OBGYN SELF ASSESSMENT EXAM 2024-2025/COMPLETE ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+ The most accurate sonographic method of establishing gestational age is: a. crown-rump length measurement b. single dimension gestational sac measure- ment c. patient menstrual history d. biparietal diameter - ANSWER-a. crown-rump length measurement 2. The trophoblasts of the blastocyst become the a. chorion b. amnion c. yolk sac d. allantois - ANSWER-a. chorion When a sonographer discovers a bicornuate uterus, which area should also be evaluated? a. lymph nodes B. liver c. kidneys d. fallopian tubes - ANSWER-c. kidneys All of the following are associated with lower than expected levels of serum hCG except? a. hydatidaform mole b. incorrect datesc. embryonic demise d. missed abortion - ANSWER-a. hydatidaform mole The foramen ovale permits blood to pass from the to the a. right atrium; left atrium b. left atrium; right atrium c. pulmonary artery; aortic arch d. right atrium; IVC - ANSWER-a. right atrium; left atrium Where is the yolk sac located? a. between the amnion and embryo b. between the amnion and chorion c. within the amniotic cavity d. in the subchorionic region - ANSWER-b. between the amnion and chorion The dominant hormone in