ANS3319Exam3_Spring_2011_Key

ANS3319Exam3_Spring_2011_Key - ANS 3319C Reproductive...

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ANS 3319C Reproductive Physiology & Endocrinology in Domestic Animals Exam 3 (100 pts: April 8, 2011) Name: _______________________________ Page 1 of 5 Please match each numbered phrase with the most appropriate answer by placing the letter in the correct blank. Answers can only be used once (1 pt each). 1) K Fluid filled protective sac surrounding fetus. A) eCG 2) N Protein produced by placenta and basis for early pregnancy test in ruminants. B) Foramen ovale 3) I Cells of a blastocyst that develop into the chorion of the placenta. C) Oxytocin 4) W Reaction that allows sperm cell to digest zona pellucida. D) Diffusion 5) O Process of biochemical changes that occur to sperm that infer fertility on sperm. E) Allantois 6) T Fetal shunt that directs blood away from the fetal lungs to the descending aorta. F) Decreases 7) J Ovarian hormone that stimulates the preovulatory surge of LH? G) Fructose 8) U Reproductive structure that produces the luteolytic signal in farm animals. H) Ductus venosus 9) S Protein produced by placenta and basis for early pregnancy testing in humans. I) Trophoblasts 10) D Mechanism by which glucose is transferred across the placenta to the fetus J) Estrogen 11) E Membrane that carries blood vessels to the outer most placental membrane. K) Amnion 12) V Thought to be the origin of the luteolytic signal in humans. L) Cortical 13) X Estrogen _____________ blood flow to the reproductive tract during estrus. M) Testis Determining Factor 14) B Name of the shunt between the right and left atrium in the fetal heart. N) PAGS 15) Q Reproductive structure that serves as both a barrier and reservoir for sperm. O) Capacitation 16) F Progesterone _________ myometrial contractility during embryo development. P) Glucose 17) G Primary carbohydrate that is found in plaques on umbilical cord. Q) Cervix 18) R Mechanism by which amino acids are transferred across the placenta to fetus R) Active transport 19) M Sexual differentiation is controlled by a gene on the Y-chromosome called the? S) hCG 20) Y Membrane that attaches to uterus and allows for nutrient/gas exchange. T) Ductus arteriosus 21) L Biochemical reaction that initiates the zona block and prevents polyspermy. U) Uterus 22) C Protein secreted by CL & involved in luteolysis in ruminants. V) Ovary 23) A Protein that stimulates the development of accessory CL in the mare. W) Acrosomal 24) P Primary carbohydrate that composes ½ of fetal diet during gestation. X) Increases 25) H Fetal shunt that directs blood away from the fetal liver. Y) Chorion
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ANS 3319C Reproductive Physiology & Endocrinology in Domestic Animals Exam 3 (100 pts: April 8, 2011) Name: _______________________________ Page 2 of 5 True or False. Circle the correct answer. If a phase or word is underlined it is the central focus of the statement and cannot be changed to make the statement true. If you answered a question false you must provide a
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This note was uploaded on 11/23/2011 for the course ANS 3319C taught by Professor Yelich during the Fall '07 term at University of Florida.

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ANS3319Exam3_Spring_2011_Key - ANS 3319C Reproductive...

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