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GA 2 > LA Head > Flashcards

LA Head Flashcards

1
Q

When a young horse rears back suddenly, what is prone to breaking?

A

Occipitosphenoid suture

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2
Q

What inserts on the occipitosphenoid suture junction?

A

longus capitus m

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3
Q

True or false: The platysma is larger in the horse than the dog

A

False, much smaller platysma in horse

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4
Q

In the horse, what is split by the caninus muscle?

A

Levator nasolabialis m.

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5
Q

What muscle covers the infraorbital foramen?

A

Leavtor labii superioris m.

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6
Q

What nerve is easily damaged on the face of a horse?

A

Facial n (CN VII)

Ex: prolonged lateral recumbency sx, ill fitting halter

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7
Q

What is responsible for the Flehmens reaction?

A

levator labii superioris tendon

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8
Q

Where is the opening of the nasolacrimal duct in an equine? In a donkey?

A

at the mucocutaneous junction, ventromedial aspect of nasal vestibule

Donkey: opening is more dorsal on lateral rim of nasal diverticulum

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9
Q

In the horse, the right and left thyroid glands are joined together by _____________

A

isthmus

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10
Q

What artery is used as a pulse point in horses?

A

Facial a. + Transverse facial a.

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11
Q

What vein can be used for venipuncture in a horse?

A

Transverse facial v.

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12
Q

What muscles of mastication are SMALLER in a horse?

A
  1. Temporal m.
  2. Digastricus m.
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13
Q

What muscles of mastication are LARGER in a horse?

A
  1. Masseter m.
  2. Pterygoid m.
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14
Q

The auditory tube diverticulum has a lateral and medial compartment, separated by ____________

A

Stylohyoid bone

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15
Q

What VANs can be found in the guttoral pouch?

A
  • CN IX
  • CN X
  • CN XI
  • CN XII
  • internal + external carotid a.

(CN 9, 10, 11, 12)

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16
Q

What is guttural typany?

A

inability for air to escape from pharyngeal opening of auditory tube

17
Q

What are the Rostral, Caudal, and Medial borders of Viborg’s triangle?

A

Rostral: caudal border of mandible

Caudal: Tendon of sternocephalicus m.

Medial: Linguofacial vein

18
Q

Why can’t horses breath from their mouth?

A

Retro-velar epiglottis that lies dorsal to the soft palate

** blocks the nasopharynx

19
Q

Where should a gastric tube be placed in a horse?

A

Through nasogastric tube into VENTRAL NASAL MEATUS

20
Q

How do horses increase air intake?

A

Flaring nostrils

21
Q

True or False: The thyroid notch is palpable in a horse

A

True

22
Q

What is different about the hyoid apparatus in a horse + bovine vs a dog?

A
  1. Horse + Bovine have an extra lingual process that attaches to the basihyoid bone to support the long tounge
  2. Stylohyoid bone is huge
23
Q

What are the paranasal sinuses in the horse?

A
  1. Frontal sinus
  2. Maxillary sinus
  3. Sphenopalatine sinus
24
Q

Where is the frontal bone in a horse found?

A

In between the eyes, communicates with dorsal conchal sinus

known as conchofrontal sinus

GA 2 (5 decks)

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