Sample MCQ's Flashcards
An immature Oocyte such as that shown opposite
A.can be collected by ovum pick up
B. is haploid
C. Is surrounded by cumulus cells
D. Is ready for fertilisation
E. all of the above
E. All of the above
If you flushed a super ovulated donor 7 days after AI & recovered only non-fertilized oocytes from the uterus would you?
A. Freeze them for later use
B. Suspect that AI had been carried out incorrectly
C. Suspect that ovulation had not taken place, probable to incorrect prostaglandin
D. Slaughter the animal as she was infertile
E. All of the above
B. Suspect that AI had not been carried out correctly
The device shown opposite is usually used for?
A. Non-surgical embryo recovery
B. Embryo pick up
C. Recovering mature oocytes from a live cow
D. Recovering immature oocytes from the live cow
E. Pregnancy diagnosis
D. Recovering immature oocytes from the live cow.
Referring to the graph above, injecting prostaglandin at position 4 will?
A. Have no effect, the animal is undergoing luteolysis
B. Have no effect the corpus luteum is not responsive
C. Ovulate the first wave of dominant follicle
D. Cause corpus luteum regression & new wave emergence
E. Cause follicular atresia
A. Have no effect, the animal is undergoing luteolysis.
Referring to the graph above, injecting prostaglandin at position 2 will?
A. Ovulate the first wave of follicle
B. Cause corpus luteum regression
C. Cause a transient rise in FSH
D. Lead to the emergence of a new follicular wave
E. All of the above
E. All of the above
Referring to the graph above, injecting prostaglandin at position 1 will?
A. Have no effect, the animal is undergoing luteolysis
B. Have no effect the corpus luteum is not reposnsive
C. Ovulate the first wave if the dominant follicle
D. Cause the corpus luteum regression & new wave emergence
E. Cause follicular atresia
B. Have no effects the corpus luteum is not responsive
Insertion of a PRID device at position 2 for 7 days will?
A. Bring about the emergence of a new follicular wave
B. Bring the cow into oestrus witihn 2 days of its removal
C. Have no effect
D. Cause a cystic follicle
E. All of the above
C.Have no effect
In specimen G opposite, 3 refers to?
A. Umbilical cord
B. Caruncle
C. Placentome
D. Amniotic fluid
E. Non-pregnant uterine horn
E. Non-pregnant uterine horn
The volume of semen you would expect to recover from a fertile ram in the breeding system is?
A. 1-2ml
B. 8-10ml
C. 250-300ml
A. 1-2ml
Which of the following are prostaglandins?
A. Estrumate
B. CIDR
C. MGA
D. PRID
E. None of the above
A. Estrumate
Which of the following are progestins?
A. MGA
B. CIDR
C. PRID
D. Regumate
E. All of the above
E. All of the above
Which of the following are a GnRH product?
A. MGA
B. Estrumate
C. Receptal
D. Regumate
E. None of these
C. Receptal
The cow from which the ovaries were removed?
A. Probably ovulated in the last 5 days.
B. Would undergo corpus luteum regression in response to an injection of prostaglandin.
C. Had blood progesterone concentration >1ng/ml
D. Was unlikely to ovulate in the next 3 days
E. All of the above
B. Would undergo corpus luteum regression in response to an injection of prostaglandin.
Specimen C is used for? (Folufaopihav)
A. Synchronization of oestrus in sheep
B. Superovulation in pigs
C. Cause regression of the CL Superovulation in cattle
D. Superovulation in cattle
E. All of the above
D. Superovulation in cattle
In order to use specimen C ( Folufaopihav - superovulator for cattle), you would?
A. Give 3 injections over 4 days due to the long half life.
B. Give 4 injections over 8 days due to short half life.
C. Combine treatment with an injection of GnRH.
D. Begin treatment at mid luteal phase of the cycle
C. Combine treatment with an injection of GnRh
Prostaglandins are used in the oestrus synchronisation protocols to?
A. Cause regression of the CL.
B. To prevent oestrus & ovulation.
C. To terminate follicular wave.
D. To trigger ovulation.
E. All of the above
B. To prevent oestrus & ovulation.
GnRH is used in oestrus synchronisation protocols to?
