Zygote intrafallopian transfer (ZIFT) requires in vitro fertilization to be perf
ID: 181551 • Letter: Z
Question
Zygote intrafallopian transfer (ZIFT) requires in vitro fertilization to be performed before embryo transfer into oviduct True False The most common cause of low sperm count in males is The most common cause of low sperm count in males is varicoccele undescended testicles testicular failure semen disorders obstructions Fertilization take place within a woman's body in which of the following ART techniques? GIFT ICSI IVF ZIFT PGD Intracytoplasmic sperm injection (ICSI) is used by couples in which the female has blocked oviducts female has very irregular ovulation female is approaching menopause source of sperm is a sperm bank male is infertile The use of is associated with an increased risk of transmitting genetic defects, such as those related to infertility, onto male children. IVF GIFT IUI ZIFT ICSI An individual who is at risk of passing a genetic defect onto his or her offspring would most likely undergo a genetic testing genetic screening enzyme replacement therapy preimplantation genetic diagnosis (PGD) amniocentesisExplanation / Answer
26. False.
ZIFT is an infertility treatment, where IVF is really carried out before embryo transfer. But, in humans, the term 'oviduct' is not applicable. This term instead, is applicable to non-mammalians. The equivalent structure is called the fallopian tubes, where the embryo is transferred to.
27. Answer - A.
Varicocele is the abnormal enlargement of the pampiniform venous plexus present in the scrot-um, which causes a rise in temperature of the scrot-um, leading to infertility. It occurs in 20% of males. A varicocele scrot-um not necessarily develop fertility, but this is the most common cause of male fertility.
28. Answer - A. GIFT
Gamete intra-fallopian transfer involves the placing of the egg at the fallopian tubes, to be fertilized by the sperm.
29. D. Source is a sperm bank
As the sperms in the sperm bank are stored frozen, they are not of good quality and motility. In this case, ICSI is preferred.
31. D. PGD
PGD, or Pre-implantation genetic diagnosis involves checking the the genetic testing of the embryo after IVF.
Note - Sorry for the word 'scrot-um'. The answering portal soes not accept the answer with the actual word.
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