Which structure forms the ejaculatory duct?
A) Seminal vesicle and vas deferens
B) Prostate and urethra
C) Testis and epididymis
D) Bulbourethral gland and urethra
📖 شرح: The ejaculatory duct is formed by the seminal vesicle duct and vas deferens.
الإجابة الصحيحة: A
Which structure is enclosed within the scrotum?
A) Prostate gland
B) Seminal vesicles
C) Testes
D) Ejaculatory ducts
📖 شرح: The testes are located within the scrotum.
الإجابة الصحيحة: C
Which cells support and nourish developing sperm within the seminiferous tubules?
A) Leydig cells
B) Sertoli cells
C) Theca cells
D) Macrophages
📖 شرح: Sertoli cells provide structural and metabolic support to developing sperm.
الإجابة الصحيحة: B
Which cells produce testosterone in the testis?
A) Sertoli cells
B) Leydig cells
C) Spermatogonia
D) Myoid cells
📖 شرح: Leydig cells synthesize testosterone in response to LH.
الإجابة الصحيحة: B
Which structure contains tight junctions forming the blood-testis barrier?
A) Leydig cells
B) Sertoli cells
C) Spermatids
D) Epididymal epithelium
📖 شرح: Sertoli cell tight junctions create the blood-testis barrier.
الإجابة الصحيحة: B
Which stage of sperm development is haploid?
A) Spermatogonia
B) Primary spermatocytes
C) Secondary spermatocytes
D) Sertoli cells
📖 شرح: Secondary spermatocytes are haploid following meiosis I.
الإجابة الصحيحة: C
Which structure stores sperm and allows them to gain motility?
A) Seminiferous tubules
B) Epididymis
C) Vas deferens
D) Prostate gland
📖 شرح: The epididymis stores sperm and enables maturation.
الإجابة الصحيحة: B
Which type of epithelium lines the epididymis?
A) Simple squamous epithelium
B) Stratified squamous epithelium
C) Pseudostratified columnar epithelium with stereocilia
D) Transitional epithelium
📖 شرح: The epididymis is lined by pseudostratified columnar epithelium with stereocilia.
الإجابة الصحيحة: C
Which structure contains smooth muscle that contracts during ejaculation?
A) Seminiferous tubules
B) Epididymis
C) Vas deferens
D) Seminal vesicle
📖 شرح: The vas deferens has thick smooth muscle layers for ejaculation.
الإجابة الصحيحة: C
Which cells undergo meiosis to form sperm?
A) Sertoli cells
B) Leydig cells
C) Spermatocytes
D) Myoid cells
📖 شرح: Spermatocytes undergo meiosis to produce spermatids.
الإجابة الصحيحة: C
Which structure contains stereocilia that aid in sperm absorption and maturation?
A) Prostate gland
B) Epididymis
C) Seminal vesicle
D) Bulbourethral gland
📖 شرح: The epididymis contains stereocilia for absorption and maturation.
الإجابة الصحيحة: B
Which part of the testis contains the seminiferous tubules?
A) Mediastinum testis
B) Tunica vaginalis
C) Tunica albuginea
D) Testicular lobules
📖 شرح: Seminiferous tubules are located within the testicular lobules.
الإجابة الصحيحة: D
Which structure is the site of fertilization in the female reproductive tract?
A) Ovary
B) Uterus
C) Ampulla of the fallopian tube
D) Cervix
📖 شرح: Fertilization typically occurs in the ampulla of the fallopian tube.
الإجابة الصحيحة: C
Which organ is responsible for housing and supporting a developing fetus?
A) Ovary
B) Uterus
C) Vagina
D) Fallopian tube
📖 شرح: The uterus supports fetal development.
الإجابة الصحيحة: B
Which structure connects the uterus to the vulva?
A) Fallopian tube
B) Ovary
C) Vagina
D) Cervix
📖 شرح: The vagina connects the cervix to the external genitalia.
الإجابة الصحيحة: C
Which structure produces female gametes?
A) Uterus
B) Ovary
C) Cervix
D) Vagina
📖 شرح: Ovaries produce oocytes.
الإجابة الصحيحة: B
Which part of the uterus is the narrow inferior region?
A) Fundus
B) Body
C) Isthmus
D) Cervix
📖 شرح: The cervix is the lower narrow portion of the uterus.
الإجابة الصحيحة: D
Which ligament attaches the ovary to the uterus?
A) Round ligament
B) Ovarian ligament
C) Broad ligament
D) Suspensory ligament
📖 شرح: The ovarian ligament connects the ovary to the uterus.
الإجابة الصحيحة: B
Which structure serves as the passageway for sperm to enter the uterus?
A) Ovary
B) Cervical canal
C) Fallopian tube
D) Vagina
📖 شرح: Sperm pass through the cervical canal to reach the uterus.
الإجابة الصحيحة: B
Which layer of the uterus is shed during menstruation?
A) Perimetrium
B) Myometrium
C) Endometrium
D) Serosa
📖 شرح: The endometrium is shed during menstruation.
الإجابة الصحيحة: C