Equine Head Regional Anaesthesia
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Equine Head Regional Anaesthesia

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Questions and Answers

Which nerve branch should be blocked if you want to anesthetize the premolars and molars of a horse?

  • Supraorbital branch
  • Infraorbital branch
  • Mandibular branch
  • Maxillary branch (correct)

    • What is the location of the maxillary foramen in relation to the horse's eye?

  • Inside the horse's eye
  • Behind the horse's eye
  • Above the horse's eye
  • Beneath the horse's eye (correct)

    • How can the proximal site of the mandibular foramen be determined?

  • By measuring the distance between the incisors
  • By examining the occlusal surface of the teeth
  • By drawing a cross on the side of the horse's face (correct)
  • By palpating the mental foramen

    • Which nerve branch enters the mandibular foramen and comes out at the mental foramen?

    <p>Mandibular branch</p> Signup and view all the answers

    Where is the infraorbital foramen located?

    <p>Beneath the horse's eye</p> Signup and view all the answers

    What is the purpose of blocking the maxillary nerve at the maxillary foramen?

    <p>To block the premolars and molars</p> Signup and view all the answers

    What is the method for entering the back of the horse's eye through the supraorbital fossa?

    <p>Using a straight spinal needle</p> Signup and view all the answers

    What is the potential problem with pushing through an area that might have neoplasia or infection?

    <p>It could cause cellular debris to move to the back of the eye</p> Signup and view all the answers

    Which nerve is responsible for sensory innervation of the periorbital region in horses?

    <p>Opthalmic nerve</p> Signup and view all the answers

    Which nerve block is performed to desensitize the ciliary body and inner part of the eye in horses?

    <p>Retrobulbar nerve block</p> Signup and view all the answers

    Which nerve block is performed to desensitize the skin over the zygomatic bone in horses?

    <p>Zygomatic nerve block</p> Signup and view all the answers

    Which nerve block is performed to desensitize the area adjacent to the lateral canthus of the eye in horses?

    <p>Lacrimal nerve block</p> Signup and view all the answers

    Which nerve block is performed to desensitize the medial campus in horses?

    <p>Infratrochlear nerve block</p> Signup and view all the answers

    Which nerve block is performed to desensitize the supraorbital region in horses?

    <p>Supraorbital nerve block</p> Signup and view all the answers

    Which nerve block is performed by curving a spinal needle around the back of the eye in horses?

    <p>Retrobulbar nerve block</p> Signup and view all the answers

    Which nerve block is performed to desensitize the periorbital region in horses?

    <p>Supraorbital nerve block</p> Signup and view all the answers

    Which nerve block is performed to desensitize the skin over the zygomatic bone in horses?

    <p>Zygomatic nerve block</p> Signup and view all the answers

    Which nerve block is performed to desensitize the area adjacent to the lateral canthus of the eye in horses?

    <p>Lacrimal nerve block</p> Signup and view all the answers

    Which nerve block is performed to desensitize the ciliary body and inner part of the eye in horses?

    <p>Retrobulbar nerve block</p> Signup and view all the answers

    Which nerve block is performed by curving a spinal needle around the back of the eye in horses?

    <p>Retrobulbar nerve block</p> Signup and view all the answers

    Which nerve block is performed to desensitize the inside of the eye and the motor function as well in horses?

    <p>Retrobulbar nerve block</p> Signup and view all the answers

    Which nerve block is performed to desensitize the frontal nerve in horses?

    <p>Supraorbital nerve block</p> Signup and view all the answers

    Which nerve block is performed to desensitize the infraorbital region in horses?

    <p>Maxillary nerve block</p> Signup and view all the answers

    What is the purpose of blocking the mental nerve at the mental foramen in horses?

    <p>To desensitize the medial campus</p> Signup and view all the answers

    What is the potential problem with pushing through an area that might have neoplasia or infection?

    <p>Moving cellular debris to the back of the eye</p> Signup and view all the answers

    Which nerve block is performed by entering through the supraorbital fossa and using a straight spinal needle to reach the back of the horse's eye?

    <p>Supraorbital nerve block</p> Signup and view all the answers

    Which nerve branch should be blocked if you want to anesthetize the premolars and molars of a horse?

    <p>Maxillary nerve branch</p> Signup and view all the answers

    What is the location of the maxillary foramen in relation to the horse's eye?

    <p>Just beneath the horse's eye</p> Signup and view all the answers

    Which nerve block is performed to desensitize the skin over the zygomatic bone in horses?

    <p>Supraorbital nerve block</p> Signup and view all the answers

    Which nerve block is performed to desensitize the ciliary body and inner part of the eye in horses?

    <p>Maxillary nerve block</p> Signup and view all the answers

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