exam 2: Head and neck vessels

Question 1

Answer 1

Question 2

From the aortic arch, what does it turn into

Answer 2

Brachiocephalic trunk

Question 3

what does the Brachiocephalic trunk divide into

Answer 3

Subclavian aa. and Bicarotid trunk

Question 4

what are ALL of the branches off of the Subclavian aa

Answer 4

• Axillary a.
• Internal thoracic a.
• Vertebral a.
• Superficial cervical a.
• Left Deep cervical a.
  (Right from Costocervical. T)
• Costocervical T

Question 5

what are the branches off of the Subclavian aa that supply the neck and head

Answer 5

• Vertebral a.
• Superficial cervical a.
• Left Deep cervical a.
  (Right from Costocervical. T)

Question 6

what does the Bicarotid trunk divide into that go to supply the head

Answer 6

Right & left Common carotid aa

Question 7

what does the verterbral a. supply

Answer 7

runs in transverse foramina going up to the atlas

supplies the brain

Question 8

what does the superficial cervical supply

Answer 8

located in jugular fossa, supplies caudal base of the neck (like pectoral muscles)

Question 9

what does the Left Deep cervical a.
(Right from Costocervical. T) supply

Answer 9

Deep medial structures of the neck

very close to the nuchal ligament

Question 10

what is the most important artery/arteries that supply the head

Answer 10

Right & left Common carotid aa.

Question 11

Answer 11

Question 12

Answer 12

Question 13

what are the branches off of the Facial a.

Answer 13

• Angularis oculi a.
• Dosal nasal a.
• Lateral nasal a.
• Superior labial a.
• Inferior labial a.
• Sublingual a

Question 14

Angularis oculi a. supplies

Answer 14

medial canthus of the eye, orbicularis oculi m.

Question 15

Dosal nasal a. and Lateral nasal a. supplies

Answer 15

the nose

Question 16

Superior labial a. and Inferior labial a supply the

Answer 16

lips

Question 17

Sublingual a. supplies

Answer 17

floor of the oral cavity

Question 18

what does the linguofacial trunk splint into

Answer 18

Ligual and facial a.

Question 18

what does the common carotid branch into

Answer 18

external and internal carotid aa.

Question 19

what branches off of the superficial temporal m.

Answer 19

transverse facial a
superficial temporal (continuation)
rostral auricular a.

Question 20

Answer 20

Question 21

what do the Caudal auricular a. and Rostral auricular a. supply

Answer 21

the ear

Question 22

what are the 3 arteries we can use in a horse to palpate a pulse

Answer 22

Transverse facial a.
Masseteric a.
Facial a.

Question 23

what is the MAIN blood supply to the brain

Answer 23

internal carotid a.

Question 24

what does the masseteric a. supply

Answer 24

masseter muscle

Question 25

Answer 25

vertebral a. (in transverse foramina)

Question 26

what is she doing

Answer 26

Using facial a. to take the pulse

Question 27

what are they doing

Answer 27

getting a pulse using the transverse facial a.

Question 28

Answer 28

Question 29

what boney process should you follow to find the transverse facial a.

Answer 29

zygomatic arch (artery runs ventral to it)

Question 30

Answer 30

Question 31

Answer 31

Question 32

Answer 32

Question 33

what is the tracheal duct associated with the lymph nodes of a horse

Answer 33

where lymph from the head travels

Question 34

can you palpate the Lateral retropharyngeal Lnn

Answer 34

only if enlarged, very deep LN's

Question 35

Superficial cervical LN's are also known as

Answer 35

pre-scapular

Question 36

what is unique about the mandibular LN's in a horse compared to a dog

Answer 36

Right and Left are joined in the intermandibular space more rostral and medial compared to dogs

Question 37

Answer 37

Question 38

what is affecting blood flow when a horse eats like this

Answer 38

gravity is impacting blood flow in vessels

Question 39

what is unique in the horse regarding the transverse facial, deep facial, and buccal vein

Answer 39

they also have sinuses

Question 39

what does it mean for the transverse facial, deep facial, and buccal veins to have a sinus

Answer 39

expansion/sac in the vein that acts as a "pump" pushing blood towards External jugular

Question 40

Answer 40

Question 41

Answer 41

Question 42

Answer 42

Question 43

Answer 43

Question 44

what muscle is between the external jugular v. and the carotid sheath, only in horses (not in dogs)

Answer 44

omohyoideus m.

Question 45

what is important to remember when getting a blood sample from the external jugular vein

Answer 45

the common carotid is VERY CLOSE BY

Question 46

Answer 46

guttural pouch

Question 47

what are the forceps holding

Answer 47

Forceps is holding the medial membranous wall of guttural pouch

Question 48

bone dividing the guttural pouch in a lateral (LC ) and medial (MC) compartments

Answer 48

Stylohioid bone

Question 49

T/F Longus capitis m. serves as a dorsal/medial border of the guttural pouch

Answer 49

true

Question 50

Answer 50

Question 51

Answer 51

Question 52

which is the medial which is the lateral compartment

Answer 52

green- lateral compartment blue- medial compartment