Skip to main content
Back

UNIT FOUR TEST CH26

Control buttons has been changed to "navigation" mode.
1/97
  • What is the maturation process in which spermatids elongate and shed excess cytoplasm?


    Spermiogenesis

  • Mitosis results in ______, whereas meiosis results in ______.


    two diploid cells; four haploid cells

  • Sperm are produced in the __________ and mature in the __________.


    seminiferous tubules; epididymis

  • The three regions of the male urethra are __________.


    prostatic urethra, membranous urethra, and spongy urethra

  • Stimulation of interstitial cells to secrete testosterone occurs by __________.


    luteinizing hormone (LH)

  • Shortly after birth, the __________ may be removed from the penis during a procedure called circumcision.


    prepuce

  • Testosterone is produced by __________, which lie between the seminiferous tubules.


    interstitial cells

  • The process of producing the male gamete, __________, begins at puberty and continues throughout life.


    spermatogenesis

  • What stem cell begins the process of spermatogenesis?


    Spermatogonium

  • The countercurrent heat exchange preventing the testes from overheating takes place between the arterial blood and the __________.


    pampiniform plexus

  • How many spermatids result from one spermatogonium?


    4

  • Decline in male reproductive functions occur during __________.


    andropause

  • A(n) _____ is formed during fertilization, when the sperm and ovum fuse.


    zygote

  • The movement of sperm, testicular fluids, and secretions from the prostate gland and seminal vesicle into the urethra is known as __________.


    emission

  • Erection is:


    triggered by a parasympathetic reflex.

  • A white, milky, somewhat sticky mixture of sperm and fluids from accessory glands constitutes __________.


    semen

  • Meiosis is a special type of cell division that produces __________.


    gametes

  • Which of the following hormones is the primary regulator of spermatogenesis?


    Testosterone

  • If fertilization does not occur, the corpus luteum __________.


    degrades into the corpus albicans

  • Which of the following phases occurs first during the ovarian cycle?


    Follicular phase

  • The phases of the uterine cycle are:


    menstrual, proliferative, and secretory phases.

  • The female equivalent to the male penis is the __________.


    clitoris

  • In females, meiosis is not completed until __________.


    fertilization occurs

  • The internal female genitalia include the ovaries, uterine tubes, uterus, and __________.


    vagina

  • The primary function of the uterus is to __________.


    receive, protect, and nourish a fertilized ovum

  • Of the 2 million oogonia formed before birth that begin to undergo meiosis, only about __________ remain at puberty.


    300,000

  • Ovulation depends on which of the following factors?


    A surge of luteinizing hormone (LH)

  • Which of the following sexually transmitted infections (STIs) is linked with many cases of cervical cancer?


    Human papillomavirus (HPV)

  • Oogenesis in a female begins __________.


    before birth

  • The basic difference between spermatogenesis and oogenesis is that:


    in oogenesis, one mature ovum is produced, and in spermatogenesis, four mature sperm are produced from the parent cell.

  • Which portion of the uterus is shed during menstruation?


    Stratum functionalis of the endometrium

  • Assuming a 28-day ovarian cycle, on what day should ovulation occur?


    Day 14

  • In a female, follicle-stimulating hormone (FSH) and luteinizing hormone (LH) target the __________.


    ovaries

  • The part of the endometrium that undergoes cyclical changes in response to sexual hormonal levels is the __________.


    stratum functionalis

  • Female reproductive capabilities end and reproductive organs begin to atrophy during __________.


    menopause

  • Which of the following ducts travels through the prostate gland?


    ejaculatory duct

  • Which portion of the penis is called the foreskin?


    prepuce

  • What is the main female gonad?


    ovary

  • Where does fertilization usually occur?


    ampulla of the uterine tube

  • When are all oogonia formed in females?


    before birth

  • Which of the following is the first phase of the ovarian cycle?


    follicular phase

  • Which is NOT a bacterial sexually transmitted infection (STI)?


    genital herpes

  • Enlargement of the prostate gland can constrict the:


    ejaculatory duct.

  • If a couple want to have sexual intercourse, and they do not wish to use a behavior method as a form of birth control since they know it comes with high risk. What could be an alternative method?


    condoms

  • A male bodybuilder takes testosterone supplements to increase his muscle mass. After three weeks, which of the following do you expect to observe?


    Excess testosterone inhibits production of gonadotropin-releasing hormone (GnRH).

