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- The correct order of the process that occurs when a sperm encounters an egg is the sperm reaches ovum, implantation occurs, zygote is formed, embryo begins secreting hCG. sperm reaches ovum, zygote is formed, implantation occurs, embryo begins secreting hCG. sperm reaches ovum, embryo begins secreting hCG, implantation occurs, zygote is formed. sperm reaches ovum, embryo begins secreting hCG, zygote is formed, implantation occurs. OOO QUESTION 20Which of the following mechanisms best explains the contraceptive effect of birth control pills that contain both synthetic estrogen and progestin? Inhibition of ovulation Impairment of implantation hyperplastic changes of the endometrium Production of uterine secretions that are toxic to developing embryos Impairment of sperm transport due to uterotubal obstruction Direct inhibition of oocyte maturationOne of the following is not one of the significance of zona pellucida zonal reaction results preventing further penetration of other sperm It keeps dividing cells together during migration It prevents adhesion between the developing zygote& the epithelium tube It enhances (helps) the process of ectopic pregnancy
- Which of the following processes takes place simultaneously during the menstrual cycle? Early follicular development and uterine lining High LH levels and ovulation Maximum LH release and menstruation (bleeding) Reconstruction of the corpus luteum and increased progesterone release from the ovaries Ovulation and menstruationWhich of the following does NOT aid the sperm in fertilization? * Increased mitochondria Cytoplasmic bridge Acrosomes Flagellum development Hyaluronidase & proteaseWhich of the following is true about Organogenesis? Choose all possible answers. anterior pituitary gland releases FSH and LH that drives ovarian development is the process by which mature female gametes, or ova, develop from germ cells. begins at puberty LH surge causes the oocyte to mature. After the secondary oocyte is released from the ovary, meiosis is completed.
- Which of the following is not true concerning the uterus? Group of answer choices It produces estrogen. It sloughs compact and spongy layers of lining tissue. It is the site for embryo implantation. Uterine muscle contraction expels the infant.Which of the following is NOT true regarding spermatogenesis? Initial spermatozoa formed are not mobile and cannot fertilize. Spematogonia have diplold chromosome. Spematocyte undergoes two rounds of division to produce 4 diploid sperm Some of the spermatogonia become reservoir cells Spematogonia breaks away from the basement membrane to develop Into sperm.Both ocelli and statocysts are composed in part of nerve tissue. True False
- The nursing professor is discussing in the online lecture the differences between the male and female reproductive organs with emphasis on the organs that are homologous. Which of the following is incorrect? Cowper's gland - Skene's glands Glans penis - clitoris Scrotum - labia majora Spermatogenesis - oogenesisThere are 6 major events in fertilization. Discuss the process of fertilization or conception, with emphasis on the sperm-egg interaction. Proteins on the sperm plasma membrane bind to ZP3 molecules within the zona pellucida of the egg. Why is this event important? Zona binding triggers the acrosome reaction, in which the sperm plasma membrane fuses with the outer acrosomal membrane, causing exocytosis of acrosomal contents. What is in the "acrosomal content"? Acrosomal enzymes begin to dissolve a hole in the zona pellucida. This enzymatic degradation, accompanied by rapid sperm tail beating, moves the sperm through the zona. Where does the sperm intend to reach?Which of the following describes the role of Luteinizing hormone in the ovarian cycle? o Inhibits the hypothalamus from secreting GNRH o Directly promotes thickening of the endometrium o Simulates the ovary to increase aldosterone o Induces the corpus luteum to secrete progesterone Stimulates lactation in the mammary glands