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RUSVM LASx PRACTICE QUESTIONS > Exam 2: Ruminant Male Reproductive Tract > Flashcards

Exam 2: Ruminant Male Reproductive Tract Flashcards

1
Q

If this nerve is damaged, the animal will not have a normal

ejaculatory response

A

Dorsal nerve

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2
Q

This artery supplies the corpus cavernosum of the penis

A

Deep artery of the penis

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3
Q

Muscular contraction of these 2 muscles,

and increased blood supply to the corpus cavernosum via the deep artery of the penis

result in erection

A

Bulbospongiosus

Ischiocavernosus

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4
Q

For penile examination in the bull,

what 2 meds can be used for sedation?

A

Xylazine

Acepromazine

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5
Q

This nerve block

blocks the supply to the retractor penis muscle

allowing for examination of the penis

A

Pudendal nerve block

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6
Q

What is the easiest way to exam the bull’s

reproductive system?

A

View a mating attempt

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7
Q

At what age should castration be performed

in bulls?

A

1 - 3 months old

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8
Q

What are the main points supporting the argument

for older castration in bulls?

A

Claim better growth WITHOUT implants

Claim that Callicrate banders

are the most humane way to castrate an animal

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9
Q

What 4 pieces of equipment can be used to

castrate a bull?

A

Newberry Knife

Elastrator

Callicrate

Burdizzo

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10
Q

What is this tool used in the castration of ruminants?

A

Newberry Knife

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11
Q

Name the castrating tool described by the following:

Firm band that stretches over neck of scrotum (testes distal)

and constricts until avascular necrosis of scrotum.

More commonly used in rams than in bulls.

A

Elastrator

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12
Q

What is this tool used in castration?

A

Elastrator

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13
Q

What is the biggest risk of using an Elastrator?

A

Leaves a large piece of avascular tissue

=

Risk of TETANUS

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14
Q

Name the castrating tool described by the following:

Tool used in older bulls for castration.

Pulls and clamps so tight, goes past the point of discomfort.

A

Callicrate

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15
Q

Name this castration tool

A

Callicrate

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16
Q

Name the castrating tool described by the following:

Clamps and crushes the ductus deferens and

vascular supply.

Must remember to stagger the clamp on opposite sides

or will have necrosis of whole scrotum

A

Burdizzo

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17
Q

What is this castration tool?

A

Burdizzo

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18
Q

Describe the cause and etiology of

ulcers of the preputial orifice

A

hair clipped too short

urine accumulates

urease-producing organisms produce ammonia

Ulceration, secondary infection

19
Q

This type of ulcer occurs in

overweight rams that are confined and lay down a lot.

The ulcer forms from laying the prepuce against the ventral

abdomen- basically a bedsore.

It is seen dorsal to the preputial orifice.

A

Decubital ulcer

20
Q

How are decubital ulcers treated?

A

SURGICAL EXCISION!

Cannot be treated conservatively!

21
Q

Preputial prolapse is mostly seen in this type of cattle

due to their long, pendulous prepuces.

A

Bos Indicus

22
Q

T/F:

Preputial prolapse is seen more commonly in dairy breeds

A

FALSE

Beef breeds- Angus

23
Q

How is preputial prolapse treated?

A

Hold it against the body with a bandage

+

Exercise and hydrotherapy

24
Q

Inability to EXTEND the penis is known as

A

Phimosis

25
Q

Inability to RETRACT the penis is known as

A

Paraphimosis

26
Q

A ring of inelastic tissue near the tip of the prepuce

that prevents retraction of the penis

A

Cicatrix

27
Q

How is stenosis of the penis

(phimosis, paraphimosis)

treated?

A

SURGERY

Make longitudinal incision

and suture transversely.

NOT a circumferential incision- risk of cicatrix

28
Q

Preputial avulsion/ penile laceration

is only seen in __________ bulls,

typically after return from a lay-off period

A

AI (artificial insemination bulls)

29
Q

Preputial avulsion/ penile laceration

is treated via prompt _______

A

surgery- suture tear together

30
Q

What is going on here?

A

Persistent Frenulum

31
Q

T/F:

Persistent frenulum is an inherited condition

A

TRUE

32
Q

Spiral deviation of the penis is caused by the

____________ slipping to the side

A

Apical ligament

33
Q

Ventral deviation of the penis is known as

A

rainbow penis

34
Q

How is ventral deviation of the penis

distinguised from erection failure?

A

Erection failure is characterized by a FLOPPY FLACCID penis.

Ventral deviation can still be hard.

35
Q

Penile hematoma is caused by the

rupture of the ____________

A

tunica albuginea

36
Q

The tunica albuginea always ruptures

___________, sometimes dorsally,

but NEVER ___________

A

The tunica albuginea always ruptures

dorsolaterally sometimes dorsally,

but NEVER VENTRAL

37
Q

What prevents the tunica albuginea from rupturing

ventrally?

A

Retractor penis muscle

38
Q

Vesiculitis (inflammation of the seminal vesicles)

has biphasic onset.

What types of bulls are affected by this condition?

A

Young bulls

Older Mature bulls

39
Q

What is the difference between

vesiculitis in a young bull and in

an older, mature bull?

A

Young bulls- often cure spontaneously

Older bulls- need surgery- Vesiculectomy

40
Q

How is vesiculitis diagnosed?

A

Leukospermia

Rectal palpation

U/S

41
Q

What are the methods of creating Teaser Bulls?

A

Vasectomy/Epididectomy

Penile Translocation

Preputial pouch

Anchoring sigmoid flexure

Pexy of retractor penis muscles

42
Q

This procedure to create a teaser bull

involves moving the penis

so that it exits out the side of its flank

A

penis translocation

43
Q

Teaser bulls are usually only useful for

about ______ years. After this, they become

frustrated, aggressive, or just stop working (decreased libido)

A

2 years

RUSVM LASx PRACTICE QUESTIONS (24 decks)

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