front 1 The main control center of the female reproductive system is the | back 1 hypothalamus |
front 2 Onset of puberty in both sexes is signaled by increases in levels of | back 2 LH |
front 3 Oral contraceptives for female typically contain | back 3 progestin & estrogen |
front 4 Repair of the endometrium during the preovulatory phase of menstruation is due to rising levels of | back 4 estrogen |
front 5 The female structure that is homologous to the scrotum is the | back 5 labia majora |
front 6 Type of the epithelium of vaginal mucosa is | back 6 stratified squamous |
front 7 Sertoli cells produce | back 7 androgen-binding protein |
front 8 The immune system doesn’t normally attack spermatogenic cells because | back 8 are protected by blood-testis barrier |
front 9 During spermatogenesis, which of the following undergoes a meiotic division to produce haploid cells? | back 9 first sperma tocytes (primary) |
front 10 In male, LH causes | back 10 testosterone production |
front 11 Final maturation of sperm cells occurs in the | back 11 Epididymis |
front 12 Like spermatogonia these cells are diploid (46 chromosomes)? | back 12 primary spermatocytes |
front 13 The acrosome of a sperm cell contains | back 13 hyaluronidase for egg penetration. |
front 14 The principal androgen is | back 14 testosterone |
front 15 Seminal vesicles produce | back 15 fructose-rich fluid |
front 16 A normal mature human spermatozoa contains | back 16 23 chromosomes |
front 17 The oogenesis begins in females | back 17 before birth |
front 18 ALL of the following are functions of estrogens | back 18 help control fluid and electrolyte balance.
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front 19 During the menstrual cycle, progesterone is produced by | back 19 the corpus luteum. |
front 20 The main function of progesterone during the menstrual cycle is to | back 20 thicken the endometrium. |
front 21 ALL of the following are sympathetic responses during sexual intercourse | back 21 peristalsis in the ductus deferens.
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front 22 The drug Viagra enhances the effects of __________ in the penis. | back 22 nitric oxide |
front 23 The role of nitric oxide in the erection of the penis is to __________. | back 23 relax smooth muscle in penile arteries |
front 24 Ovulation is triggered by a surge in the level of the hormone __________. | back 24 LH |
front 25 During the ovarian preovulatory phase, the uterus is in its __________ phase in which endometrial mass doubles under the influence of __________. | back 25 proliferative; estrogens |
front 26 Inhibin primarily inhibits secretion of __________. | back 26 FSH |
front 27 About 60% of the volume of semen is contributed by the __________. | back 27 seminal vesicles |
front 28 The spermatic cord passes through an opening in the anterior abdominal wall called the __________. | back 28 inguinal canal |
front 29 In the prostate and seminal vesicles, 5 alpha-reductase converts testosterone to a more potent androgen called __________. | back 29 dihydrotestosterone (DHT) |
front 30 The blood-testis barrier is formed just internal to the basement membrane of the seminiferous tubules by tight junctions between __________ cells. | back 30 Sertoli |
front 31 The testicular artery, veins, autonomic nerves, lymphatic vessels, and the cremaster muscle together constitute the __________. | back 31 spermatic cord |
front 32 The vascular changes resulting in an erection are the result of a __________ reflex. | back 32 parasympathetic |
front 33 Inheritance of the ABO blood type is an example | back 33 codominance |
front 34 Once hCG levels decrease, estrogen and progesterone are secreted mainly by | back 34 placenta |
front 35 Deoxygenated fetal blood is carried to the placenta via | back 35 umbilical artery |
front 36 Which of the following has occurred by the end of the first month of development | back 36 The heart has formed and begun beating |
front 37 The endometrium is digested by enzymes released from the | back 37 trophoblast |
front 38 The portion of the endometrium that becomes the maternal portion of the placenta | back 38 deciduas basalis |
front 39 At day 4 after fertilization, the solid ball of cells that has formed is called the | back 39 morula |
front 40 What percentages of sperm cells introduced into vagina normally reach the oocyte? | back 40 less than 1% |
front 41 What is the next event following syngamy? | back 41 depolarization & release of calcium ions by the |
front 42 Two lab tests which are commonly used in the hospital to find out the early genetic fetus disorders. Which two? Test what? What is the difference between these two tests? | back 42 Amniocentesis- 14-16 wks, genetic disorders
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front 43 Mucous membrane lining the uterus | back 43 Endometrium |
front 44 The term capacitation refers to | back 44 functional changes that sperm undergo in the female reproductive tract that allow them to fertilize the secondary oocyte. |
front 45 The term syngamy refers to the | back 45 a sperm cell's penetration of the zona pellucida and entry into a secondary oocyte. |
front 46 Implantation usually occurs in the | back 46 posterior wall of the body or fundus of the uterus. |
front 47 The human gestation period is about | back 47 38 weeks. |
front 48 The embryonic period of development covers what time period? | back 48 the first two months following fertilization |
front 49 For fertilization to occur, a sperm must penetrate | back 49 corona radiata.
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front 50 The “water” referred to when a woman's “water breaks” prior to delivery is | back 50 amniotic fluid released when the amnion ruptures. |
front 51 The reason the corpus luteum is maintained in early pregnancy is to | back 51 keep levels of estrogen and progesterone high enough to maintain the endometrium. |
front 52 Human chorionic gonadotropin is produced by the | back 52 trophoblast cells of the chorion. |
front 53 Peak secretion of hCS occurs | back 53 late in the third trimester. |
front 54 In a pregnant woman, decreased utilization of glucose and increased release of fatty acids from adipose tissue are promoted by the hormone | back 54 hCS. |
front 55 Early pregnancy tests are based on detection of what substance in the urine? | back 55 hCG |
front 56 What event marks the beginning of the stage of expulsion in true labor? | back 56 complete cervical dilation |
front 57 The observable characteristics of a person's genetic makeup are known as the | back 57 phenotype. |
front 58 An individual whose alleles for a particular trait are the same is said to be | back 58 homozygous. |
front 59 The two alternative forms of a gene that code for the same trait and are at the same locus on homologous chromosomes are called | back 59 alleles. |
front 60 A person is heterozygous for a particular trait if he/she has | back 60 one dominant allele and one recessive allele for the trait. |
front 61 If two genes for a trait are expressed equally in a heterozygote, they are said to be __________. | back 61 codominant |
front 62 The hormone __________ inhibits uterine contractions; the hormone __________ promotes uterine contractions. | back 62 progesterone/oxytocine |
front 63 The part of the female reproductive tract in which fertilization normally occurs is the __________. | back 63 Uterine tube |