Anatomy of Female Reproductive System and Male Sperm Production, Exams of Biology

Download Anatomy of Female Reproductive System and Male Sperm Production and more Exams Biology in PDF only on Docsity! BIOD 152: ANATOMY MODULE VI Q & A . Download to score The Female Reproductive System 1. The female reproductive system includes what internal organs? 2. What is ovulation? How often does it occur? 3. What is the ovarian cycle? 4. What does the ovarian follicle become after ovulation? 5. What is the purpose of the corpus luteum? 6. What are the three sections and three coats of the oviducts? 7. What is the function of the fimbriae? 8. An egg is most often fertilized in what region? 9. Describe the shape and location of the uterus. 10. What are the three layers of the uterus? 11. What is the function of the myometrium? 12.What are the three regions of the uterus? 13.What is the fundus? 14. What is the function of the cervix just prior to ovulation? 15. What are the three layers of the vaginal wall? Your Answer: 1. ovaries, ovaduct, uterus, vagina and vulva 2. ovulation is the release of mature eggs, and it happens BIOD 152: ANATOMY MODULE VI Q & A . Download to score every 28 days 3. egg is released from ovarian follicle 4. Corpus luteum 5. helps maintain pregnancy iof egg is fertilized. 6. infundibulum, ampulla, and isthmus and coats: serous coat, middle muscular coat, inner mucosa coat 7. finger-like projections form the oviduct. 8. ampulla 9. uterus is forward between the bladder and rectum, and is shaped like an inverted pear BIOD 152: ANATOMY MODULE VI Q & A . Download to score 15. An inner tissue layer, intermediate muscle layer and outer tissue layer Question 2 Not yet graded / 0 pts The Female Reproductive System 16.What is the function of the mucosal lining in the vaginal wall? 17.The is a fat pad located in front of the pubic symphysis and is covered with hair after puberty. 18.The is an outer fold of skin that is located posterior to the mons pubis. 19.The urethral orifice is located the vaginal orifice. 20.Describe the structure of the mammary glands 21. Is milk produced during pregnancy? BIOD 152: ANATOMY MODULE VI Q & A . Download to score 22.What is colostrum? 23.What is oogenesis? 24.Describe the steps of oogenesis from primary oogonia to a mature ovum. 25.What is the function of estrogen and progesterone? 26.What are the three phases of the menstrual cycle? BIOD 152: ANATOMY MODULE VI Q & A . Download to score 27.What is contained in the menstrual flow? 28.Describe the proliferative phase. 29.Describe the secretory phase. Your Answer: 16. it is folded and can be expanded for giving birth. 17.mons pubis 18. labia majora 19.anterior 20.one to two dozen lobules with ducts for mile secretion. 21.no, needs prolactin 22.yellow-white fluid similar to milk with high protein content. 23.production of eggs in the ovaries. 24.two daughter cells originally divided are primary oocytes, this then undergoes first mitotic division into the secondary oocyte and polar body. secondary oocyte units with sperm to become ovum, with 23 chromosomes. 25.Estrogen is important for menstral cycle and production of eggs. progesterone helps with maintaining pregnancy but does not promote BIOD 152: ANATOMY MODULE VI Q & A . Download to score follicles to mature each month. The primary oocyte in the follicle undergoes its first meiotic division into two daughter cells: the secondary oocyte and the first polar body. If the secondary oocyte is united with a sperm after ovulation the second meiotic division occurs which produces a second polar body and an ovum with 23 chromosomes. 25.Estrogen is important in the production of eggs and the menstrual cycle. It is also responsible for secondary sex characteristics. Progesterone is necessary for the maintenance of pregnancy but does not promote secondary sexual characteristics. 26.the menstrual phase, the proliferative phase, and the secretory phase. 27.detached tissue of the endometrium and blood 28.The proliferative phase occurs during days 6-14 as the endometrium rebuilds in response to increasing estrogen levels. Ovulation of an egg typically occurs in the ovaries on day 14. Ovulation is triggered when the anterior pituitary (in the brain) releases luteinizing hormone (LH) as a response to high levels of estrogen. BIOD 152: ANATOMY MODULE VI Q & A . Download to score 29.During this phase the corpus luteum begins to secrete progesterone. Progesterone causes an increased blood supply in the uterus and secretion of nutrients, preparing the uterus for implantation. If fertilization has not occurred, the corpus luteum dies and the endometrium blood supply decreases because of decreased progesterone which begins the menstrual phase again. Question 3 Not yet graded / 0 pts Male Reproductive System 30.Describe the structure and function of the testes. 31.Where is the site of sperm maturation? 32.What would happen if the testes do not descend into the scrotum? 33.What is the length of sperm maturation? Why? 34.What is the site where the vas deferens enters the abdomen? 35.What is the ejaculatory duct? 36.What is a vasectomy? BIOD 152: ANATOMY MODULE VI Q & A . Download to score 37.The fluids of the semen are contributed by what three glands? 