Pregnancy Detection Review Quiz

1. What are techniques for pregnancy detection?
   

   Ultrasound
   Rectal palpation
   PMSG laboratory test
   all of the above
   none of the above
   
2. Recognition of pregnancy occurs:
   

   at 48 hr post conception (Early Pregnancy Factor)
   when the embryo enters the uterine body at 5-6 days post ovulation
   when the conceptus secretes an antiluteolytic substance at 12-16 days post conception
   all of the above
   none of the above
   
3. The embryo moves rapidly from uterine horn to uterine horn through the uterine body from days 6 to 16 post conception. During this time:
   

   the conceptus shape remains irregular.
   the uterus is pulled into the abdomen
   you can visually detect the sex of the conceptus
   the conceptus secretes and antiluteolytic substance that prevents the release of PGF2a
   
4. What are the problems with rectal palpation?
   

   possible injury to the mare
   failure to detect twins before 35 days
   failure to detect pending embryonic death
   all of the above
   none of the above
   
5. Determining the sex of an equine fetus:
   

   can be done at 35 days
   is done by ultrasound imaging of a 62-64 day fetus
   requires a urine sample from the mare
   depends on identifying the scrotum of the male fetus