Block 7 Male Female Repro MCQ's

11 Questions | Total Attempts: 325

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Block 7 Male Female Repro MCQ

Questions and Answers
  • 1. 
    When both testes fail to develop, all of the following events occur except:
    • A. 

      Mullerian-inhibiting factor is absent

    • B. 

      Mesonephric ducts regress

    • C. 

      External genitalia are the male type.

    • D. 

      Paramesonephric ducts do not regress.

    • E. 

      Masculinity is repressed

  • 2. 
    What is the pivotal change in the hypothalamic-pituitary-gonadal axis that defines the onset of puberty in the male?
    • A. 

      Suppression of luteinizing hormone (LH) and follicle stimulating hormone (FSH).

    • B. 

      Reduced synthesis of estradiol by extragonadal tissue.

    • C. 

      Enhanced synthesis of androstenedione by extragonadal tissue.

    • D. 

      Increased frequency and amplitude for release of gonadotropin releasing hormone (GnRH).

    • E. 

      Increased release of growth hormone releasing hormone (GHRH) by arcuate neurons of the hypothalamus.

  • 3. 
    In male fetal development, which hormone (or absence of any hormone) is responsible for regression of the structures that would otherwise form the uterus?
    • A. 

      The absence of any hormone

    • B. 

      Testosterone

    • C. 

      Progesterone

    • D. 

      Anti-mullerian hormone

    • E. 

      Dihydrotestosterone

  • 4. 
    Failure to develop sinovaginal bulbs results in
    • A. 

      Uterus didelphys

    • B. 

      Double vagina

    • C. 

      Uterus bicornis

    • D. 

      Atretic cervix

    • E. 

      Short and atretic vagina

  • 5. 
    The labia minora in the female and the __________  in the male are derived from the same embryonic structures.
    • A. 

      Scrotum

    • B. 

      Penile urethra

    • C. 

      Shaft of penis

    • D. 

      Penis surrounding penile urethra

    • E. 

      Perineum

  • 6. 
    Which of the following is the homologue of the paradidymis?
    • A. 

      Appendix epididymis

    • B. 

      Appendix testis

    • C. 

      Gartner's cyst

    • D. 

      Paroophoron

    • E. 

      Hymen

  • 7. 
    The septa within each test is that separates the different compartments of seminiferous tubules are derived from which structure?
    • A. 

      Internal spermatic fascia

    • B. 

      Visceral tunica vaginalis

    • C. 

      Parietal tunica vaginalis

    • D. 

      Tunica albuginea

    • E. 

      Epididymis

  • 8. 
    Ductuli efferentes are derived from the
    • A. 

      Remaining excretory tubules of mesonephros

    • B. 

      Mesonephric ducts

    • C. 

      Paramesonephric ducts

    • D. 

      Cortical cords

    • E. 

      Primitive sex cords

  • 9. 
    An infant presents with a ball-like structure on her "bottom " (see image below). The baII-Iike structure indicated by the pointer is homologous to:
    • A. 

      Paradidymis

    • B. 

      Appendix testis

    • C. 

      Seminal colliculus

    • D. 

      Prostatic utricle

    • E. 

      Scrotum

  • 10. 
    The uterus is formed from
    • A. 

      Sinovaginal bulbs

    • B. 

      Pelvic part of primitive urogenital sinus

    • C. 

      Caudal part of mesonephric ducts

    • D. 

      Caudal part of paramesonephric ducts

    • E. 

      Sinus tubercle

  • 11. 
    All of the following structures are derived from endoderm  Except: 
    • A. 

      Allantoic epithelium

    • B. 

      Epithelial lining of the female urethra

    • C. 

      Mesonephric duct

    • D. 

      Primordial germ cells

    • E. 

      Urinary bladder epithelium

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