Talk:2010 BGD Practical 3 - Quiz

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1 Which of the following statements is most correct concerning early development in female gametogenesis:

	the total number of ooctyes is regulated by follicle stimulating hormone
	oocyte numbers increase prenatally and begin to decrease at puberty
	less than 0.1% of all oocytes formed are released during reproductive life
	oocytes within all antral follicles are released in sequence at ovulation
	oocyte selection occurs at the primordial follicle stage

2 The spermatogenic epithelium is stimulated by follicle stimulating hormone (FSH)

	true
	false

3 Gamete differentiation occurs while diploid

	oocytes
	spermatozoa

4 Which of the following is incorrect about the block to polyspermy

	occurs after fertilization
	occurs when meiosis II is completed
	occurs initially when sperm and oocyte membranes fuse
	occurs when cortical granules are released

5 Which of the following statements about the blastocyst is most correct

	the blastocyst forms from the 2 blastomere stage
	the blastocyst has a cavity lined with endoderm
	the blastocyst stage occurs after hatching from the zona pellucida
	the blastocyst has an embryoblast and trophoectoderm layer

6 The process of implantation

	is driven by the trophoblast layer
	occurs following adplantation
	can occur inside and outside the uterine body
	allows endocrine support of the corpus luteum
	all of the above

7 Ectoderm refers only to the neural plate region of the trilaminar embryo

	true
	false

oocyte numbers development follicles sperm development fertilization events embryo cell division implantation events/signaling early embryo layers early placenta gastrulation/axial process