USMLE STEP 2 OBGYN UPDATED STUDY GUIDE
QUESTIONS AND CORRECT ANSWERS
C
Q001. what is the genital system developed from? A001. mesoderm
Q002. what portion of the embryo gives rise to the A002. Urogenital ridges
reproductive system?
Q003. what portion of the ovary contains the A003. cortex
developing follicles?
Q004. what is the first indication of the sex in the A004. formation of the tunica albuginea
embryo?
Q005. the primordial germ cells can be identified A005. Yolk sac
during the 4th week of development where?
Q006. Embryo:; what results following the absence of A006. Paramesonepheric (Mullerian)ducts degenerate
the uterus?
Q007. Embryo:; what results in the formation of a "A007. Inferior part of the Mullerian ducts do not fuse; ""Uterus didelphys"""
double uterus?; technical name of this?
Q008. Embryo:; what results in the absence of the A008. Vaginal plate does not develop
vagina?
Q009. Embryo:; what results in vaginal atresia? A009. Vaginal plate does not canalize
Q010. Embryo:; what does the labia minora develop A010. Urogenital folds
from?
Q011. Embryo:; what does the labia majora develop A011. Labioscrotal swelling
from?
Q012. Embryo:; what does the clitoris develop from? A012. Genital tubercle
Q013. Embryo:; what does the fallopian tube develop A013. Mullerian ducts
from?
Q014. Embryo:; what (2) structures does the vagina A014. Urogenital sinus; Mullerian ducts
originate from?
Q015. what are the innominate bones composed of?; A015. Ileum,; Ischium,; Pubis
(3)
Q016. what separates the false pelvis from the true A016. Linea terminalis
pelvis?
Q017. which pelvis does the fetus pass during labor? A017. True pelvis
Q018. what plane separates the false pelvis from the A018. Pelvic Inlet
true pelvis?
, Q019. at what plane does the arrest of fetal descent A019. Plane of Least diameter
occur?
Q020. what is the value of the obstetric conjugate? A020. 10.0 - 11.0
Q021. what is the value of the transverse diameter of the A021. 13.5
pelvic inlet?
Q022. what is the value of the Bispinous diameter of the A022. 10
pelvic midplane?
Q023. what is the transverse diameter of the Greatest A023. 12.5
Diameter?
Q024. what is the most common pelvic type? A024. Gynecoid
Q025. what is found in the labia majora but not the labia A025. Hair follicles
minora?
Q026. Name type of epithelium:; Bartholin ducts A026. Transitional
Q027. Name type of epithelium:; Skene duct A027. Transitional
Q028. Name type of epithelium:; Urethra A028. Transitional
Q029. Name type of epithelium:; Endocervical canal A029. Columnar
Q030. what is the name of the part of the uterus where A030. Cornu
the fallopian tubes enter?
Q031. what are the (2) main anatomic divisions of the A031. Corpus,; Cervix
uterus?
Q032. what (2) arteries supply the uterus? A032. Uterine artery,; Ovarian artery
Q033. where do the uterine veins enter the venous A033. Internal iliac veins
system?
Q034. what portion of the fallopian tube boarders the A034. Infundibulum
ovary?
Q035. what ligament supports the ovary? A035. Broad ligament
Q036. before puberty, what is the ratio of the body of A036. 0.0423611111111111
the uterus and the cervix length?
Q037. what is the portion of the broad ligament b/t the A037. Mesosalpinx
ovaries and fallopian tube?
Q038. what ligaments prevent uterine prolaspe? A038. Uterosacral ligaments
Q039. when do Oogonia stop developing? A039. just before birth
QUESTIONS AND CORRECT ANSWERS
C
Q001. what is the genital system developed from? A001. mesoderm
Q002. what portion of the embryo gives rise to the A002. Urogenital ridges
reproductive system?
Q003. what portion of the ovary contains the A003. cortex
developing follicles?
Q004. what is the first indication of the sex in the A004. formation of the tunica albuginea
embryo?
Q005. the primordial germ cells can be identified A005. Yolk sac
during the 4th week of development where?
Q006. Embryo:; what results following the absence of A006. Paramesonepheric (Mullerian)ducts degenerate
the uterus?
Q007. Embryo:; what results in the formation of a "A007. Inferior part of the Mullerian ducts do not fuse; ""Uterus didelphys"""
double uterus?; technical name of this?
Q008. Embryo:; what results in the absence of the A008. Vaginal plate does not develop
vagina?
Q009. Embryo:; what results in vaginal atresia? A009. Vaginal plate does not canalize
Q010. Embryo:; what does the labia minora develop A010. Urogenital folds
from?
Q011. Embryo:; what does the labia majora develop A011. Labioscrotal swelling
from?
Q012. Embryo:; what does the clitoris develop from? A012. Genital tubercle
Q013. Embryo:; what does the fallopian tube develop A013. Mullerian ducts
from?
Q014. Embryo:; what (2) structures does the vagina A014. Urogenital sinus; Mullerian ducts
originate from?
Q015. what are the innominate bones composed of?; A015. Ileum,; Ischium,; Pubis
(3)
Q016. what separates the false pelvis from the true A016. Linea terminalis
pelvis?
Q017. which pelvis does the fetus pass during labor? A017. True pelvis
Q018. what plane separates the false pelvis from the A018. Pelvic Inlet
true pelvis?
, Q019. at what plane does the arrest of fetal descent A019. Plane of Least diameter
occur?
Q020. what is the value of the obstetric conjugate? A020. 10.0 - 11.0
Q021. what is the value of the transverse diameter of the A021. 13.5
pelvic inlet?
Q022. what is the value of the Bispinous diameter of the A022. 10
pelvic midplane?
Q023. what is the transverse diameter of the Greatest A023. 12.5
Diameter?
Q024. what is the most common pelvic type? A024. Gynecoid
Q025. what is found in the labia majora but not the labia A025. Hair follicles
minora?
Q026. Name type of epithelium:; Bartholin ducts A026. Transitional
Q027. Name type of epithelium:; Skene duct A027. Transitional
Q028. Name type of epithelium:; Urethra A028. Transitional
Q029. Name type of epithelium:; Endocervical canal A029. Columnar
Q030. what is the name of the part of the uterus where A030. Cornu
the fallopian tubes enter?
Q031. what are the (2) main anatomic divisions of the A031. Corpus,; Cervix
uterus?
Q032. what (2) arteries supply the uterus? A032. Uterine artery,; Ovarian artery
Q033. where do the uterine veins enter the venous A033. Internal iliac veins
system?
Q034. what portion of the fallopian tube boarders the A034. Infundibulum
ovary?
Q035. what ligament supports the ovary? A035. Broad ligament
Q036. before puberty, what is the ratio of the body of A036. 0.0423611111111111
the uterus and the cervix length?
Q037. what is the portion of the broad ligament b/t the A037. Mesosalpinx
ovaries and fallopian tube?
Q038. what ligaments prevent uterine prolaspe? A038. Uterosacral ligaments
Q039. when do Oogonia stop developing? A039. just before birth