Teat & MG SX

Question 1

2 parts of udder

Answer 1

1. papillary
2. glandular

Question 2

gland cistern (sinus) or lactiferous sinus

Answer 2

pars glandularis

Question 3

teat cistern

Answer 3

pars papillaris

Question 4

teat canal or streak canal

Answer 4

ductus papillaris

Question 5

annular ring

Answer 5

cisternal ringfold

Question 6

for sx in ___________ recumbency, sedation may be an option

Answer 6

lateral

Question 7

xylazine dose for cattle

Answer 7

0.02-0.5 mg/kg

Question 8

withdrawal period for milk and meat w/ Rompum IM

Answer 8

1. milk - 24 hr
2. meat - 6 d

Question 9

detomidine cattle dose

Answer 9

10-40 ug/kg (safe in late gestation)

Question 10

medesedan IV, IM milkd withdrawal period

Answer 10

1. milk - 12 hr
2. meat - 2 days

Question 11

T/F: in local anesth technique, avoid drugs w/ adrenaline/E

Answer 11

T - coz of high incidence of tissue sloughing and necrosis (ring blocks, IVRA)

Question 12

Ex of NSAIDs

Answer 12

flunixin, ketoprofen, meloxicam, carprofen, tolfenamic acid

Question 13

primary technique when mucosa is already affected

Answer 13

teat sinus infusion

Question 14

teat sinus infusion indi

Answer 14

• teat polyps removal
• sphincters sx

Question 15

• local anesth (10-20 mL)
• slow and full thickness

Answer 15

ring block

Question 16

• instilling small amounts of local anesth 0.5-1 cm apart
• full thickness line block

Answer 16

inverted c block

Question 17

• local anesth (5-7 mL)
• tourniquet is required

Answer 17

IVRA

Question 18

it has risk of edema and hemorrhages

Answer 18

line block

Question 19

dipping or splashing of local anesth

Answer 19

topical application (20 min contact time)

Question 20

analgesia of the cranial udder and teats for standing sx

Answer 20

paravertebral anesth

Question 21

anesth of caudal abdominal wall up to umbilicus causing temporary dysfunction of HL

Answer 21

lumbosacral epidural

Question 22

pre-op considerations and procedures

Answer 22

1. mastitis control
2. antibiotic admin (parenteral and intramammary)
3. analgesia
4. culture and sensitivity testing
5. examine teats

Question 23

T/F: teat canal obstruction is emergency

Answer 23

T - treated ASAP

Question 24

T/F: teat canal obstruction and lacerations are emergency

Answer 24

T - treated ASAP

Question 25

2 types of teat laceration

Answer 25

1. perforating 2. non-perforating

Question 26

T/F: teat lacerations are emergency

Answer 26

T - can use hydrotherapy, ice therapy, lavage to help

Question 27

T/F: perforating lacerations have a better prognosis

Answer 27

F - poor (if left for more than 4 hr; extremely poor after 12 hr)

Question 28

laceration that uses teat bandage application

Answer 28

non-perforating

Question 29

in non-perforating laceration, what suture pattern: 1. mucosal layer & submucosal layer = ___________ 2. skin = ____________

Answer 29

1. continuous (4-5 polyglac; round) 2. SI or horizontal mattress (2-3 prolene; cutting)

Question 30

sutures necessary to remove dead space

Answer 30

walking sutures

Question 31

suture pattern where skin and muscular layers are sutured using vertical mattress sutures w/c do not perforate the mucosa

Answer 31

mattress technique

Question 32

T/F: in high-lactating cows, a self-retaining plastic teat cannula w/ cover is placed to prevent antibiotics flowing out w/ milk

Answer 32

T

Question 33

T/F: repair of teat fistula is performed before drying off perforated teat wound

Answer 33

F - after

Question 34

in teat fistula repair, a __________ block is performed, and a milk cannula is placed thru the ___________ into the sinus, an ________ incision is made around fistula

Answer 34

1. ring 2. streak canal 3. elliptical

Question 35

_________ intention healing on 10th post-op day, after all sutures have been removed

Answer 35

primary

Question 36

after dissection, vertical mattress and SI sutures are placed on fresh wounds to ____________

Answer 36

appose

Question 37

in gen post-op management of lacerations, antibiotics is continued for _________

Answer 37

2 d

Question 38

T/F: streak canal does not close immediately after cannula is removed

Answer 38

T

Question 39

teat obstruction due to congenital defect or chronic inflam

Answer 39

basal abnormalities (poor prognosis)

Question 40

in basal abnormalities, use _______ teat probe and spiral to clear obstruction to break the annular membrane

Answer 40

Hudson's

Question 41

teat obstruction due to chronic inflam, milk calculi (teat peas), neoplasia (bovine papillomatosis), congenital obstruction

Answer 41

mid teat abnorm (use teat dilator or papillotome and forceps)

Question 42

teat obstruction due to fibrosis and stenosis of teat canal from chronic inflam

Answer 42

apical abnorm (use teat knife)

Question 43

(1) due to trauma to teat end that leads to (2)_______

Answer 43

1. tight teat sphincter 2. mastitis

Question 44

absence of teat orifice

Answer 44

atresia

Question 45

due to scar tissue formation, secondary to hematoma

Answer 45

teat spider or teat lumen granuloma (use alligator forceps or teat curette

Question 46

teat amputation pre-op

Answer 46

drain milk + intramammary antibacterial therapy

Question 47

teat ampu anesth

Answer 47

local or lumbosacral epidural

Question 48

teat is amputated by _______ of age

Answer 48

3 months of age

Question 49

T/F: teat amputation can cause interference in milking and increases risk of mastitis

Answer 49

T

Question 50

MG ampu indi

Answer 50

severe life-threatening mastitis (common in sheep and goats)

Question 51

MG ampu anesth

Answer 51

epidural analgesia or gen

Question 52

MG ampu position

Answer 52

dorsal or dorso-lateral recum

Question 53

in MG ampu, dissect the glandular tissue along w/ ________ liga and __________ liga

Answer 53

suspensory (medially) and lateral (laterally)

Question 54

most impt. vessel that enters the udder on the craniolateral aspect after passing thru the inguinal canal

Answer 54

large external pudendal a.