anatomy and physiology 37) Female orgasm is required for conception 389) The fir

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anatomy and physiology

37) Female orgasm is required for conception 389) The first sign of puberty in females is budding breasts 19) The primary function of the testes is to produce testosterone 10) The stage in meiosis where chromosomal exchange takes place is telophase 4l) The diamond-shaped area between the coceys, pubic arch, and ischial tuberosities in the female s 37) 38) 39) 40) the vulva. 42) The soft mucosal lining of the uterus is the endometrium 43) A scrotal muscle that contracts in response to cold environmental temperature is the cremaster 12) 43) 44) The secretions of the bulbourethral glands neutralize traces of acidic urine in the urethra and serve serve 4) as a lubricant during sexual intercourse. MULTIPLE CHOICE Choose the one alternative that best completes the statement r answers the question. 45) Cells on the dorsal surface of the two-layered embryonic disc migrate to form a raised groove 45) known as the A) germ cell formation C) blastocyst B) primitive streak D) amnion formation 46) The result of polyspermy in humans is 46) A) a nonfunctional zygote C) mitotic insufficiency B) interruption of meiosis D) multiple births 47) It is impossible for sperm to be functional (able to fertilize the egg) until after 47) A) the tail disappears B) they have been stored in the uterus for several days C) they undergo capacitation D) they become spermatids 18) Milk ejection or letdown reflex is stimulated by which of the following hormones associated with 48) pregnancy? A) oxytocin B) prolactin C) inhibin D) gonadotropin 49) Estrogen and progesterone maintain the integrity of the uterine lining and prepare the mammary49) glands to secrete milk. Which of the following structures makes this possible during the first three months of pregnancy A) corpus luteum B) corona radiata C) the chorion D) the amnion 50) 50) The placenta, a vitaly important meabolic organ. is made up of a contribution from mother and s0) fetus. Which portion is from the fetus?r D) chorion A) umbilicus B) yolk sac C) amnion

Explanation / Answer

Answers

37. False
38. True
39. False
40. False
41. False
42. True
43. True
44. True
45. B) primitive streak
46. A) a nonfunctional zygote
47. C) they undergo capacitation
48. A) oxytocin
49. A) corpus luteum
50. D) chorion

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