MALE INFERTILITY

Question 1

Denote the number of young produced

Answer 1

fecundity

Question 2

what animal has high fecundity

Answer 2

sows

Question 3

envt cause of male repro failure

Answer 3

nutrition
temp
infexn
hormonal

Question 4

genetic causes of male repro failure

Answer 4

congenital
chromosomal

Question 5

optimum mobility of sperm

Answer 5

90%

Question 6

hen a foreskin can’t be pulled down (retracted) from the tip of the penis

Answer 6

phimosis

Question 7

when the foreskin is retracted but can’t move back up

Answer 7

paraphimosis

Question 8

abnormal tissue, abnormal accumulation of fluid or air in the epididymis

Answer 8

spermatocoele

Question 9

“__” hollow organ

Answer 9

Coele

Question 10

cryptochodism cases are high in __ and __

Answer 10

swine and horse

Question 11

The fertility of a male is related to several phenomena:

Answer 11

1. sperm pdtn
2. viability and fertilizing capacity
3. sexual desire
4. ability to mate

Question 12

wolffian structures

Answer 12

epididymis, VD,ampulla

Question 13

segmental aplasia of the epididymis is commonly associated with a localized accumulation of sperm within an occluded epididymis, which is known as

Answer 13

spermatocoele

Question 14

__ that develops from swelling of the extra-abdominal portion of the gubernaculum draws the testis into the ___

Answer 14

Traction
inguinal canal.

Question 15

enables the testis to descend further into the scrotal position.

Answer 15

Subsequent regression of the gubernaculum

Question 16

The incidence of cryptorchidism is higher in __ and ___ than in other farm animals

Answer 16

swine and horses

Question 17

cryptorchidism is recessive in hosrses

Answer 17

f. dominant

Question 18

The left testis is affected more often than the right testis in large type of horses, whereas either testis may be affected with approximately equal frequencies in ponies

Answer 18

t

Question 19

cause of repro failure in male farms animals:

Disorders of erection and ejaculation, impotence

Answer 19

neural and neuroendocrine

Question 20

cause of repro failure in male farms animals:

Deficiency of LH and/or testosterone

Answer 20

endocrine

Question 21

cause of repro failure in male farms animals:

Cryptorchidism hypoplasia degeneration infection trauma

Answer 21

testicular

Question 22

cause of repro failure in male farms animals:

Disorders of spermatogenesis, sperm defects, sperm motility and antisperm antibodies

Answer 22

seminal

Question 23

cause of repro failure in male farms animals:

Missing segments trauma infection

Answer 23

accessory organs

Question 24

male disorders of bull and ram

Answer 24

testicular degeneration
orchitis

Question 25

male disorders of bulls only

Answer 25

epididymitis
seminal vesiculitis

Question 26

results to Asthenozoospermia

Answer 26

orchitis

Question 27

results to normozoospermia

Answer 27

seminal vesiculitis

Question 28

results to Poor semen characteristics; contaminated by inflam.. matory exudate

Answer 28

epididymitis

Question 29

causes localized or systemic infections; nutrition (vitamin A); vascular lesions; aging; obstructive lesions of the head of epididymis; noxious agents; hormonal factors

Answer 29

test degeneration

Question 30

a congenital defect in which the potential for development of the spermatogenic epithelium is lacking,

Answer 30

testicular hypoplasia

Question 31

Inherited testicular hypoplasia is best known in ____ cattle and is caused by a recessive autosomal gene with incomplete (about 50%) penetrance.

Answer 31

Swedish Highland cattle

Question 32

Testicular hypoplasia also occurs in Bos indicus, particularly the ___ and ___ bulls.

Answer 32

Brahman and Brahman crossbred

Question 33

analysis aiding testicular hypoplasia

Answer 33

karyotype analysis

Question 34

testicular hypoplasia in boars and rams is characterized by small testes and semen with low sperm concentration (ram) or with a high percent.. age of abnormal sperm (boar).

Answer 34

(boar)
(ram)