An Equine Science Knowledge Quiz!

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| By David Marlin
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David Marlin
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  • 1/15 Questions

    During exercise, horses...

    • Breathe only through their nostrils
    • Breathe only through the mouth
    • Breathe through both their mouth and nostrils
    • Switch between mouth and nasal breathing
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About This Quiz

Explore your understanding of equine health and physiology with 'An Equine Science Knowledge Quiz!' Assess your knowledge on topics like gastric ulcers, oxygen usage, calming effects, cooling methods, dietary adjustments, and breathing during activity in horses.

An Equine Science Knowledge Quiz! - Quiz

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  • 2. 

    Horses hold their breath when jumping.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Horses hold their breath when jumping because it helps them stabilize their bodies and maintain balance in the air. By holding their breath, horses can tighten their abdominal muscles, which provides additional support to their back and helps them clear the jump more efficiently. This technique is commonly used by horses to ensure a smooth and controlled jump over obstacles.

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  • 3. 
    Which statement best describes the calming effect of calcium in horses? - ProProfs

    Which statement best describes the calming effect of calcium in horses?

    • There is no rationale and no scientific evidence that calcium has a calming effect in horses

    • Calcium causes excitement in horses

    • There is good evidence to show calcium has a calming effect on horses

    • Calcium only calms horses that are deficient in calcium

    Correct Answer
    A. There is no rationale and no scientific evidence that calcium has a calming effect in horses
    Explanation
    The given answer states that there is no rationale and no scientific evidence to support the claim that calcium has a calming effect in horses. This implies that there is no credible basis or research to suggest that calcium can calm horses.

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  • 4. 
    The maximum capacity to use oxygen (VO2max) is related to middle and long-distance running ability in human athletes. Elite human distance runners have VO2max around 60-100 ml/min/kg. What is the highest value reported for a horse? - ProProfs

    The maximum capacity to use oxygen (VO2max) is related to middle and long-distance running ability in human athletes. Elite human distance runners have VO2max around 60-100 ml/min/kg. What is the highest value reported for a horse?

    • ~100 ml/min/kg

    • ~150 ml/min/kg

    • ~200 ml/min/kg

    • ~300 ml/min/kg

    Correct Answer
    A. ~200 ml/min/kg
    Explanation
    Elite human distance runners have a VO2max ranging from 60-100 ml/min/kg, which is the maximum capacity to use oxygen. The question asks for the highest reported value for a horse. Since the given options range from 100-300 ml/min/kg, the highest value reported for a horse would be ~200 ml/min/kg.

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  • 5. 
    Approximately how much of a live horse's body weight is water? - ProProfs

    Approximately how much of a live horse's body weight is water?

    • 20%

    • 30%

    • 50%

    • 60%

    • 80%

    Correct Answer
    A. 60%
    Explanation
    Approximately 60% of a live horse's body weight is water. This is because water is essential for various bodily functions such as digestion, circulation, temperature regulation, and waste removal. Horses require a significant amount of water to stay hydrated and maintain their overall health and well-being.

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  • 6. 
    Headshaking in horses is often considered to be related to dysfunction of the   - ProProfs

    Headshaking in horses is often considered to be related to dysfunction of the  

    • Phrenic nerve

    • Vagus nerve

    • Optic nerve

    • Trigeminal nerve

    • Olfactory nerve

    Correct Answer
    A. Trigeminal nerve
    Explanation
    Headshaking in horses is often considered to be related to dysfunction of the trigeminal nerve. The trigeminal nerve is responsible for carrying sensory information from the face to the brain. Dysfunction of this nerve can lead to abnormal facial sensations, which may cause the horse to shake its head. Other nerves listed, such as the phrenic nerve, vagus nerve, optic nerve, and olfactory nerve, are not directly involved in facial sensations and therefore are less likely to be related to headshaking.

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  • 7. 

    If you are feeding your horse 10kg of hay a day with a dry matter of 80%, approximately how much haylage with a dry matter of 40% should you feed? [assume they are similar nutritional value in terms of energy, protein, etc on a dry matter basis]

    • 5kg

    • 10kg

    • 15kg

    • 20kg

    Correct Answer
    A. 20kg
    Explanation
    Since the nutritional value of hay and haylage is assumed to be similar on a dry matter basis, we can calculate the amount of haylage needed by comparing the dry matter percentages. The hay has a dry matter of 80%, while the haylage has a dry matter of 40%. To maintain the same amount of dry matter intake, we need to double the amount of haylage. Therefore, if we are feeding 10kg of hay with 80% dry matter, we should feed 20kg of haylage with 40% dry matter.

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  • 8. 
    Horse diets are most likely to be deficient in... - ProProfs

    Horse diets are most likely to be deficient in...

    • Copper

    • Iron

    • Calcium

    • Boron

    • Sodium

    Correct Answer
    A. Sodium
    Explanation
    Horses are herbivores and their natural diet consists mainly of grass and other forage. However, grass and forage are generally low in sodium content. Therefore, it is likely that horse diets may be deficient in sodium. Sodium is an essential mineral that plays a crucial role in maintaining proper nerve and muscle function, as well as regulating fluid balance in the body. Horses may require additional sodium supplementation to meet their dietary needs.

