ANSC 3040 quiz 4 Study Guide
Progesterone is required for pregnancy survival. In pregnant cows, ewes, and mres, this
hormone is supplied by - Answer placenta and corpus luteum
non- return to estrus can be used as a sign or indication of pregnancy in all of the following
animals except for
ewe
sow
mare
cow
bitch - Answer bitch
all of the following are true about fetal growth except for
a-hemotrophic supply of nutrients to the fetus by the placenta becomes less important towards
the end of gestation
b-fetal length increases linearly during gestation
c-dams influence fetal growth through the genetic makeup of the fetus and the regulation of
uterine physiology during pregnancy
d-fetal weight increases exponentially during gestation
e-fetal growth is a result of cell proliferation (hyperplasia) and cell growth (hypertrophy) -
Answer hemotrophic supply of nutrients to the fetus by the placenta becomes less important
towards the end of gestation
Which of the following animals has zonary endotheliochorial placenta
woman
bitch
mare
all
none - Answer bitch
what are the two components of the bilaminar embryonic disc - Answer endoderm and
ectoderm
what is the type of placentation in pigs? - Answer diffuse, epitheliochorial placenta
all of the following are required for hatching of the blastocyst except for:
Progesterone is required for pregnancy survival. In pregnant cows, ewes, and mres, this
hormone is supplied by - Answer placenta and corpus luteum
non- return to estrus can be used as a sign or indication of pregnancy in all of the following
animals except for
ewe
sow
mare
cow
bitch - Answer bitch
all of the following are true about fetal growth except for
a-hemotrophic supply of nutrients to the fetus by the placenta becomes less important towards
the end of gestation
b-fetal length increases linearly during gestation
c-dams influence fetal growth through the genetic makeup of the fetus and the regulation of
uterine physiology during pregnancy
d-fetal weight increases exponentially during gestation
e-fetal growth is a result of cell proliferation (hyperplasia) and cell growth (hypertrophy) -
Answer hemotrophic supply of nutrients to the fetus by the placenta becomes less important
towards the end of gestation
Which of the following animals has zonary endotheliochorial placenta
woman
bitch
mare
all
none - Answer bitch
what are the two components of the bilaminar embryonic disc - Answer endoderm and
ectoderm
what is the type of placentation in pigs? - Answer diffuse, epitheliochorial placenta
all of the following are required for hatching of the blastocyst except for:
