Block 7 Male Female Repro MCQ's
- 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:
- ProProfs]( "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:")
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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