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ASC 410 exam 2 questions & answers 2024/2025 $8.49   Add to cart

Exam (elaborations)

ASC 410 exam 2 questions & answers 2024/2025

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  • Course
  • ASC 410
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  • ASC 410

ASC 410 exam 2 questions & answers 2024/2025 what are the two main reasons for muscle fatigue? - ANSWERSsubstrate depletion and end product accumulation How does end product accumulation occur? - ANSWERSanaerobic metabolism muscles build up lactic acid (lactate and H+) -> blood bicarbo...

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  • September 7, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ASC 410
  • ASC 410
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ASC 410 exam 2 questions & answers
2024/2025

what are the two main reasons for muscle fatigue? - ANSWERSsubstrate depletion and end product
accumulation



How does end product accumulation occur? - ANSWERSanaerobic metabolism

muscles build up lactic acid (lactate and H+) -> blood

bicarbonate acts as a buffer -> carbonic acid

CO2 and water enter the lung

blood pH goes down (metabolic acidosis)

no more H+ to leave muscle

build up in muscle -> no more ATP

fewer fibers recruited



what kind of activity is most likely to have the greatest lactic acid build up? - ANSWERSTB racing



What kind of activity is most likely to deplete substrate? - ANSWERSendurance (slow rate for hours)



Where does glucose come from? - ANSWERSglycogen (liver and muscle), gluconeogenesis, BG



What are strategies for endurance horses so that they do not undergo carbohydrate depletion? -
ANSWERSgo as fast as they can without using carbs - fat

feed them during the event to replenish



what are causes of fatigue? - ANSWERSdehydration (dec blood pressure, dec sweating -heat)

heat accumulation

electrolyte imbalances- alter muscle and cardiac function -thumps

, substrate depletion

end product accumulation



what are 3 important tendons in the equine limb? - ANSWERSDDFT, SDFT (2 bones of insertion), DET (3
bones of insertion)



important ligaments of the front limb - ANSWERSsuspensory (interosseous), extensor branches of
suspensory, sesmoidian (inter-cruciate and distal-2)



important ligaments of the hind limb - ANSWERSpatellar ligaments, plantar ligament



tendons and ligaments are mostly made of what? - ANSWERScollagen fibers in parallel



what are tenocytes? - ANSWERSspecialized elongated fibroblasts, scattered in-between the collagen
fibers; make collagen



Desmitis - ANSWERSinflammation of a ligament



tendinitis - ANSWERSinflammation of a tendon



tenosynovitis - ANSWERSinflammation of a tendon sheath



bowed tendon - ANSWERS



dropped fetlock - ANSWERSdamage to suspensory apparatus



curb - ANSWERS



what are reasons for fiber damage? - ANSWERSrepeated load and gradual degradation, trauma,
laceration, acute overload- stretches and tears

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