Classic Classic Quiz Endocrine Control of Oestrous by Diamondsareforever Diamondsareforever 13 played - 13 yrs ago A quiz based on the syllabus for Breeding and Stud Management in the FDSC Equine Science and Management QUIZ 23 QUESTIONS hard 1 Where does the pituitary gland lie? At the base of the brainIn the ovariesIn the throatNext to the cervixIn the testes 2 What hormones does the posterior lobe secrete? FSH and LHOxytocin and VasopressinProlactin and OxytocinVasopressin and LHLH and Prolactin 3 What hormones does the anterior lobe produce? Oxytocin and VasopressinOxytocin, Vasopressin and FSHLH, Prolactin and OxytocinFSH, LH & VasopressinFSH, LH & Prolactin 4 What does FSH stimulate the development of? Ovarian FolliclesOvarian CystsGraafian FolliclesCorpus LuteumProgesterone 5 What do ovarian follicles secrete? OestrogenProgesteroneProlactinProsteglandinLH 6 What hormone is responsible for oestrus signs? OestrogenProgesteroneFSHOxytocinProstaglandin 7 What does rising blood levels of oestrogen stimulate? Secretion of LHSecretion of FSHSecretion of ProgesteroneDevelopment of the corpus luteumEnding the luteal phase 8 What does secretion of LH do? Cause ovulationCease the functional life of the corpus luteumStimulate release of prolactinStimulate release of oestrogenCause blood progesterone to fall 9 What does the corpus luteum secrete? ProlactinProstaglandinGNRHProgesteroneOestrogen 10 Which hormone is responsible for diestrus signs in the mare? ProgesteroneOestrogenHCGLHFSH 11 What ends diestrus? Secretion of prostaglandinSecretion of oestrogenSecretion of hCGSecretion of FSHSecretion of progesterone 12 What does prosteglandin do? Cease the functional life of the corpus luteumStimulate ovulationProduce oestrous signsStimulate the release of LHStimulate development of the graafian follicle 13 Which hormones levels fall to zero after prostaglandin has been released? ProgesteroneOestrogenFSHLHOxytocin 14 How long is the mare in diestrus? 5-6 days5 days15-16 days10-14 days21 days 15 What does falling progesterone levels do? Stimulate the anterior pirtuitary to secrete FSHStimulate the anterior piruitary to secrete LHStimulate the anterior pirtuitary to secrete oxytocinStimulate the posterior pirtuitary to secrete vasopressinStimulate the posterior pirtuirtary to secrete FSH 16 How long is the mare in oestrus? 5 days5-6 days15-16 days21 days3-5 days 17 What does the vulva do in diestrus? ShortenLengthenTurn whiteTurn pale pinkTurn dark pink 18 What is the vagina like in diestrus? TightLooseOpenPale pinkShorter 19 What is the cervix like in diestrus? Pale pink and openTight and closedDark pink and openWhite and openLoose and open 20 When is oxytocin important? At foalingDuring diestrusDuring the life of the corpus luteumDuring pregnancyDuring oestrus 21 What is another name for the yellow body? Corpus luteumAnterior pirtuitaryGraafian follicleOvaryVasopressin 22 Where is FSH secreted? Posterior lobeOvaryTestesOvulation fossaAnterior lobe 23 Where does ovulation occur? Ovulation fossaOvulation gossaAmpullaFallopian TubesCervix A mistake in this Quiz ? Contact the author Commentaires