Quiz 31: Reproductive and Development

-Identify the structure labeled "c." A)Bulbourethral gland B)Ejaculatory duct C)Ductus deferens D)Seminal vesicle

-Identify the structure labeled "i." A)Scrotum B)Testis C)Epididymis D)Urethra

Which structure travels through the spermatic cord? A)Epididymis B)Testis C)Urethra D)Ductus deferens

Which structure is the male copulatory organ? A)Prostate gland B)Urethra C)Testis D)Penis

-Identify the structure labeled "d." A)Uterine tube B)Uterus C)Vagina D)Ovary

Which structure is the uterus? A)A B)B C)C D)D

Which structure is the site of implantation? A)Ovary B)Uterine tube C)Vagina D)Uterus

Which term describes the female external genitalia? A)Vulva B)Uterine tube C)Vagina D)Ovary

What is spermatogenesis? A)Growing the tail of the sperm B)Making ova C)Producing sperm D)Making oocytes

Where does oogenesis primarily occur? A)Testis B)Ovary C)Uterine tube D)Uterus

What is the purpose of meiosis? A)To produce genetically identical diploid gametes B)To produce genetically unique haploid gametes C)To produce genetically identical haploid gametes D)To produce genetically unique diploid gametes

Which prenatal period lasts from week 9 until birth? A)Fetal period B)Pre-embryonic period C)Embryonic period D)Gestational period

What stage of the developing embryo implants into the endometrium of the uterus? A)Blastocyst B)Cleavage C)Morula D)Zygote

Which embryonic germ layer differentiates into the bones and muscles? A)Periderm B)Ectoderm C)Endoderm D)Mesoderm

What structure connects the placenta to the embryo? A)Yolk sac B)Chorion C)Amnion D)Umbilical cord

-Identify the structure labeled "d." A)Amnion B)Yolk sac C)Chorion D)Allantois

Which letter corresponds to the yolk sac? A)D B)A C)C D)E

-Identify the structure labeled "e." A)Prostate gland B)Spermatic cord C)Ductus deferens D)Seminal vesicle

-Identify the structure labeled "g." A)Penis B)Testis C)Epididymis D)Scrotum

Where do sperm undergo maturation? A)Ductus deferens B)Epididymis C)Testis D)Seminal vesicle

Where is the testis located? A)Inside the scrotum B)Inside the pelvis cavity C)Lateral to the bladder D)Medial to the prostate

-Identify the structure labeled "a." A)Uterus B)Ovary C)Clitoris D)Uterine tube

-Identify the structure labeled "h." A)Labia majora B)Labia minora C)Vagina D)Cervix

What structure anchors the ovary to the uterus? A)Broad ligament B)Ovarian ligament C)Suspensory ligament D)Round ligament

What structure in the female is composed of erectile tissue? A)Clitoris B)Labia minora C)Mons pubis D)Perineum

Which statement best describes a secondary spermatocyte? A)It is a haploid gamete. B)It undergoes meiosis II. C)It undergoes meiosis I. D)It is a stem cell.

Which statement best describes a spermatid? A)It undergoes spermatogenesis. B)It undergoes meiosis II. C)It is a stem cell. D)It undergoes meiosis I.

-Identify the cell labeled "e." A)Sperm B)Sustentacular cell C)Interstitial cell D)Spermatogonium

-Identify the cell labeled "c." A)Interstitial cell B)Spermatogonium C)Sperm D)Developing sperm

Which description is true for a primary oocyte? A)It is arrested in metaphase II. B)It is a mature follicle. C)It is arrested in prophase I. D)It is formed before birth.

Which description is true for a secondary oocyte? A)It is a mature follicle. B)It is formed before birth. C)It is arrested in metaphase II. D)It is arrested in prophase I.

-Identify the cell labeled "b." A)Vesicular follicle B)Primordial follicle C)Secondary follicle D)Primary follicle

-Identify the cell labeled "f." A)Corpus albicans B)Ruptured follicle C)Corpus luteum D)Vesicular follicle

Which statement is true of spermatogenesis but not of oogenesis? A)It involves meiosis. B)It occurs completely in the gonad. C)It produces haploid gametes. D)It is controlled by hormones.

Which statement is true of both spermatogenesis and oogenesis? A)It produces haploid gametes. B)It begins at puberty. C)It occurs completely in the gonad. D)It involves equal divisions of cytoplasm.

What two structures merge to form a zygote? A)Sperm and an ovum B)Sperm and a secondary oocyte C)Spermatocyte and a secondary oocyte D)Spermatid and an ovum

What is it called when a series of rapid mitotic divisions produces many small, genetically identical cells? A)Cleavage B)Morula C)Gametogenesis D)Fertilization

During which period of prenatal development is growth very rapid and is characterized by the maturation of the organs and tissues? A)Morula B)Embryonic C)Cleavage D)Fetal

Which organ or structure is clearly visible in a 4-week-old embryo? A)Fingers B)Eyes C)Ears D)Fingers, eyes, and ears are all clearly visible.

Which development occurs in the seventh month of fetal development? A)The blastocyst folds and forms rudimentary organs. B)Fat is deposited in subcutaneous tissues, and the eyelids can completely open. C)Eyelids partially open, and the lungs begin to produce surfactant. D)Skeletal muscles start to contract, and lanugo covers the skin.

Which development occurs in the eighth and ninth months of fetal development? A)Eyebrows and eyelashes appear over partially open eyelids. B)Eyelids partially open and the lungs begin to produce surfactant. C)Neuron networks form, lanugo is shed, and blood cells form in the bone marrow. D)Fat is deposited in subcutaneous tissues, and the eyelids can completely open.

What extraembryonic membrane forms parts of the urinary bladder? A)Amnion B)Yolk sac C)Allantois D)Chorion

What extraembryonic membrane allows for the symmetrical development of the embryo? A)Amnion B)Allantois C)Chorion D)Yolk sac

Which is a function of the placenta? A)It stimulates fetal blood cell production. B)It produces hormones that keeps the pregnancy viable. C)It directs organogenesis. D)It is first immune organ of the fetus.

After leaving the rete testis, sperm travel to which of the following structures? A)Epididymis B)Ductus deferens C)Straight tubule D)Seminiferous tubule

Which accessory gland is that last to add contents to the semen before the semen enters the urethra? A)Bulbourethral B)Prostate C)Seminal vesicles D)Urethral glands

Identify the internal structure that connects the uterus to the vaginal orifice. A)Vagina B)Cervix C)Labia minora D)Broad ligament

Identify the paired structure within a cross-section of the penis. A)Corpora cavernosa B)Corpus spongiosum C)Urethra D)Lumen

Identify the ovarian follicle in which simple cuboidal follicular cells are first present. A)Primary follicle B)Primordial follicle C)Secondary follicle D)Vesicular follicle