IBD Biology (Unit 12 : Human Physiology, Health & Reproduction II) Quiz on Reproduction : The Placenta As An Endcrine Gland, created by cloud.berry on 29/09/2013.
The placenta is also ___, initially producing an additional ___ known as ___ ( ___ ).
Answer
an endocrine gland | sex hormone | human chorionic gonadotrophin | HCG
an endocrine gland | hormone | human chorionic gonadotrophin | HGC
an exocrine gland | fluid | human chorionic gonadotrophin | HCG
an endocrine gland | respiratory gas | human embryonic gonadotrophin | HEG
Question 2
Question
___ appears in the ___ from about ___ after ___; ____ antibodies are used to detect its presence in urine in pregnancy-testing kits.
Answer
HCG | urine | 7 days | conception | monoclonal
FSH | urine | 7 months | conception | maternal
HCG | blood | 7 days | conception | clonal
LH | urine | 7 days | fertilisation | monoclonal
Question 3
Question
HCG is initially secreted by the cells of the ___, but later it comes entirely form the ___ and its role is to maintain the ___ as ___ ( secreting ___ & ___ ) for the first __ weeks of pregnancy.
Answer
blastocyst | placenta | corpus luteum | an endocrine gland | progesterone | oestrogen | 16
placenta | blastocyst | corpus luteum | an exocrine gland | progesterone | oestrogen | 6
When the ___ eventually breaks down the ___ itself secretes ___ as without the maintenance of hormone levels, conditions favourable to a ___ are not maintained in the ___ and a ___ results.
Answer
corpus luteum | placenta | progesterone & oestrogen | fetus | uterus | spontaneous abortion
corpus luteum | placenta | progesterone & oestrogen | fetus | oviduct | spontaneous abortion