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Clinical Anatomy > Food Animal Exam Lecture 1: Clinical anatomy of head and neck > Flashcards

Food Animal Exam Lecture 1: Clinical anatomy of head and neck Flashcards

1
Q

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

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2
Q

All injections need to be given in front of __

A

Shoulder

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3
Q

Never injection more than __cc into one site

A

10cc

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4
Q

What are the 3 landmarks for proper injection sites

A
  1. Scapula
  2. Jugular groove
  3. Spinal column
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5
Q

What is the cornual block used for

A

Dehorning

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6
Q

In cattle <1yr , where do you inject for a cornual block

A

Halfway between lateral canthus of eye and horn base, just underneath the frontal ridge

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7
Q

What is typically injected in cornual block and what is the technique

A

5-10mL lidocaine, fanned along the underside of the frontal ridge

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8
Q

In cattle >1yr what must you do for the cornual block

A

Need two injections
1. All cattle get injection between lateral canthus and horn base
2. Cattle >1yr get an additional ring block on caudal side of horn

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9
Q

How long does it take cornual block to take effect

A

3-5 minutes

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10
Q

What are the injections needed for a cornual block on a goat

A
  1. Injection between lateral canthus and base of horn (same as cattle)
  2. Additional block to get infratrochlear nerve- inject between medial canthus and medial horn base
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11
Q

What additional nerve needs to be blocked when performing a cornual block on goats of all ages

A

Infratrochlear nerve

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12
Q

Must be careful with toxicity from cornual block in goats, what is the safe dosage and what should the solution be diluted to

A

Dose: 5mg/kg
Dilute to 1% lidocaine

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13
Q

What is the purpose of the auriculopalpebral block

A

Block motor to eyelids and orbicularis oculi muscle to allow for easier exam of exam or proptosis of globe

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14
Q

T or F: auriculopalpebral is both a sensory and motor nerve block

A

False, just motor NOT SENSORY

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15
Q

Where is the auriculopalpebral block injected

A

Half way between lateral canthus and base of ear on the zyogmatic arch

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16
Q

What does the supraorbital nerve block, block

A

Sensory and motor to upper eyelid, does not get orbicularis oculi muscle

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17
Q

T or F: supraorbital nerve block is used to block orbicularis oculi

A

False

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18
Q

What is the supraorbital used for

A

Tarsorrhagy, lavage system, eyelid lac

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19
Q

How do you perform the 4 point block

A
  1. Protect globe with finger
  2. Inject through conjunctiva
  3. Deposit lidocaine behind globe within muscular cone
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20
Q

What block must you do before the 4 point block

A

Auriculopalpebral

21
Q

What are 4 point blocks typically used for

A

Enucleations

22
Q

What nerve block gets everything in the eye area

A

Peterson eye block

23
Q

Describe how to perform the Peterson eye block

A
  1. Using a 18 gauge, 6 in needle place between notch of mandible and maxilla
  2. Advance to bone 3-4 inch and back out 1/4 inch
  3. Aspirate and check for CSF
  4. Redirect caudodorsal
  5. Advance to bone
24
Q

What cranial nerves does the Peterson block get

A

CN III, IV, V, VI as they exit the foremen orbitondorum

25
Q

what nerve block allows you to protrude the eye out of socket

A

Peterson block

26
Q

what are the common sites for occular squamous cell carcinoma

A
  1. Lateral limbus
  2. Eyelids
  3. Medial canthus
  4. Third eyelid
27
Q

Where does the lesion start in pink eye lesions

A

Center of the cornea

28
Q

What usually causes pink eye lesions

A

M. Bovis

29
Q

What is tarsorrhaphy

A

Temporary closure of the eyelid. Pull 3rd eyelid/nictating membrane over eye

30
Q

The caudal auricular vein is commonly used for what

A

IV fluid therapy

31
Q

The caudal auricular artery is commonly used for ___

A

Arterial blood gas analysis

32
Q

In cattle, the base of the ear is the injection site for what medication

A

Excede

33
Q

What is the torus linguae

A

Normal structure on the tongue that pushes the food bolus onto the hard palate and squeezes the liquids into the esophagus

34
Q

What is the diastema

A

Gap between premolars and canines where you can safely put hand to examine mouth

35
Q

The esophagus and jugular vein both sit in the ___

A

Jugular groove

36
Q

What side is the esophagus usually on

A

Left

37
Q

The esophagus lies ___ to the jugular vein

A

Medio-dorsal

38
Q

What block is this

A

cornual block used for dehorning

39
Q

What block is this and when is it needed

A

Additional ring block for cornual block when dehorning cattle >1yr old

40
Q

What nerve blocks are these and when are they used

A

cornual blocks on goats
1. One block the same as cattle between lateral canthus and horn base
2. Additional block to get infratrochlear nerve between medial canthus and medial horn base

41
Q

What block is this

A

auriculopalpebral

42
Q

What block is this

A

supraorbital

43
Q

What block is this

A

4 point block

44
Q

What block is this

A

retrobulbar block

45
Q

What block is this

A

Peterson

46
Q

What block is this

A

Peterson

47
Q

What is wrong here

A

pink eye lesion

48
Q

What structure is the black arrow pointing to and is it normal or abnormal

A

torus linguae- normal structure in the mouth

Clinical Anatomy (16 decks)

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