Reproductive System Ch 28

25 July 2022
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How many pairs of autosomes are found in human somatic cells? (autosomes do not include the sex chromosomes)
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22
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Autosomes do not contain the genetic information that determines ___. Eye color Sex Skin pigmentation Height
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Sex
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Both men and women have an X chromosome.
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True Women XX Men XY
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Haploid cells contain 23 pairs of chromosomes.
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False (Haploid cells contain 23 individual chromosomes. They are not paired. Sex cells are an example.
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Whereas, the process of mitosis yields two daughter cells, the process of meiosis yields ___ daughter cells.
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4
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The follicles are found in the ovarian ______.
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cortex
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Parent cells that produces oocytes are called:
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oogonia
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Which are phases of the ovarian cycle? Menstrual phase Proliferative phase Follicular phase Luteal phase Ovulation
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Follicular phase, ovulation, luteal phase
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Which is true of a secondary oocyte? It is nonfunctional and will degenerate. It has a potential to be fertilized by sperm. It contains a tiny amount of cytoplasm.
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It has a potential to be fertilized by sperm.
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A females first menstrual cycle is called ____.
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menarche
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When a woman has stopped having monthly menstrual cycles for a year she is said to be in _______.
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menopause
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Which process occurs in the uterine tube? Ovulation Implantatioin Coltus Fertillization
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Fertillization
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The fingerlike extensions of the uterine tube are called
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fimbriae
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A tubal pregnancy is a type of ____ pregnancy.
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ectopic
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Which endometrial layer is shed during menstruation?
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stratum functionalis
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The surgical removal of the entire uterus is called a ___.
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hysterectomy
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The female labia ____ are homologous to the male scrotum.
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majora
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The female ___ is homologous to glans penis of the male.
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ciltoris
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The rosy or brownish ring surrounding the nipple is called the _____.
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areola
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Which form of contraception helps protect against sexually transmitted infections? Condom Oral contraceptive Diaphragm Intrauterine device
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Condom
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Each of your body cells has ___ chromosomes from your mother and ____ chromosomes from your father.
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23 23
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Which is true of diploid cells? They are designated as "n" A sperm cell is an example of a diploid cell. They contain 23 chromosomes. They contain 23 pairs of chromosomes.
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They contain 23 pairs of chromosomes.
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Adult ovaries are approximately the size of _____.
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an almond
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When does oogenesis begin?
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before birth
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If the secondary oocyte is not fertilized by a spermatozoon, it will degenerate in approximately ____ hour(s).
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24
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Which hormones are produced by the corpus luteum? Estrogen Follicle stimulating hormone GnRH Progesterone Leutinizing hormone
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Estrogen, progesterone
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Menopause typically occurs at what age?
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4.5-5.5
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After fertilization, the pre-embryo secretes a hormone called human ____ gondadotropin that stimulates the corpus luteum.
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chorionic
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The most inferior portion of the uterus is the ____.
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cervix
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In which layer of the uterus are the uterine glands found?
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endometrium
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The anatomical term for the transverse folds inside the vagina is _____.
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rugae
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The female external genitalla are also called the ____.
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vulva
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Ovulation is induced by a peak in ___ secretion.
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LH
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Where does implantation of the pre-embryo usually occur?
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uterus
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The largest part of the uterus is the _____.
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body
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Which of the following are functions of the vagina? Tube used for urination Canal for birth Receives the penis during intercourse Housing of developing embryo Passageway for menstruation Secretion of estrogen
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canal for birth, receives the penis during intercourse, passageway for mestruation
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The areola, surrounding the nipple, is often darker in a ____ woman.
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parous (women who has given birth)
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Which structure in the mother's body helps from the placenta around the fetus?
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Uterus
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What is the ridge-like seam along the midline of the scrotum called?
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raphe
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The cremaster muscle is an extension of the __ muscle.
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internal oblique
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The pampinform plexus is a network of __ in the spermatic cord.
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veins
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The testes are housed within the sac-like ______.
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scrotum
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The thick whitish layer surrounding the testis is the ___.
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tunica albuginea
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The __ tubules are found within the lobules of the testes.
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seminiferous
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Inhibin is released by the ___ of the testes.
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sustentacular cells
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The sustenacular cells form the ___ testis barrier.
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blood
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Leydig cells are also called
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interstitial cells
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___ is the process of sperm development that occurs within the seminiferous tubules.
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Spermatogensis
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When does spermatogenesis begin?
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puberty
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The primordial germ cells that produce sperm are called
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spermatogonia
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Which statements characterize spermatogonia? They are the parent stem cells that produce sperm. They are haploid cells. They reside in female gonads. They reside in male gonads. They are diploid cells.
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They are diploid cells, They reside in male gonads, they are the parent stem cells that produce sperm
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Spermatids ______.
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have a circular appearance
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Name the process where spermatids become mature spermatozoa.
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spermiogensis
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The ____ region of sperm contains many mitochondria that provide the energy needed to move the tail.
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neck
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What is the most frequently reported bacterial STD in the United States?
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Chlamydia
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Which STD is caused by Treponema pallidum?
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syphilis
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The rete testes are lined by ___ epithelium.
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simple cuboidal
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Once formed, spermatozoa are stored in the ___ until they are fully mature and capable of being motile.
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epididymis
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The ejaculatory duct opens into the ___ urethra.
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prostatic
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Rank the regions of the urethra in the order that ejaculate would travel through them. Membranous urethra Prostatic urethra Spongy urethra
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Prostatic urethra, membranous urethra, spongy urethra
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Which of the following structures produce seminal fluid? Seminal vesicles Prostate gland Ejaculatory duct Epididymis Penis Bulbourethral glands
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seminal vesicles, prostate gland, bulbourethral glands
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The seminal vesicles secretes a viscous, whitish-yellow fluid containing the sugar ___ to nourish the sperm.
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fructose
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The prostate gland is immediately ___ to the bladder.
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inferior
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Benign prostatic hyperplasia is cancerous.
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False
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Digital rectal exams are an effective way of screening for ___ cancer.
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prostate
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Which gland produces mucus that lubricates the urethra prior to ejaculation?
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bulbourethral gland
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The average ejaculation contains ____ sperm.
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200-500 million
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The anatomical term for the tip of the penis is called the
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glans
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Which erectile body of the penis is paired?
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corpus cavernosum
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____ innervation of the penis is responsible for erection.
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parasympathetic