38.What is semen? 39.Discuss the function of the antibiotics found in semen. 40.What do the seminal vesicles contribute to the contents of semen? 41.What does the prostate gland contribute to the contents of semen? 42.What do the bulbourethral glands secrete? 43.Describe the formation of sperm from spermatogonia. 44.Describe the parts of a mature sperm. 45.What is the purpose of the hormone testosterone? Your Answer: 30.sperm and testosterone production 31.epididymus BIOD 152: ANATOMY MODULE VI Q & A . Download to score 36.A vasectomy can be performed as a permanent form of birth control. In this procedure, the vas deferens is cut and tied off which permanently prevents sperm from exiting the body to fertilize an egg. 37.The seminal vesicles, the prostate and the bulbourethral glands 38.A thick, whitish fluid that contains sperm and accessory gland secretions. 39. It kills any bacteria in the male urethra or female reproductive system which would kill the sperm to kill any bacteria in the urethra which would kill the sperm. 40.The seminal vesicles secrete a thick, viscous fluid containing nutrients (fructose, vitamin C, and prostaglandins) for use by the sperm. 41. It secretes a milky alkaline fluid helping to increase the motility of the sperm. 42.The alkaline mucus secreted by the bulbourethral glands clears and neutralizes the acidity of any urine inside the urethra. 43.Sperm are formed from spermatogonia in the seminiferous tubules located in the testes. The spermatogonia are stem cells that go through mitotic divisions (with 46 cells each) beginning at birth until BIOD 152: ANATOMY MODULE VI Q & A . Download to score puberty. Once a male enters puberty his anterior pituitary gland begins to secrete follicle stimulating hormone (FSH). When FSH is secreted the spermatogonia undergo cell division; one of the cells continues the stem cell line. The other cell, known as the primary spermatocyte, undergoes meiosis. Meiosis produces four gametes with (with 23 chromosomes each) known in the male reproductive system as spermatids. All four spermatids become viable gametes. 44.The head is almost entirely nucleus containing the cell DNA with a crown called the acrosome which contains enzymes that breakdown the membrane of the egg to allow the sperm to penetrate. The midpiece contains numerous mitochondria that generate the locomotive energy needed by the sperm. The tail is a typical flagellum which is used to propel the sperm through the female reproductive tract. 45.Testosterone stimulates the sex drive and growth in males. It also stimulates secondary sex characteristics such as broad shoulders, deep voice, increased muscle size and bone density, and increased hair. BIOD 152: ANATOMY MODULE VI Q & A . Download to score Question 4 Not yet graded / 0 pts Sexual Reproduction, Pregnancy and Fetal Development 46.Why are offspring different from their parents? 47.What is a haploid cell? A diploid cell? 48.What is meiosis? 49.How many chromosomes does a zygote contain? 50.What determines the sex of the developing fetus? 51.What is the corona radiata? 52.How long are male and female gametes viable? 53.Describe the order of development from a fertilized egg to a fetus. 54.The presence of in urine will result in a positive pregnancy test taken at home. 55.Describe the supportive cells formed in the blastocyst. 56.The skin and nervous tissue develop from the layer BIOD 152: ANATOMY MODULE VI Q & A . Download to score blastocyst begin to develop into three layers which become the embryo. By the end of week eight the embryo is considered a fetus. 54.HCG (human chorionic gonadotropin) 55.Other cells of the blastocyst form supportive cells for embryonic function: the amnion, placenta and umbilical cord. The amnion forms a sac filled with fluid to cushion and protect the fetus. The placenta is a temporary organ that carries out nutritive, respiratory, excretory and endocrine functions for the embryo. The baby continues to grow in the uterus with nutrition provided by the placenta for nine months until it is time for delivery. The umbilical cord attaches the embryo to the placenta. 56.Ectoderm Question 5 Not yet graded / 0 pts Sexual Reproduction, Pregnancy and Fetal Development 57.The inner endoderm layer forms the . BIOD 152: ANATOMY MODULE VI Q & A . Download to score 58.The cardiovascular system develops from what layer of the blastocyst? 59.Describe the steps of the formation of the neural tube. 60.What supplement is recommended to prevent neural tube defects? 61.Around what week does the heart begin to have blood flow? 62.During what trimester do fingerprints develop? 63.What trimester do the testes descend into the scrotum? 64.What causes the cervix to dilate during labor? 65.What is the second stage of labor? BIOD 152: ANATOMY MODULE VI Q & A . Download to score 66.What is the third stage of labor? 67.What stage of labor is the longest? 68.Review all figures in the module. Your Answer: 57.glands (thyroid, parathyroid and thymus. 58.mesoderm 59.neurulation starts with the neural plates folding together creating a neural groove. The neural fold forms together and seals , creating a neural crest separated from the epidermis and neural tube.