Food Animal - Head and Neck Flashcards
what is the beef quality assurance program?
a national program
that raises consumer confidence through
offering proper management techniques and a
commitment to quality within every segment
of the beef industry
where are the proper injection sites on a cow? where do you not inject?
what block is used for dehorning?
cornual block
what age is a ONLY cornual block used on in cattle?
Less than 1 year
where is the cornual block done in cattle?
half way between lateral canthus of eye and horn base
just underneath frontal ridge
what block is this?
Cornual block
what block is this?
Cornual block
Once the needle is inserted into the proper location for a Cornual block in cattle what should be done?
5-10ml lidocaine/side fanned along underside of frontal ridge
what should be done in a cattle greater than 1 year receiving a Cornual block?
additional ring block on caudal side of horn on animal
how long does it take for the Cornual block to take full effect in cattle?
3-5 minutes
what species are cornual blocks done on?
cows and goats
when doing a cornual block on goats what needs to be blocked in addition to the cornual block?
block infratrochlear nerve
how do you block the infratrochlear nerve in goats?
needle midway between medical canthus and medial horn base
deposit in a line
what is a auriculopalpebral block used for?
easier exam of eye or proptosis of globe
what does the auriculopalpebral block block? motor or sensory?
motor to eyelids and orbicularis oculi muscle
NOT SENSORY
what blocks are being done in for this goat prior to dehorning?
Cornual and infratrochlear block
what block is this?
Auriculopalpebral
where is the auriculopalpebral block done?
half way between lateral canthus and base of ear on zygomatic arch
Once the needle is inserted in a auriculopalpebral block what should be done?
inject 5-7mls in a fanning motion
what does the supraorbital block block?
sensory and motor to upper eyelid
what does the supraorbital block not block?
orbicularis oculi muscle
what is the supraorbital block used for?
inserting tarsorrhaphy, lavage system, eyelid lac, etc.
what block is this?
Supraorbital
where is the 4 point block injected?
through conjunctiva
behind globe w/in muscular cone
what must be done when doing the 4 point block?
protect globe w/ finger
what block is this?
4 point block
which is easier 4 point block or peterson block?
4 point
what block is this?
retrobulbar block
what block is this?
Peterson eye block
what must be done when performing a Petersen eye block?
aspirate to check for CSF
Steps for Peterson Eye block
- place in notch
- advance to bone
- aspirate - check for CSF
- deposit 10-15ml
- redirect caudodorsal
- advance to bone
- deposit 5-10ml
what CN are blocked in a peterson eye block?
blocks CN 3,4,5,6 as exit foramen orbitondorum
what block is done first before a peterson eye block or 4 point block?
auriculopalpebral block
what are the common sites of a occular squamous cell carcinoma?
latereal limbus
eye lids
medial canthus
third eyelide
what is this?
occular squamous cell carcinoma
what is this?
pink eye
where do pink eye lesions start?
center of cornea
what is this?
tarsorrhaphy
what is tarsorrhapy?
temporary closing the eyelid with suture
what blocks is required for tarsorrhaphy?
auriculopalpebral block and local anesthesia of eyelids
what is enucleation?
removal of the eye
what is the caudal auricular vein and artery used for?
vein - IV fluid thearpy
artery - arterial blood gas analysis
where is the caudal auricular vein and artery?
base of ear
what is this arrow pointing at?
Torus linguae
Label the lines
red - caudal auricular artery
purple - caudal auricular vein
what does the torus linguae do?
pushes food bolus onto hard palate to squeeze liquids into esophagus
where is Excede injected? what do you look out for?
base of ear
don’t want to deposit in artery and veins
what is the diastema?
gap between premolars and canines
what is the red space?
Diastema
what is the diastema useful for?
safely put hand into mouth of bovid
what is in the jugular groove of cows?
esophagus and jugular vein
where is the esophagus in relation to the jugular vein in the jugular grooce?
left side
medio-dorsal to jugular vein
what are the lymph nodes and salivary glands in a cow?
parotid lymph node
parotid salivary gland
mandibular/submandibular lymph node
mandibular/submandibular salivary gland
what is dentition important for?
physical exam for disease diagnosis
pre-purchase exam
BSE regulations
what are the dental formulas for cow, sheep, and goats?
