USMLE Step 2 OB/GYN Exam Questions 1426 Questions with 100% Correct Answers – COMPLETE SOLUTION

USMLE Step 2 OB/GYN Exam Questions 1426 Questions with 100% Correct Answers – COMPLETE SOLUTION Q001. what is the genital system developed from? - ✔✔A001. mesoderm Q002. what portion of the embryo gives rise to the re ...

USMLE Step 2 OB/GYN Exam Questions 1426 Questions with 100% Correct Answers – COMPLETE SOLUTION Q001. what is the genital system developed from? - ✔✔A001. mesoderm Q002. what portion of the embryo gives rise to the reproductive system? - ✔✔A002. Urogenital ridges Q003. what portion of the ovary contains the developing follicles? - ✔✔A003. cortex Q004. what is the first indication of the sex in the embryo? - ✔✔A004. formation of the tunica albuginea Q005. the primordial germ cells can be identified during the 4th week of development where? - ✔✔A005. Yolk sac Q006. Embryo:; what results following the absence of the uterus? - ✔✔A006. Paramesonepheric (Mullerian)ducts degenerate Q007. Embryo:; what results in the formation of a double uterus?; technical name of this? - ✔✔"A007. Inferior part of the Mullerian ducts do not fuse; ""Uterus didelphys""" Q008. Embryo:; what results in the absence of the vagina? - ✔✔A008. Vaginal plate does not develop Q009. Embryo:; what results in vaginal atresia? - ✔✔A009. Vaginal plate does not canalize Q010. Embryo:; what does the labia minora develop from? - ✔✔A010. Urogenital folds Q011. Embryo:; what does the labia majora develop from? - ✔✔A011. Labioscrotal swelling Q012. Embryo:; what does the clitoris develop from? - ✔✔A012. Genital tubercle Q013. Embryo:; what does the fallopian tube develop from? - ✔✔A013. Mullerian ducts Q014. Embryo:; what (2) structures does the vagina originate from? - ✔✔A014. Urogenital sinus; Mullerian ducts Q015. what are the innominate bones composed of?; (3) - ✔✔A015. Ileum,; Ischium,; Pubis Q016. what separates the false pelvis from the true pelvis? - ✔✔A016. Linea terminalis Q017. which pelvis does the fetus pass during labor? - ✔✔A017. True pelvis Q018. what plane separates the false pelvis from the true pelvis? - ✔✔A018. Pelvic Inlet Q019. at what plane does the arrest of fetal descent occur? - ✔✔A019. Plane of Least diameter 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 pelvic inlet? - ✔✔A021. 13.5 Q022. what is the value of the Bispinous diameter of the pelvic midplane? - ✔✔A022. 10 Q023. what is the transverse diameter of the Greatest Diameter? - ✔✔A023. 12.5 Q024. what is the most common pelvic type? - ✔✔A024. Gynecoid Q025. what is found in the labia majora but not the labia minora? - ✔✔A025. Hair follicles 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 the fallopian tubes enter? - ✔✔A030. Cornu Q031. what are the (2) main anatomic divisions of the uterus? - ✔✔A031. Corpus,; Cervix Q032. what (2) arteries supply the uterus? - ✔✔A032. Uterine artery,; Ovarian artery Q033. where do the uterine veins enter the venous system? - ✔✔A033. Internal iliac veins Q034. what portion of the fallopian tube boarders the ovary? - ✔✔A034. Infundibulum Q035. what ligament supports the ovary? - ✔✔A035. Broad ligament Q036. before puberty, what is the ratio of the body of the uterus and the cervix length? - ✔✔A036. 0.0423611111111111 Q037. what is the portion of the broad ligament b/t the ovaries and fallopian tube? - ✔✔A037. Mesosalpinx Q038. what ligaments prevent uterine prolaspe? - ✔✔A038. Uterosacral ligaments Q039. when do Oogonia stop developing? - ✔✔A039. just before birth Q040. how are trisomy pregnancies detected? - ✔✔A040. Chorionic villus sampling Q041. Genetics Dx:; microcephaly, distinctive facial features - ✔✔A041. Cri-du-chat Q042. what occurs with failure of testicular development in a XY zygote? - ✔✔A042. patient develops as a female with uterus, tubes, vagina, and vulva (no ovaries) Q043. what is the most common cause of mental retardation? - ✔✔A043. Fragile X syndrome Q044. what amount of folic acid should be taken by a pregna