Question 1
Question
In the northern hemisphere, when is the normal breeding season of the mare?
Answer
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March to August
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August to November
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They breed year-round
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November to March
Question 2
Question
How does increased day length affect the hormonal pathway of estrus in the mare?
Answer
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It stimulates the pineal gland to produce less melatonin which acts on the anterior pituitary to produce FSH
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It stimulates the pineal gland to produce more melatonin which acts on the hypothalamus to produce GnRH
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It stimulates the pineal gland to produce less melatonin which acts on the hypothalamus to produce GnRH
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It stimulates the pineal gland to produce more melatonin which acts on the anterior pituitary to produce FSH
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It stimulates the pineal gland to produce less melatonin which acts on the anterior pituitary to produce LH
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It stimulates the pineal gland to produce more melatonin which acts on the anterior pituitary to produce LH
Question 3
Question
How long is the oestrus cycle in the mare?
Answer
-
21 days
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14 days
-
28 days
-
35 days
Question 4
Question
How long is a mare in the oestrus phase of her cycle?
Answer
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5-7 days
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7-14 days
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2-3 days
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1 day
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7-9 days
Question 5
Question
Which of the following would NOT manipulate the oestrus cycle of a mare?
Question 6
Question
A mare has not been cycling properly and it exhibiting stallion-like behavior. Her inhibin levels are over 120 and her AMH levels are over 15. On ultrasound, you find her ovaries have a honeycomb like appearance. What do you diagnose the mare with?
Question 7
Question
When grading endometriosis with the Kenney biopsy scale, which grade do you expect the histopathology to show inflammation, fibrosis and reversible changes?
Answer
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Category 1
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Category 2A
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Category 2B
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Category 3
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Category 4
Question 8
Question
Which of the following is a notifiable disease in horses?
Question 9
Question
A clitoral swab is used to test for what diseases?
Question 10
Question
Clitoral Swabs are used on which part of the clitoris?
Answer
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Fossa
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Sinus
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Both fossa and sinus
Question 11
Question
What notifiable disease has venereal transmission and is spread by Trypanosoma equiperdum?
Question 12
Question
A caslicks procedure is done to
Answer
-
correct any abnormal vulval conformations
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correct any abnormal perineum conformations
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correct any abnormal clitoral conformations
Question 13
Question
When using an ultrasound, at what part of the mare's oestrus cycle does her uterus look firm, have a high tone and is a muscular tube?
Answer
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Anoestrus
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Dioestrus
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Oestrus
Question 14
Question
Which horse breed must always be bred using natural cover?
Answer
-
Thoroughbreds
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Ponies
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Cobs
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Arabs
Question 15
Question
Which is FALSE regarding foal heat breeding?
Answer
-
It occurs in the first oestrus after foaling (approx 5-10 days after)
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It usually has higher conception rates than breeding during a mare's normal cycle
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It will bring next years foaling date forward
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The mare can short cycle off foal heat
Question 16
Question
When is the ideal timing of insemination when using frozen semen in horses?
Answer
-
48 hours before ovulation
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24 hours before ovulation
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12 hours before ovulation
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24 hours after ovulation
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12 hours after ovulation
Question 17
Question
What structure attaches the epididymis and testes to the scrotum?
Answer
-
spermatic cord
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gubernaculum
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mesorchium
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suspensory ligament
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ischiocavernous muscle
Question 18
Question
When is a stallion sexually mature?
Answer
-
6 months
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10-12 months
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12-15 months
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14-18 months
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22-24 months
Question 19
Question
In the stallion, where is spermatozoa stored?
Answer
-
cranial epididymis
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prostate
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ampulla
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bulbourethral gland
Question 20
Question
What attaches the penis at the root?
Answer
-
suspensory ligament
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ischiocavernous muscle
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corpus spongiosum
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gubernaculum
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mesorchium
Question 21
Question
A "cut proud" cryptorchid refers to
Answer
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a unilaterally retained testcile in the inguinal canal
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an incomplete castration where usually the epidymal tissue remains
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bilaterally retained testicles found at the caudal pole of the kidney
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an incomplete castration where usually part of the testicular tissue remains
Question 22
Question
What is the most common type of castration in the horse?
Question 23
Question
What is the average gestation length in a mare pregnancy?
Answer
-
340 days
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300 days
-
350 days
-
275 days
-
360 days
-
260 days
Question 24
Question
What type of placenta does a mare have?
Answer
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Diffuse epitheliochorial
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DIffuse endotheliochorial
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Cotyledonary epitheliochorial
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Cotyledonary endotheliochorial
Question 25
Question
When does implantation of the conceptus occur in a mare pregnancy post-conception?
Question 26
Question
What is FALSE regarding the hormonal control of pregnancy in the mare?
Answer
-
eCG is produced from endometrial cups
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eCG levels persist until 120-150d through gestation
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when the mobile conceptus implants, it promotes a secondary ovulation from the mare
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foetal oestrone sulphate increases in foetal compromise and prepartum
Question 27
Question
What stimulates parturition in the horse?
Answer
-
foetal cortisol
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maternal cortisol
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maternal prostaglandins
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foetal prostaglandins