Horse Country Gymkhana IQs

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Equine Dentistry
1) Like humans, and all mammals, horses have how many sets of teeth?
  1. one: milk teeth retained as caps to form permanent teeth
  2. two: deciduous milk teeth and permanent teeth
  3. three: deciduous milk teeth, caps and permanent teeth

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2) The back chewing teeth are called molars and the front biting teeth are called?
  1. premolars
  2. canines
  3. incisors

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3) Wolf teeth erupt from the gum line at 5-6 months, most likely in the upper jaw, and are shed by age 2.5. These are evolutionary vestiges from the?
  1. Eocene period (~55 million years ago)
  2. Mesozoic era (190 million years ago)
  3. Paleozoic era (550 million years ago)

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4) In a normal mouth, a horse's front teeth (incisors)?
  1. top overlap bottom
  2. bottom overlap top
  3. meet directly

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5) The maxilla (upper jaw) is what size compared to the mandible (lower jaw)?
  1. wider
  2. narrower
  3. equal

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6) Parrot mouth, an inherited trait, is a result of which condition?
  1. overgrowth of upper jaw (maxilla)
  2. underextended lower jaw (mandible)
  3. overgrowth of the lower jaw (mandible)

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7) The opposite of parrot mouth is called?
  1. cow mouth (underextended maxilla)
  2. sow mouth (underextended maxilla)
  3. low mouth (underextended maxilla)

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8) A horse's incisors and molars are worn down by the?
  1. saliva in the mouth
  2. action of biting and grinding
  3. naturally occurring viruses

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9) An unworn, permanent incisor has developed its maximum length at?
  1. two years old
  2. three years old
  3. five years old

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10) Unlike humans, an adult horse's permanent incisors and molars?
  1. grow until age 5 then continue to emerge
  2. grow until age 9 then continue to emerge
  3. are strong and able to last a lifetime

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11) The top surface of a horse's molars?
  1. are indented like humans allowing sharp points to form
  2. have a flatter surface but tops overlap bottoms to the outside causing uneven wear to create sharp points
  3. top molars dome and fit into a curve in the bottom molars which allows even wear

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12) The spaces between incisors and premolars, where the bit fits, are called the?
  1. jaws
  2. bars
  3. cheeks

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13) Stallions, geldings (and occasionally but rarely mares) have a single tooth at the front of the bar called?
  1. tusks (also known as canines)
  2. tushes (also known as canines)
  3. wolf teeth (also known as canines)

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14) Which teeth are often floated or cut and buffed or removed because they crowd the tongue, can be banged when removing the bit?
  1. corner incisors
  2. wolf teeth
  3. tushes

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15) At approximately 5, 10, 15 and 20 years, incisors change shape in what order?
  1. round, oval, flattened, triangular
  2. flattened, oval, round, triangular
  3. triangular, oval, round, flattened

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16) The Galvayne groove causes a continual change in the surface shape of incisors, helping to determine approximate age. They appear?
  1. at age 5 and are gone by age 10
  2. at age 7 and are gone by age 16
  3. at age 10 and are gone by age 30

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17) Dental pain on one side of the mouth can cause a horse?
  1. to tilt his muzzle
  2. take a stronger contact on one rein
  3. a and b plus create gait irregularities

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18) A horse who does the following may have sharp points needing dental care?
  1. shakes his head when fitted with a tighter noseband
  2. rears
  3. both a and b

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19) A horse should have his teeth checked by an equine dental specialist, for signs of gum disease and especially to see if any sharp points need to be rasped (floated), how often?
  1. 6-9 months
  2. 12-18 months
  3. never, unless there is bleeding

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20) Foals should be checked for malformations between birth and 3 months, but regular dental care is recommended starting when?
  1. at 1-2 years
  2. at 3-4 years
  3. after 5 years

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