12. The diagram shows a male reproductive system.Name the parts labeled A, B, and C and give one function for each.b) Define fertilisation.13. a) (i) Describe the human menstrual cycle.(ii) State and explain the most fertile phase in the cycle in (1).b) State the possible causes of infertility in females.14. a) (1) Draw a labeled diagram of an ovum.(i) State and explain two differences between an ovum and a sperm.b) (i) State the possible causes of infertility in men.(ii) What is ovulation?TEST YOURSELF18c[2][6][4][2]SE DHE EAlternative to Practical Questions15. a) Name one example of each stated contraceptive method and explain how it works.(1) Sterilisation method(ii) Natural method(iii) Barrier methodb) The following process occurs during reproduction in humans.Lova(i) Name the process.(ii) Which sperm is successful in the process?211sperm[2][2]EE(1)EE

Question 12:a) Name the parts labeled A, B, and C, and give one function for each.A: Vas deferens -…

Answered: 12. The diagram shows a male…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Similar questions

1. What is the greatest in terms of number? a.) Length of the membranous urethra (in inches) b.) No. of chromosomes in spermatid c.) No. of sperm produced from 1 spermatid d.) No. of seminiferous tubules in single testis e. No. of sperm produced from single spermatogonium 2. Which processes is controlled by sodium balance? a.) Glomerular filtration rate & sodium reabsorption b.) Glomerular filtration rate & renin production c.) Sodium reabsorption and potassium secretion d.) All of the above e.) None of the above
Sperm need to be deposited in the vagina close to the time of ovulation because… a) Fertilisation needs to occur in the uterus b) The probability of fertilisation occurring in humans is about 25% c) The fusion of male and female gametes is the beginning of embryonic development d) Sperm and ovum are viable for a short time only
a) Give a detailed account of the hormonal control of the human menstrual cycle. Briefly explain the similarities and differences between oogenesis and spermatogenesis. b)
Gross Anatomy of the Human Male and Female Reproductive System a) Assume that a couple has just consummated the sex act and that the sperm have been deposited in the vagina. Trace the pathway of the sperm through the female reproductive tract. b) Define ovulation. c)The testis is divided into a number of lobes by connective tissue. Each of these lobes contains one to four_______ which converge to empty sperm into another set of tubules called the_______
7) The following events occur during proestrus (PE). Select all that apply: a) The early Graafian follicle matures and becomes ready to ovulate. b) Peak levels of E2 signal the readiness of the follicle leading to the release LH. c) LH stimulates the release of progesterone from the corpus luteum. d) Progesterone from the corpus luteum causes behavioral estrus. e) The LH surge causes ovulation.
Sperm generally can only enter the uterus from the vagina around the time of ovulation because… a) When oestrogens are elevated, the mucus in the cervix becomes non viscous allowing sperm penetration b) Elevated progesterone levels open the cervix allowing the sperm to enter c) The mucus in the cervix is normally thick and viscous allowing sperm to swim into the uterus d) The LH surge opens the cervix allowing the sperm to enter
Reproductive physiology (human) a) At the time of ovulation, the released ovum (egg) has completed both meiosis I and meiosis II. b) Because the corpus luteum (CL) is rescued from atresia by hCG early in pregnancy, the CL continues to produce progesterone throughout the 9 months of a normal pregnancy. c) Late in the follicular phase, estrogen participates in a positive feedback loop that leads to a surge in luteinizing hormone and ovulation. d) Both (a) and (b) are correct and (c) is incorrect e) Statements (a), (b) and (c) are all correct
10. In a genetic (XX) female,a) What is the broad ligament?b) What structures are within it?In a genetic (XY) male,c) What is the spermatic cord and what is its path? d) What structures are within it?
11.)Which hormone promotes the thickening of the endometrium and also inhibits the hormone that promotes the development of the follicle wall into the corpus luteum? a.) Progesterone b.) Luteinizing hormone (LH) c.) Estrogen d.) Follicle stimulating hormones (FSH) 12.) If gonadotropin releasing hormone (GnRH) production were blocked, the following would occur, except : a.) LH levels would decrease b.) Sperm production would decrease c.) Testosterone production would decrease d.) FSH level would increase 13.) Which of the following is not a hormone? a.) Estrogen b.) Testis c.) Testosterone d.) Gonodotropin releasing hormone 14.)Which hormone is inhibited during pregnancy in order to prevent contractions of the uterus? a.) Estrogen b.) Progesterone c.) Oxytocin d.) Follicle stimulating hormones (FSH) 15.)Which of the following glands controls the function of the ovaries? a.) Parathyroid b.) Thymus c.) Thyroid d.) Pituitary Gland
62. Which of the following postovulatory events is most likely to be impaired by failure of the corpus luteum to develop? A) Fertilization B) First cleavage of the zygote C) Formation of the blastocyst D) Implantation E) Passage of the oocyte into the fallopian tube
14.)Which hormone is inhibited during pregnancy in order to prevent contractions of the uterus? a.) Estrogen b.) Progesterone c.) Oxytocin d.) Follicle stimulating hormones (FSH) 15.)Which of the following glands controls the function of the ovaries? a.) Parathyroid b.) Thymus c.) Thyroid d.) Pituitary Gland
a.) When in the female life cycle are oocytes produced? b.) Which human hormone(s) are thought to trigger ovulation?

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