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  • 9. 
    Which equine gait is most efficient? - ProProfs

    Which equine gait is most efficient?

    • Walk

    • Trot

    • Canter

    • Gallop

    Correct Answer
    A. Canter
    Explanation
    The canter is the most efficient equine gait because it allows the horse to cover ground quickly while still maintaining balance and stability. The canter is a three-beat gait where the horse's feet move in a specific sequence, providing a smooth and controlled motion. This gait allows the horse to conserve energy and maintain a steady pace for longer periods compared to the faster gallop. The walk and trot are slower and less efficient gaits compared to the canter.

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  • 10. 
    The best way to cool a hot horse is.. - ProProfs

    The best way to cool a hot horse is..

    • Apply ice packs to the large blood vessels e.g. on the neck and between the legs

    • Sponge lukewarm water over the whole body

    • Cover the horse with towels soaked in cold water

    • Apply ice cold water over the whole body

    • Apply ice cold water focussing on the large hindlimb muscles

    Correct Answer
    A. Apply ice cold water over the whole body
    Explanation
    Applying ice cold water over the whole body is the best way to cool a hot horse because it helps to rapidly lower the horse's body temperature. This method is effective because it covers a larger surface area of the horse's body, allowing for more efficient cooling. The cold water helps to dissipate heat from the horse's skin and promotes evaporation, which aids in cooling. Additionally, applying ice cold water over the whole body helps to prevent overheating and reduce the risk of heat-related complications in the horse.

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  • 11. 
    Approximately how long does it take a horse's hindgut to adjust to a change in forage? - ProProfs

    Approximately how long does it take a horse's hindgut to adjust to a change in forage?

    • 6-12h

    • 24-48h

    • 1-2 weeks

    • 2-4 weeks

    • 1-3 months

    Correct Answer
    A. 2-4 weeks
    Explanation
    The correct answer is 2-4 weeks. When a horse's forage is changed, it takes time for their hindgut, which is responsible for digesting fiber, to adjust to the new diet. It can take up to 2-4 weeks for the microbial population in the hindgut to adapt to the different types of fiber and nutrients present in the new forage. During this adjustment period, it is important to make any dietary changes gradually to avoid digestive upset in the horse.

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  • 12. 
    In horses Omeprazole is most effective for treating...  - ProProfs

    In horses Omeprazole is most effective for treating... 

    • Glandular and Squamous gastric ulcers

    • Glandular gastric ulcers

    • Squamous gastric ulcers

    • Pyloric gastric ulcers

    Correct Answer
    A. Squamous gastric ulcers
    Explanation
    Omeprazole is most effective for treating squamous gastric ulcers in horses. Squamous gastric ulcers are a common type of ulcer that occurs in the upper portion of the horse's stomach. Omeprazole is a proton pump inhibitor that helps reduce the production of stomach acid, which can help alleviate the symptoms and promote healing of the ulcers. It is specifically targeted towards treating squamous gastric ulcers rather than other types of gastric ulcers.

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  • 13. 

    What is the main antioxidant Vitamin lining the horse's airways?

    • Vitamin A

    • Vitamin B

    • Vitamin C

    • Vitamin D

    • Vitamin E

    Correct Answer
    A. Vitamin C
    Explanation
    Vitamin C is the main antioxidant vitamin lining the horse's airways. Antioxidants help protect cells from damage caused by free radicals, which are unstable molecules that can harm cells. In the airways, vitamin C plays a crucial role in neutralizing free radicals and preventing oxidative stress. It helps maintain the health and integrity of the airway tissues, reducing the risk of respiratory issues in horses. Vitamin C also supports the immune system and aids in collagen production, further promoting the overall respiratory health of horses.

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  • 14. 
    Which of the following tissues in the horse's body has the highest water content? - ProProfs

    Which of the following tissues in the horse's body has the highest water content?

    • Lung

    • Bone

    • Brain

    • Kidney

    • Skin

    Correct Answer
    A. Lung
    Explanation
    The lung tissue in a horse's body has the highest water content compared to the other tissues listed. This is because the lungs are responsible for exchanging gases, and to facilitate this process, they need to be moist. The high water content helps to keep the lungs hydrated and allows for efficient gas exchange.

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  • 15. 

    Which of the following have the best evidence for stimulating muscle development in horses when combined with appropriate exercise, sufficient energy intake and adequate protein?

    • Gamma Oryzanol (Rice Bran Oil)

    • Leucine

    • Lysine

    • Spirulina

    • Creatine

    Correct Answer
    A. Leucine
    Explanation
    Leucine has the best evidence for stimulating muscle development in horses when combined with appropriate exercise, sufficient energy intake, and adequate protein. Leucine is an essential amino acid that plays a crucial role in muscle protein synthesis. It activates the mTOR pathway, which is responsible for promoting muscle growth and repair. Studies have shown that leucine supplementation can enhance muscle protein synthesis and improve muscle mass and strength in horses. Therefore, when all the necessary factors are present, leucine is the most effective in stimulating muscle development in horses.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 04, 2018
    Quiz Created by
    David Marlin

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