerve

Question 8

What does the auriculotemporal nerve supply?

Answer 8

It is a branch of the trigeminal and supplies skin of the face and joins with the buccal branches of facial

Question 9

What provides sensory to the horn?

Answer 9

Cornual

Question 10

What does the infratrochlear nerve supply?

Answer 10

Branch of the ophthalmic and is sensory to the horn in small ruminants

Question 11

What does the buccal branches supply?

Answer 11

Facial. Motor to muscles of face

Question 12

What does the auriculopalpebral supply?

Answer 12

Facial. Motor to muscles of the eyelid

Question 13

What does the auriculotemporal supply?

Answer 13

Trigeminal. Sensory to the face

Question 14

Is there a facial artery in small ruminants?

Answer 14

No

Question 15

What artery can bleed alot in an enucleation?

Answer 15

Malar artery

Question 16

What artery encircles the horn base?

Answer 16

Cornual artery

Question 17

What lymph nodes are palpable on small ruminants?

Answer 17

May or may not be able to palpate parotid and mandibular but they are consistent

Question 18

Where does the parotid duct open in the goat and cow?

Answer 18

Goat: Opposite P4/
Cow: Opposite M2/

Question 19

Where does the parotid duct run on the sheep?

Answer 19

Across the masseter like in the dog

Question 20

What is the Peterson orbital ocular block?

Answer 20

Target all nerves that emerge from optic canal and foramen orbitorotundum by entering the orbit from the caudal aspect

Question 21

What are the landmarks used for POOB?

Answer 21

• Angle between zygomatic arch and frontal process of the zygomatic bone
• Advance needle to a 8cm

Question 22

What is the Retrobulbar ocular nerve block?

Answer 22

Enter the orbit cranially and alongside eyeball to block the optic canal and foramen orbitorotundum. Can do 2 points or 4 points

Question 23

Where do you block the cornual nerve in the ox?

Answer 23

just ventral to the temporal line

Question 24

Where do you block the cornual nerve in small ruminants?

Answer 24

Caudal to zygomatic process of frontal bone and dorsomedial margin of the orbit 1/2 way between medial canthus and horn