  • The reduction in the number of chromosomes to half the normal count occurs during


    meiosis

  • What shuffles the alleles and causes homologous chromosomes to no longer be identical during meiosis?


    crossing over

  • From one original cell, four genetically unique daughter cells, each with 23 nonreplicated chromosomes, are produced at the conclusion of meiosis II of spermatogenesis.


    True

  • During an erection, blood from the testicular arteries fills the vascular spaces of the corpus spongiosum of the penis.


    False

  • The round ligaments connect each ovary to the uterus and receive an oocyte during ovulation.


    False

  • Which of the following can be fertilized?


    secondary oocyte

  • What type of birth control may prevent pregnancy by manipulating the hormones and interfering with ovulation?


    hormonal method

  • Barrier methods of birth control prevent sperm from moving beyond the vagina and include condoms, diaphragms, cervical caps, and the sponge.


    True

  • The common viral sexually transmitted infections (STIs) are chlamydia, gonorrhea, syphilis, and trichomoniasis.


    False

  • The space between the labia minora, the ‘entryway’ to the vagina and urethra


    Vestibule

  • Consists of an internal and external sphincter that control defecation


    Anus

  • The female gonad


    Ovary

  • Deoxygenated blood is returned from the female gonad


    Ovarian vein

  • Thin, hairless ‘lips’ that form the vestibule and join anteriorly as the prepuce


    Labia minora

  • Stores urine for elimination


    Urinary bladder

  • The narrow neck of the uterus that extends into the vagina and dilates during childbirth


    Cervix

  • Smooth muscle This hood of skin covers the sensitive glans clitoris


    Prepuce of the clitoris

  • Stores feces and initiates the defecation reflex when stretched


    Rectum

  • This erectile tissue moves the labia apart during arousal to open the vestibule


    Vestibular bulb

  • This connective tissue anchors the ovary to the uterus


    Ovarian ligament

  • This gland opens into the vestibule and lubricates the opening to the vagina


    Vestibule gland

  • This female organ consists of erectile tissue anchored along the pubis bones that

    extends externally


    Clitoris

  • This round connective tissue anchors the uterus anteriorly


    Round ligament

  • Large, protective skin folds, these ‘lips’ contain fat and are covered in pubic hair after

    puberty


    Labia majora

  • Delivers oxygenated blood to the female gonad


    Ovarian artery

  • This muscular tube receives the penis during copulation and acts as the birth canal


    Vagina

  • tube that delivers urine from kidneys to urinary bladder


    Ureter

  • The ‘head’ of the clitoris, dense with sensory neurons


    Glans clitoris

  • Urine from the urinary bladder is eliminated through this tube


    Urethra

  • The organ where a fertilized ovum implants and grows; the ‘womb


    Uterus

  • This organ delivers ova from the ovary to uterus; fertilization usually occurs here


    Uterine tube

  • Urine elimination tube found in the corpus spongiosum of the penis


    Spongy urethra

  • Stores urine for elimination


    Urinary bladder

  • Portion of the urine elimination tube that runs through the prostate gland


    Prostatic urethra

  • Consists of an internal and external sphincter that control defecation


    Anus

  • This short tube delivers sperm and seminal vesicle fluid inside the prostate gland to the

    urethra


    Ejaculatory duct

  • This gland is inferior to the urinary bladder and secretes about 1/3 of the fluid found in

    semen


    Prostate gland

  • This tube delivers sperm from the testes to the seminal vesicles


    Ductus deferens

  • This net-like vessel returns deoxygenated blood from the male gonad and acts as a heat

    exchanger


    Pampiniform plexus

  • The ‘head’ of the penis, dense with sensory neurons


    Glans penis

  • The skin and muscle of this organ protects and regulates the temperature of the testis


    Scrotum

  • The softer erectile body along the inferior portion of the penis; the urethra is found here


    Corpus spongiosum

  • Delivers oxygenated blood to the male gonad


    Testicular artery

  • The male gonad


    Testis

  • Urine elimination tube that passes through pelvic floor


    Membranous urethra

  • These paired glands are posterior to the urinary bladder and secrete about 2/3 of the

    fluid found in semen


    Seminal vesicles

  • Long tube along the testes where sperm mature


    Epididymis

  • The two stiff erectile bodies of the penis found superiorly


    Corpora cavernosa

  • The male copulatory organ that enlarges during arousal


    Penis

  • Stores feces and initiates the defecation reflex when stretched


    Rectum

  • The ‘foreskin’ that protects the sensitive glans penis


    Prepuce

  • Smooth muscle tube that delivers urine from kidneys to urinary bladder


    Ureter