Block 7 Dr Yin Repro Embryo
Settings
-
+
.JPG "Block 7 Dr Yin Repro Embryo")
- 1.If the excretory tubules from the nephrogenic cord regress completely after the second months of development, which of the following structures in the male will not form properly?
- A.
Ductus deferens
- B.
Seminiferous tubules
- C.
Ductuli efferentes
- D.
Rete testis
- E.
Ductus epididymis
- 2.Prenatal ultrasound at 32 weeks gestation indicates atresia of the very caudal ends of the paramesonephric ducts. This will most likely result in which of the following conditions?
- A.
Uterus didelphys
- B.
Double vagina
- C.
Uterus bicornis
- D.
Atretic cervix
- E.
Short and atretic vagina
- 3.A 15-year-old boy is found to have underdeveloped ductus epididymis and ductus deferens. Which of the following give rise to these structures?
- A.
Primitive sex cords
- B.
Paramesonephric ducts
- C.
Epigenital tubules
- D.
Paragenital tubules
- E.
Mesonephric ducts
- 4.Sinus tubercle gives rise to the hymen in the female. What is the derivative of the sinus tubercle in the male?
- A.
Prostatic utricle
- B.
Appendix epididymis
- C.
Paradidymis
- D.
Seminal colliculus
- E.
Membranous urethra
- 5.Prenatal ultrasound at 5 months gestation shows polyhydramnios. What can be a cause of this condition?
- A.
PROM
- B.
Preterm PROM
- C.
Renal agenesis
- D.
GI atresia
- E.
Amniotic bands
- 6.Under normal conditions, which of the following structures in the primitive umbilical cords gives rise to the median umbilical ligament?
- A.
Yolk sac
- B.
Vitelline duct
- C.
Allantois
- D.
Umbilical arteries
- E.
Umbilical vein
- 7.Which of the following is a component of the placenta?
- A.
Decidua parietalis
- B.
Decidua capsularis
- C.
Chorion leave
- D.
Chorion frondosum
- E.
Amniochorionic membrane
- 8.Which of the following characterizes the changes in the endometrium in the luteal phase of the menstrual cycle?
- A.
Ischemia and necrosis of the stratum functionale
- B.
Influenced mainly by progesterone
- C.
Thickening of the stratum basale
- D.
Presence of straight tubular glands
- E.
Necrosis and sloughing off of the endocervix
- 9.
![]()
In the accompanying photomicrograph of the ovary, the structures indicated by the pointer produce which of the following hormones?- A.
Androstenedione
- B.
Estrogen
- C.
LH
- D.
Progesterone
- E.
HCG
- 10.
![]()
The structures indicated by the pointer in the accompanying photomicrograph can be derived from which of the following structures? (Choose the one best answer)- A.
Primordial, primary follicles and secondary follicles
- B.
Primordial, primary, secondary, Graafian follicles, corpus luteum
- C.
Primordial, primary, secondary, and Graafian follicles
- D.
Primordial, primary, secondary, Graafian follicles, corpus luteum, and corpus albicans
- E.
Primordial, primary, secondary, Graafian follicles, corpus luteum, corpus albicans, and interstitial glands
- 11.
![]()
Which area will contain specific proteins for the sperm to bind to?- A.
A
- B.
B
- C.
C
- 12.
![]()
The structures indicated by the yellow B in the accompanying photomicrograph are responsible for the production of _____?- A.
GnrH
- B.
Progesterone
- C.
Estrogen
- D.
Testosterone
- E.
HCG
- F.
Red Bull
- 13.
![]()
- A.
HCG
- B.
Testoserone
- C.
DHT
- D.
Estrogen
- E.
LH
- F.
FSH
- 14.
![]()
Red arrow- A.
Primary spermatocyte
- B.
Secondary spermatocyte
- C.
Spermatid
- D.
Leydig cell
- E.
Other
.JPG)
.JPG)
.JPG)
Back to top