A. Cause regression of the CL.
B. To prevent oestrus & ovulation.
C. to terminate follicular wave.
D. To trigger ovulation
D. To trigger ovulation.
PMSG is also known as?
A. Porcine chorionic gonadotrophin.
B. Gonadotrophin releasing hormone.
C. Luteinizing hormone receptal.
D. Receptal.
E. None of the above
E. None of the above
PMSG is pregnant mare serum gonadotrophin.
The age of a foetus ( stage of pregnancy) can be estimated by?
A. Measurement of the crown rump length
B. Measurement of the femur
C. Measurement of the length of digits
A. Measurement of the crown rump length
Prostaglandins are used in oestrus synchronisation protocols to?
A. Cause regression of the CL.
B. To terminate follicular wave.
C. To trigger ovulation.
D. To prevent oestrus and ovulation.
E. All of the above.
A. Cause a regression of the CL.
Prostaglandin…
A. Does not work on animals without a CL ( prepubertal or anoestrous)
B. Does not work within a short time from previous estrous.
C. Causes a decline in circulating progesterone concentrations.
D. All of the above
E. None of the above.
D. All of the above
In which species is oestrus synchronisation manipulated by weaning?
A. Sheep
B. Cattle
C. Horses
D. Pigs
D. pigs
The embryo shown opposite is?
A. Is a day 7 blastocyst.
B. Is suitable for embryo trf to a synchronised recipient
C. Is suitable for cryopreservation
D. Contains an inner cell mass & trophectoderm
E. All of the above
E. All of the above
Using an ultrasound image such as the above
A. Fluid filled features appear black
B. It is possible to distinguish between the CL & the ovarian stroma
C. One can puncture antral follicles on the ovary surface
D. All of the above
D. All of the above
The rete testis is located within the mediastinum
A. True
B. False
A. True
Specimen D ( looks like a T shape)
A. Contains Progesterone
B. Is applied for aprrox 8 days
C. Is used in conjunction with a prostaglandin injection
D. Will prevent ovulation of a dominant follicle
E. All of the above
E. All of the above
Specimen E ( Box with x2 viles of meds think it says PMSG)
A. can be used for superovulation of cattle
B. Requires a single injection
C. Is used in conjunction with a prostaglandin injection
D. Has a ling half-life
E. All of the above
E. All of the above
Which of the following are aids to heat detection in cattle
A. Chin ball harness
B. Tail paint
C. Pedometer
D. Kamar mount detector
E. All of the above
E. All of the above
If doing AI insemination in a cow where would u deposit the semen?
Position
1
2
3
4
any position it does not mater
B. Position 2
If doing embryo trf in a cow you would deposit the embryo at?
Positions
1
2
3
4
3
In specimen F, label 1 refers to?
C. Allantochorion
In specimen G opposite, 3 refers to ?
E. Non pregnant uterine horn
Referring to the graph, injecting prostaglandin at position 2 & 3 will?
D. Cause corpus luteum regression & new wave emergence
Insertion of a PRID device at position 2 for 7 days will?
A. Bring about the emergence of a new follicular wave.
B. Bring the cow into oestrus within about 2 days of its removal
C. Have no effect
D. Cause a cystic follicle
E. All of the above
C. Have no effect
Insertion of a PRID device at position 3 for 7 days will?
A. Bring about the emergence of a new follicular wave.
B. Bring the cow into oestrus within about 2 days of its removal
C. Have no effect
D. Cause a cystic follicle
E. All of the above
B. Bring the cow into oestrus within about 2 days of its removal
Injecting prostaglandin at position 1 will?
B. have no effect the corpus luteum is not responsive
An immature oocyte can be which of the following?
Can be collected by ovum pick up
Is haploid
Is surrounded by cumulus cells
Is ready for fertilisation
All of the above
All of the Above - correct
Can be collected by ovum pick up
Is haploid
Is surrounded by cumulus cells
Is ready for fertilisation
If you flushed a superovulated donor 7 days after AI & recovered only non fertilised oocytes from the uterus you would?
A. freeze for later use
B. suspect that AI had been carried out incorrectly
C. suspect that ovulation had not taken place, probable due to incorrect prostaglandin
D. slaughter the animal as she was infertile
E. All of the above
B. Suspect that AI had not been carried out correctly
