Changes

choice2="Progesterone"

choice2="Progesterone"

correctchoice="5"

correctchoice="5"

feedback5="'''Correct!''' PGF2α from the endometrium is transported to the ipsilateral ovary through a vascular counter-current exchange mechanism. This ensures a high proportion of PGF2α produced by the uterine glands will be transported directly to the ovary and corpus luteum without dilution in the systemic circulation, thereby causing luteolysis. [[The Ovary - Corpus Luteum Regression- Anatomy & Physiology|WikiVet Article: luteolysis]]."

feedback5="'''Correct!''' PGF2α from the endometrium is transported to the ipsilateral ovary through a vascular counter-current exchange mechanism. This ensures a high proportion of PGF2α produced by the uterine glands will be transported directly to the ovary and corpus luteum without dilution in the systemic circulation, thereby causing luteolysis. [[Corpus Luteum Regression - Anatomy & Physiology|WikiVet Article: luteolysis]]."

feedback3="'''Incorrect.''' In addition to allowing milk let-down and promoting uterine contractions, oxytocin works along with oestrogen to induce endometrial production of prostaglandin F2α resulting in luteolysis. [[Endocrine System - Ovaries - Anatomy & PhysiologyThe Ovary - Corpus Luteum Regression- Anatomy & Physiology|WikiVet Article: luteolysis]]."

feedback3="'''Incorrect.''' In addition to allowing milk let-down and promoting uterine contractions, oxytocin works along with oestrogen to induce endometrial production of prostaglandin F2α resulting in luteolysis. [[Corpus Luteum Regression - Anatomy & Physiology|WikiVet Article: luteolysis]]."

feedback4="'''Incorrect.''' Prolactin acts on mammary secretory epithelial cells to stimulate synthesis of milk proteins. It is released during suckling and in response to the rise in oestrogen and glucocorticoids in parturition. PGF2α from the endometrium is transported to the ipsilateral ovary through a vascular counter-current exchange mechanism. This ensures a high proportion of PGF2α produced by the uterine glands will be transported directly to the ovary and corpus luteum without dilution in the systemic circulation, thereby causing luteolysis. [[Lactation - Endocrine Control - Anatomy & Physiology#Mammogenesis The Ovary - Corpus Luteum Regression- Anatomy & Physiology|WikiVet Article: luteolysis]]."

feedback4="'''Incorrect.''' Prolactin acts on mammary secretory epithelial cells to stimulate synthesis of milk proteins. It is released during suckling and in response to the rise in oestrogen and glucocorticoids in parturition. PGF2α from the endometrium is transported to the ipsilateral ovary through a vascular counter-current exchange mechanism. This ensures a high proportion of PGF2α produced by the uterine glands will be transported directly to the ovary and corpus luteum without dilution in the systemic circulation, thereby causing luteolysis. [[Corpus Luteum Regression - Anatomy & Physiology|WikiVet Article: luteolysis]]."

feedback1="'''Incorrect.''' Oestrogen promotes development of mammary tissue and is vital for thickening of the endometrium prior to implantation. Oestrogens regulate the oestrus cycle. PGF2α from the endometrium is transported to the ipsilateral ovary through a vascular counter-current exchange mechanism. This ensures a high proportion of PGF2α produced by the uterine glands will be transported directly to the ovary and corpus luteum without dilution in the systemic circulation, thereby causing luteolysis. [[Endocrine System - Ovaries - Anatomy & PhysiologyThe Ovary - Corpus Luteum Regression- Anatomy & Physiology|WikiVet Article: luteolysis]]."

feedback1="'''Incorrect.''' Oestrogen promotes development of mammary tissue and is vital for thickening of the endometrium prior to implantation. Oestrogens regulate the oestrus cycle. PGF2α from the endometrium is transported to the ipsilateral ovary through a vascular counter-current exchange mechanism. This ensures a high proportion of PGF2α produced by the uterine glands will be transported directly to the ovary and corpus luteum without dilution in the systemic circulation, thereby causing luteolysis. [[Corpus Luteum Regression - Anatomy & Physiology|WikiVet Article: luteolysis]]."

feedback2="'''Incorrect.''' Progesterone converts the endometrium to its secretory stage to prepare for implantation, reduces the immune response within the uterus to allow for acceptance of the conceptus, and decreases contractility of the smooth muscle. PGF2α from the endometrium is transported to the ipsilateral ovary through a vascular counter-current exchange mechanism. This ensures a high proportion of PGF2α produced by the uterine glands will be transported directly to the ovary and corpus luteum without dilution in the systemic circulation, thereby causing luteolysis. [[Endocrine System - Ovaries - Anatomy & PhysiologyThe Ovary - Corpus Luteum Regression- Anatomy & Physiology|WikiVet Article: luteolysis]]."

feedback2="'''Incorrect.''' Progesterone converts the endometrium to its secretory stage to prepare for implantation, reduces the immune response within the uterus to allow for acceptance of the conceptus, and decreases contractility of the smooth muscle. PGF2α from the endometrium is transported to the ipsilateral ovary through a vascular counter-current exchange mechanism. This ensures a high proportion of PGF2α produced by the uterine glands will be transported directly to the ovary and corpus luteum without dilution in the systemic circulation, thereby causing luteolysis. [[Corpus Luteum Regression - Anatomy & Physiology|WikiVet Article: luteolysis]]."

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