Fairfax County 4-H

Senior Test 2000

Answer Key

1. Which horse breed does not originate from Germany?

B. Galiceno

H45, 74

2. The tissues that attach muscles to bone are…?

D. Tendons

H90

3. Muscle fibers are composed of contractile proteins called…?

C. Myofilaments

H99 HIH840-2

4. The paralysis of one or both vocal cords is known as...?

D. Roaring

H105

5. The adult equine heart beats an average of ..... bpm at rest and a maximum of ..... bpm when running.

A. 35, 212-240

H111, 113 HIH830-2

6. Which is not a function of the kidney?

C. Secrete Bile

H119

7. Which is not controlled by the autonomic nervous system?

A. Flehmen Response

H120

8. Which is hormone promotes an increase of protein and fat in the body?

A. Growth Hormone

H127

9. The oily, waxy secretion that protects the hair coat from overwetting is...?

B. Sebum

H129

10. The inflammation of the growth plate in the long bones is known as...?

B. Epiphysitis

H163

11. Which of the blemishes or unsoundnesses are in the correct order going from most serious to least serious?

B. Ringbone, Carpitis, Capped Elbow, Wind Puffs

H158

12. Muscular dystrophy in foals where the muscles become pale, “white muscle disease” can be caused by the deficiency of what mineral?

D. Selenium

H234

13. Excessive phosphorus and a low level of calcium can result in ...?

D. Big Head Disease

H228

14. The equine digestive system converts this plant substance into Vitamin A.

B. Carotene

H238

15. The ... is the primary site of protein digestion in the horse.

C. Small Intestine

H219

16. These parasites are ingested by the horse as eggs, migrate through the liver, then lungs, are coughed up and then swallowed to mature in the small intestine.

C. Ascarids

H630

17. Equine Recurrent Uveitis is...

C. An infection of the eye which eventually results in cataracts and blindness

H521

18. “Shaker Foal Syndrome” causes muscular weakness, tremors, and paralysis; vaccination can prevent this disease more commonly known as...?

A. Botulism

H603

19. Which of the following plants are considered to be poisonous to horses?

C. Red Maple

H310

20. What is the average gestation period of the mare?

D. 335-340 days

H342

21. Equus first originated on what continent one million years ago?

A. North America

H4

22. What was the Quarter Horse named for?

D. Ability to sprint the quarter mile

H23

23. Laminitis does not typically exhibit which symptom?

C. Fever

HIH640-2

24. How many ribs does a horse have?

D. 36

H90

25. What percentage of the horses weight is carried on the front legs?

D. 60-65%

H145

© AC Daugherty

Last Revised June 25, 2002

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