OB GYN Board Exam Questions & Answers (Grade A+).docx

OB/GYN Board Exam Questions &
Answers (Grade A+)
When the morula enters the uterine cavity what does it become? -
correct answer ✅Blasocyst


By what week does the anion and chorion fuse? -
correct answer ✅Week 12


If any longer than 16 wks time then chromosomal abnormalities
may be present


At what CRL should cardiac activity be identified? -
correct answer ✅5mm


6wks gestation


How many weeks should a yolk sac be identified? -
correct answer ✅5.5 wks


How many weeks should a gestational sac be visualized? -
correct answer ✅4 wks

, OB/GYN Board Exam Questions &
Answers (Grade A+)
The mean sac diameter in a normal IUP will demonstrate how much
of an increase in size per day until the 10th week of gestation? -
correct answer ✅1mm per day


Implantation of the fertalized egg occurs on what day? -
correct answer ✅20-23


What week does the neural tube normally close? -
correct answer ✅week 6


What MSD should demonstrate a yolk sac? -
correct answer ✅>8mm


What is the most common birth defect? -
correct answer ✅CHD


Can you see an increased nuchal thickness with CHD? -
correct answer ✅Yes


What are the 4 types of ASD? -
correct answer ✅1. Primun