Animal Sciences 306
Equine Science
Exam #1
2/22/07
NAME________________________

I. Multiple Choice – Place the letter corresponding to the best answer in the space to the left.
(38 pts.)

1._____Citrate Synthase and HAD activities of horse muscle _____ after birth (Changes in muscle profile) a. increase b. decrease c. stay constant

2._____ Cutting the superior check ligament is one possible treatment for a horse that is/has: a. stifled b. bowed superficial digital flexor tendon c. osselets d. bowed deep digital flexor tendon

3._____ Intra-articular injection of _____ is a common treatment for horses with poor quality synovial fluid. a. iodine b. aspirin c. hyaluronic acid salts d. none of the above

4._____ A lesion commonly found in a horse’s hock, that is due to a subchondral bone cyst and detachment of the overlying cartilage is called: a. osteochondritis dissecans b. carpitis c. osselets d. windpuffs 5._____ The side of the horse’s leg where you would find the digital flexor tendons in the ___________ surface.

a. dorsal. b. palmar c. proximal d. distal

6._____ Hyperkalemic Periodic Paralysis (HYPP) is a genetic disease that affects a horse’s ______. a. sodium pump of the muscle membrane b. potassium pump of the muscle membrane c. calcium-ATPase pump of the sarcoplasmic reticulum d. ability to break the actin-myosin bond

7.___A__ The area of the horse’s hoof that marks the junction of the hoof wall (stratum medium) with the sole is called the: a. white line b. frog c. central sulcus

8.__A___The primary energy system used by