A&P II Chapter 27 & 28 Lab – Flashcards

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The essential organs of reproduction are the __________, which produce the sex cells.
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gonads
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The paired oval testes lie in the __________ outside the abdominopelvic cavity, where they are kept slightly cooler than body temperature.
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scrotum
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After sperm are produced, they enter the first part of the duct system, the __________.
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epididymis
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The prostate, seminal glands, and bulbo-urethral glands produce __________, the liquid medium in which sperm leaves the body.
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seminal fluid
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The __________ produce testosterone, the hormonal product of the testis.
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interstitial endocrine cells
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The endocrine products of the ovaries are estrogen and __________.
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progesterone
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The __________ is/are homologous to the penis.
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clitoris
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The __________ is a pear-shaped organ that houses the embryo or fetus during its development.
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uterus
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The __________, the thick mucosal lining of the uterus, has a superficial layer that sloughs off periodically.
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endometrium
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A developing egg is ejected from the ovary at the appropriate stage of maturity in an event known as __________.
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ovulation
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What urinary tract structure does an enlarged prostate usually compress, making urination difficult in an individual suffering from benign prostatic hyperplasia (BPH)?
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urethra
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Which condition, other than BPH, would you expect to cause a rise in the level of prostate specific antigen (PSA)?
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prostatitis
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Which of the following is the site where sperm are stored until they are ejaculated?
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tail of the epididymis
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If a male undergoes a vasectomy, which of the following can no longer take place?
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passage of sperm cells from the epididymis to the penis
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Which of the following is/are contained within the spermatic cord?
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testicular arteries and veins
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Which portion of the penis is removed during circumcision?
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prepuce (foreskin)
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Which of these male accessory ducts transports both sperm cells and urine?
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urethra
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Which of these does NOT empty materials into the area of the prostatic urethra?
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bulbo-urethral gland
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What part of the female system is the usual site of fertilization of the ovulated oocyte?
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uterine (fallopian) tube
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Which layer of the uterus is made of smooth muscle?
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myometrium
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Which of the following represents the correct pathway of the egg after leaving the ovary and entering the uterine tube?
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infundibulum, ampulla, isthmus, uterus
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Which of these structures directly encloses the vestibule?
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labia minora
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Which structure(s) of the female's external genitalia has/have erectile tissue?
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clitoris
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Which of these would be included in the female peritoneum but NOT the urogenital triangle?
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anus
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What part(s) of the breast produce(s) milk?
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alveoli
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The mammary glands are classified as being part of which of the following systems?
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integumentary system
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What is the pigmented ring of skin surrounding the nipple?
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areola
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Which part of this reproductive organ is highlighted? fundus cervix vagina body
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body
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Which part of this reproductive organ is highlighted? vagina ovary clitoris cervix
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cervix
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What hormone would cause mucus secreted by the highlighted structure to be thicker and stickier? estrogen luteinizing hormone follicle stimulating hormone progesterone
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progesterone
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Which structures are highlighted? prepuce corpora cavernosa corpus spongiosum spongy urethra
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corpora cavernosa
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Which structure is highlighted? corpus spongiosum glans penis prostatic urethra prostate
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corpus spongiosum
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Which structure is highlighted? epididymis seminal vesicle ductus deferens testis
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ductus deferens
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What happens to a sperm as it passes through the highlighted structure? It remains immature and immobile. It becomes mobile and capable of fertilization. It divides, producing new sperm. It fertilizes any eggs.
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It becomes mobile and capable of fertilization.
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What is a function of the highlighted structure? to produce hormones that will assist with oocyte development to sweep a released ovum into the uterine tube to provide a site of implantation for a fertilized egg to help regulate the temperature of the ovaries
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to sweep a released ovum into the uterine tube
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Which part of this reproductive organ is highlighted? vagina fundus body cervix
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fundus
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Which structures are highlighted? vestibular bulbs corpora cavernosa labia majora labia minora
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labia minora
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Which structure is highlighted? round ligament broad ligament ovarian ligament uterine tube
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round ligament
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Which structure is highlighted? corpus spongiosum glans penis tunica albuginea corpus cavernosum
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glans penis
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Which structure is highlighted? right ovary right ovarian ligaments right uterine tube right round ligaments
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right uterine tube
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Which structure is highlighted? epididymis scrotum testis penis
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scrotum
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Which structure is highlighted? ejaculatory duct prostatic urethra membranous urethra spongy urethra
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spongy urethra
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Which organ is highlighted? epididymis testis spermatic cord scrotum
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testis
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Which structure is highlighted? scrotum internal spermatic fascia tunica albuginea tunica vaginalis
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tunica albuginea
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What muscle is responsible for voluntary release of urine from the highlighted organ into the urethra? external urethral sphincter internal urethral sphincter trigone muscle detrusor muscle
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external urethral sphincter
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Which organ is highlighted? rectum urinary bladder ovary uterus
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urinary bladder
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What type of epithelium lines the highlighted structure? stratified squamous pseudostratified columnar transitional simple columnar
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stratified squamous
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Which structure is highlighted? antrum primary follicle corpus luteum vesicular (mature) follicle
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antrum
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Which structure is highlighted? basal lamina areolar connective tissue basement membrane basal layer of epithelium
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basement membrane
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Which structure in the testis is highlighted? tunica vaginalis tunica albuginea adventitia cortex
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tunica albuginea
