REPRODUCTION Flashcards
what is the name of the peptide hormone which plays a major role in both ovulation and the activity of the interstitial cells of the testis? A. follicle stimulating hormone B. inhibin C. luteinizing hormone D. oestradiol E. progesterone F. testosterone G. corticosterone
C. luteinizing hormone
which peptide hormone formed in the hypothalamus is necessary for normal spermatogenesis? A. follicle stimulating hormone B. gonadotrophin-releasing hormone C. inhibin D. luteinizing hormone E. oestradiol F. progesterone
B. gonadotrophin-releasing hormone
which of the following statements about infertility is true?
A. infertility in women can’t be the result of cervical mucus hostility
B. infertility may not lead to treatment by injection with gonadotrophins
C. infertility is not seen at all in women with polycystic ovary syndrome
D. infertility can result from anovulation
D. infertility can result from anovulation
implantation happens after blastocyst has hatched through... A. trophectoderm B. inner cell mass C. placenta D. zona pellucida E. endometrium
D. zona pellucida
what happens in the embryo after embryonic genome activation and before blastocyst formation? A. fertilisation B. cleavage C. compaction D. syngamy E. pluripotency F. hatching
C. compaction
after fertilisation male and female pronuleuses are unified. what is this process called? A. fertilisation B. hatching C. cleavage D. compaction E. syngamy
E. syngamy
which genes confer self renewal and pluripotency in embryonic stem cells? A. stage specific antigens B. LIF + GNRH C. OCT4 + Nanog D. cytokeratin + vimentin
C. OCT4 + Nanog
what is the best choice of treatment for a 36 year old man with 47 XXY karyotype that is consistently azoospermic at semen analysis but has a small number of sperm recovered by testicular biopsy? His 31 year old partner is of normal biology with patent fallopian tubes and has responded well to superovulation A. in vitro fertilisation B. donor insemination C. intracytoplasmic sperm injection D. sperm cryopreservation E. egg donation
C. intracytoplasmic sperm injection
Which one of these forms the inner most layer of an ovarian follicle? A. Granulosa cells B. Theca externa C. Stromal cells D. Theca interna E. Zona pellucida
E. Zona pellucida
Which of these events induces ovulation?
A. Decreasing plasma progesterone triggers a surge of Luteinizing Hormone
B. Increasing plasma oestrogen triggers a surge of Luteinizing Hormone
C. Decreasing plasma oestrogen triggers a surge of Luteinizing Hormone
D. Increasing plasma progesterone triggers a surge of oestrogen
E. Increasing plasma progesterone triggers a surge of Luteinizing Hormone
B. Increasing plasma oestrogen triggers a surge of Luteinizing Hormone
What is the name given to the part of the uterus that lies above the entrance of the Fallopian tubes? A. Fundus B. Body C. Cervix D. Internal os E. Pouch of Douglas
A. Fundus
Which of these hormones is secreted directly into a portal system? A. Gonadotropin-releasing hormone B. Follicle-stimulating hormone C. Luteinising hormone D. Oestrogen E. Oxytocin
A. Gonadotropin-releasing hormone
Which of these terms best describes the epithelium of the vagina?
A. Keratinised pseudostratified squamous epithelium
B. Keratinised stratified squamous epithelium
C. Non-keratinised stratified squamous epithelium
D. Keratinised simple columnar epithelium
E. Non-keratinised pseudostratified squamous epithelium
C. Non-keratinised stratified squamous epithelium
Which of these symptoms is not associated with Poly Cystic Ovary Syndrome? A. Oligomenorrhoea B. Depression C. Obesity D. Galactorrhoea E. Hirsutism
D. Galactorrhoea