front 1 Which of the following is housed within the spermatic cord? | back 1 testicular arteries and veins |
front 2 Which of the following is the site where sperm are stored until they are ejaculated? | back 2 tail of the epididymis |
front 3 Which cells produce androgens such as testosterone? | back 3 interstitial endocrine (Leydig) cells |
front 4 Which of these male accessory ducts transports both sperm and urine? | back 4 Urethra |
front 5 Which portion of the penis is removed through a procedure known as circumcision? | back 5 prepuce (foreskin) |
front 6 During vasectomy, what accessory duct is cut as a form of birth control? | back 6 ductus (vas) deferens |
front 7 Sperm is produced in the __________ of the testes. | back 7 seminiferous tubules |
front 8 Sperm are stored in the __________. | back 8 epididymis |
front 9 Which of the following does NOT add substances to seminal fluid? | back 9 urethra |
front 10 Viable sperm production is optimal at the body's core temperature. | back 10 FALSE |
front 11 The number of chromosomes in a human gamete is __________; this is referred to as the __________ chromosome number. | back 11 23; haploid |
front 12 Genetic variation of individual chromosomes occurs during __________. | back 12 prophase I |
front 13 Enzymes that allow sperm to penetrate the egg are located in the __________ of the sperm cell. | back 13 Acrosome |
front 14 The release of __________ encourages interstitial endocrine cells to release __________. | back 14 luteinizing hormone; testosterone |
front 15 What part of the female duct system is the usual site of fertilization of the ovulated oocyte? | back 15 uterine (fallopian) tube (oviduct) |
front 16 Which layer of the uterine wall is made of smooth muscle? | back 16 Myometrium |
front 17 Which specific layer of the uterus is shed during menstruation, approximately every 28 days? | back 17 stratum functionalis of the endometrium |
front 18 Specifically, what encloses the vestibule which houses the openings of the urethra and vagina? | back 18 labia minora |
front 19 Which structure of the female's external genitalia has erectile tissue like the penis? | back 19 Clitoris |
front 20 What are the two fatty, hair-covered skin folds that run posteriorly from the mons pubis? | back 20 labia majora |
front 21 What part of the breast produces milk? | back 21 alveoli |
front 22 The mammary glands belong to which of the following systems? | back 22 integumentary system |
front 23 What is the pigmented ring of skin situated slightly below the center of each breast? | back 23 Areola |
front 24 The __________ connects the uterus to the vagina. | back 24 Cervix |
front 25 The __________, a layer of the endometrium, is shed during each menstruation and is then regenerated by the __________. | back 25 stratum functionalis; stratum basalis |
front 26 Which of the following is FALSE regarding the vagina of an adult female? | back 26 The pH of the adult vagina is alkaline. |
front 27 Which of the following cells is released during ovulation? | back 27 secondary oocyte |
front 28 Why CAN'T polar bodies be fertilized? | back 28 Polar bodies lack nutrient-containing cytoplasm. |
front 29 How many functional gametes are produced by oogenesis? | back 29 one functional gamete |
front 30 What event occurs during the proliferative phase? | back 30 ovulation |
front 31 During what phase of the female's uterine (menstrual) cycle is the uterine lining shed? | back 31 menstrual phase |
front 32 What hormone promotes ovulation? | back 32 luteinizing hormone (LH) |
front 33 A surge in __________ directly triggers ovulation. | back 33 luteinizing hormone (LH) |
front 34 During the secretory phase of the uterine cycle __________. | back 34 the endometrium prepares for implantation |
front 35 Which of the following is an effect of estrogen in females? | back 35 promotes oogenesis |
front 36 Which of the following is considered a primary sex organ in females? | back 36 Ovary |
front 37 Once sperm are deposited into the vagina, sperm motility must be enhanced and they must be prepared to release hydrolytic enzymes from their acrosomes. What is this process called? | back 37 capacitation |
front 38 What is the event that results when the maternal and paternal chromosomes combine? | back 38 fertilization |
front 39 The fertilized egg is known as the | back 39 zygote |
front 40 Sperm freshly deposited in the female vagina are incapable of fertilizing an egg. What must happen first? | back 40 Capacitation |
front 41 Which of the following implants in the mucosa of the endometrium? | back 41 blastocyst |
front 42 What is the 16-cell stage known as? | back 42 Morula |
front 43 How much time passes after fertilization until implantation occurs? | back 43 7 days |
front 44 What releases human chorionic gonadotropin (hCG)? | back 44 ? |
front 45 What membrane does the trophoblast form after implantation? | back 45 chorion |
front 46 What is the function of the placenta? | back 46 The placenta functions as a nutritive, respiratory, excretory, and endocrine organ for the developing embryo. |
front 47 Which of the following is the correct sequence of development from zygote to embryo? | back 47 cleavage, morula, blastocyst, gastrula |
front 48 What structure(s) ultimately form(s) the placenta? | back 48 decidua basalis and chorionic villi |
front 49 What does the hormone relaxin promote? | back 49 Relaxin promotes the relaxation, widening, and increased flexibility of the pelvic ligaments and pubic symphysis. |
front 50 While human chorionic gonadotropin levels spike and sharply decline to reach a low value by four months, estrogen and progesterone levels steadily increase over the course of the pregnancy. | back 50 TRUE |
front 51 The sole responsibility of the placenta is to supply the fetus with oxygen and nutrients. | back 51 FALSE |
front 52 What role does oxytocin play in promoting labor? | back 52 Oxytocin stimulates the uterus to contract. |
front 53 Which of the following serves as the trigger to begin the vigorous, rhythmic contractions of true labor? | back 53 prostaglandins |
front 54 During pregnancy, which hormone is responsible for stimulating maturation of the breast for lactation? | back 54 human placental lactogen (hPL) |
front 55 __________ extends from the last menstrual period until birth, which is approximately 280 days. | back 55 A gestation period |