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Which hormone is secreted by the highlighted cells? follicle stimulating hormone estrogen progesterone prolactin
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progesterone
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Which structure is highlighted? collagen fibers elastic fibers tails of sperm heads of sperm
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tails of sperm
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Which structure is highlighted? spermatogonia sustentacular cell nuclei spermatids primary spermatocytes
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spermatogonia
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Which structure is highlighted? primary spermatocytes sperm spermatogonia spermatids
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sperm
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Which structure is highlighted? secondary follicle primordial follicle primary follicle atretic follicle
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secondary follicle
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Which structure is highlighted? primordial follicle primary follicle oocyte secondary follicle
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primary follicle
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Which structure is highlighted? theca lutein cells granulosa lutein cells granulosa cells connective tissue septa
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granulosa lutein cells
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Which structure is highlighted? fibroblast nuclei heads of sperm red blood cells tails of sperm
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heads of sperm
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Which structure is highlighted? sustentacular cell nuclei interstitial cells primary spermatocyte spermatids
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sustentacular cell nuclei
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Which structure is highlighted? zona pellucida theca interna granulosa cells corona radiata
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granulosa cells
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Which hormones secreted by the ovary induce development of the highlighted layer during the proliferative phase of the uterine cycle? estrogen follicle stimulating hormone (FSH) luteinizing hormone (LH) progesterone
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estrogen
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Which structure is highlighted? endometrium antrum cortex medulla
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cortex
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Which structure is highlighted? corpus albicans corpus luteum antrum vesicular follicle
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corpus luteum
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Which structure is highlighted? connective tissue septa corpus albicans theca lutein cells granulosa lutein cells
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connective tissue septa
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Which structure is highlighted? theca interna corona radiata zona pellucida granulosa cells
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corona radiata
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Human gametes contain __________ chromosomes.
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23
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The end product of meiosis is __________.
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four haploid daughter cells
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A grouping of four chromatids, known as a __________, occurs only during __________.
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tetrad; meiosis
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__________ extend inward from the periphery of the seminiferous tubule and provide nourishment to the spermatids as they begin their transformation into sperm.
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Sustentocytes
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The __________ of the sperm contains enzymes involved in the penetration of the egg.
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acrosome
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Within each ovary, the immature ovum develops in a saclike structure called a __________.
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follicle
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As the primordial follicle grows and its epithelium changes from squamous to cuboidal cells, it becomes a(n) __________ and begins to produce estrogens.
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primary follicle
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A sudden release of luteinizing hormone by the anterior pituitary triggers ovulation.
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True
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The __________ is a solid glandular structure with a scalloped lumen that develops from a ruptured follicle.
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corpus luteum
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The __________ phase of the female cycle occurs from days 1-5 and is signaled by the sloughing off of the thick functional layer of the endometrium.
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menstrual
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What peritoneum-associated cell is thought to develop into endometrial tissue, causing endometriosis?
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mesothelium
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All of the following conditions occurring in the left lower abdominal region could be misdiagnosed as endometriosis EXCEPT for __________.
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appendicitis
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Which of the following is the final product of spermiogenesis?
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spermatozoa
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Which of these cells would contain 23 unpaired chromosomes?
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early spermatids
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Which of the following cells remains at the basal lamina to continue the pool of dividing germ cells?
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type A daughter cells
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Which of the following cells is released during ovulation?
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secondary oocyte
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Which of these is true regarding primary oocytes?
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They contain chromosomal tetrads.
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What is the main difference between oogenesis and spermatogenesis in terms of meiosis?
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The number of functional gametes produced is different.
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What event coincides with the transition from the proliferative phase to the secretory phase?
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ovulation
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During what phase of the female's uterine cycle is the uterine lining shed?
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menstrual phase
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What ovarian structure forms at the beginning of the secretory phase, encouraging its progress, and then degenerates just before menses?
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corpus luteum
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The fertilized egg, or __________, appears as a single cell surrounded by a fertilization membrane and a jellylike membrane.
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zygote
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The uniting of the egg and sperm nuclei is known as __________.
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fertilization
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Cleavage is a series of mitotic divisions without any intervening growth periods and results in a multicellular embryonic body.
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True
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As a result of gastrulation, a __________-layered embryo forms, with each layer corresponding to a primary germ layer.
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three
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The __________ implants in the uterine wall.
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blastocyst
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The __________ gives rise to the epidermis of the skin and the nervous system.
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ectoderm
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By the ninth week of development, the embryo is referred to as a __________.
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fetus
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The placenta is composed solely of embryonic membranes.
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False
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The __________ encases the young embryonic body in a fluid-filled chamber that acts to protect the developing embryo against trauma.
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amnion
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Which of the following implants in the mucosa of the endometrium?
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blastocyst
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A morula has approximately 16 cells. What is the rate of mitotic division that takes place between the 4-cell stage and the morula?
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12 hours per cell division
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The 4-cell stage occurs 2 days after fertilization. How much time passes between the 4-cell stage and implantation?
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5 days
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Together, what do the decidua basalis and the chorionic villi form?
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placenta
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Which of these is the innermost (closest) structure that envelops the embryo?
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amnion
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Which of these statements regarding the embryo is FALSE?
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The embryo's blood supply mixes with that of the mother.
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