What steps in male reproductive physiology do you think might be possibly blocked pharmacologically in order to produce such a contraceptive for males?
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Answer the ff.
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What steps in male reproductive physiology do you think might be possibly blocked pharmacologically in order to produce such a contraceptive for males? |
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What are the negative effects of candidate drugs currently proposed for the male hormonal contraceptive? What alternative ways are considered that will reduce these effects? |
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- A. Fact or Myth: Let's debunk some common sex hormones myths and facts. Tell whether the statement is a FACT or a MYTH. 1. Without estrogen, females are at risk for weak bones later in life 2. Progesterone is less important than estrogen which is the "Queen" hormone.Directions: Match the hormones secreted by the gongds and with their effect to human body. Draw lines connecting the gonads to hormones secreted and theireffects. Gonads Hormones Effects testes estrogen deepening of voice testosterone growth of hair ovary progesterone prepares the endometrium development of breast 1. Are there any secondary sex characteristics that occur to both male and female? 2. Why it is that male develops more muscle mass compared to female? 3. What do you think is the reason why female has wider pelvic or hip compared to male?Discuss important premedication assessments to be used with all types of contraceptives.
- Please explain the effect/role of testosterone, in livestock, in the following statements 1. Causes anger and aggresiveness in livestock 2. Testosterone for mating functionality 3. Testosterone before puberty and after puberty 4. How is testosterone motivated 5. Negative feedback 6. Spermatogenesis 7. Temperature 8. Testosterone in females 9. Sperm pathway according to testosterone production 10. Optimal state for sperm according to testosterone 11. Fertilization what is testosterones role in this - 12. Effect if testosterone is not present in malesdiscuss the mode of action of the different steroidal contraceptives.Please answer the following: 1.Identify the changes in sensitivity that occur in the hypothalamus, pituitary and gonads as a boy or girl approaches puberty. Explain how these changes lead to the increases of sex steroid hormone secretions that drive many pubertal changes. 2.Explain how the internal female and male reproductive structures develop from two different duct systems. 3.Explain what would occur during fetal development to an XY individual with a mutation causing a nonfunctional SRY gene.
- Give the rationale behind the hormonal ingredients used in the formulation of the female contraceptive pill. What are the side-effects of the use of such pills, and how does modern pharmacology address these issues?Identify 3 effects of progesterone on pregnancy. Select one or more: O a. This causes the uterus to remain contracted after delivery to reduce blood loss from the placental site O b. This is produced when the ovarian follicle that encloses the developing egg forms a structure called the corpus luteum O c. This decreases bladder tone leading to an increased risk of urinary infection O d. This prepares the body for pregnancy. It acts as an appetite stimulant Identify 1 effect of the hormone vasopressin in pregnancy. Select one: O a. This has an important compensatory mechanism for restoring blood pressure in hypovolaemic shock such as that which occurs during haemorrhage O b. Promotes the maintenance of the corpus luteum at the beginning of pregnancy O C. Involved in thickening of the endometrium and other aspects of regulating the menstrual cyclet of 1 One cause of male infertility is congenital absence of the vas deferens (CAVD). An individual with CAVD is born without a portion of the epididymis, vas deferens, and seminal vesicle, resulting in the obstruction of the passage of sperm from the testes. In order to father a child, those with CAVD must undergo surgical aspiration of sperm cells from the testes to be used for in vitro fertilization. Select one: OA. Structure b OB. Structure d OC. Structure e OD. Structure f 你 b d The structure from which sperm cells must be retrieved, in order for an individual for CAVD to produce children is
- A. Complete the following table by identifying the feedback mechanism involve in the following situations. SITUATION 1. The hypothalamus produces gonadotropin-releasing hormone IGnRHI. The GnP.H signals the pituitary to produce follicle-stimulating hormone IFSlil which stimulates the ovaries to produce estrogen. High levels of estrogen prevent the production of GnRH and causes the pituitary to make less FSH. FEEDBACK MECHANISM 1 what might happen to a person who's nervous and endocrine systems fail to maintain hemeostasis?Help please? The Topic is sexual reproduction and its physiology. Scenario: During the ovarian cycle, estrogen secretion by the dominant follicle eventually gets so high that it triggers the hypothalamus to produce and secrete even more gonadotropin-releasing hormone (GnRH). This release of GnRH into the anterior pituitary typically causes the anterior pituitary to release a large amount of luteinizing hormone and a much smaller amount of follicle-stimulating hormone. However, Tiffany K. produces a ton of follicle-stimulating hormone and luteinizing hormone during the end of her follicular phase. She had a bad experience with medical doctors in the past, and so she her medical doctor to figure out what is going on. She asks you if you had any suggestions about what hormone the doctor should test first. You tell Tiffany it would make sense for the doctors to first check her levels of...(see image)KW. is 16 years old and has experienced oligomenorrhea (infrequent menstruation) for several years. Endocrine screening shows she has high levels of free testosterone and a LH.FSH ratio of 3:1. a) Is KW. ovulating? How do you know? b) Why is she not menstruating normally? How does her LH FSH levels affect follicle development and menstruation.