This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
The X-ray pelvis AP shows the presence of: 
Select and explain. 
A. Endoscopic removal of ureteric stones, B. Uterine sounding to check the position of dislodged IUD, C. Uterine sounding to check for the site of the uterine tear, D. Pelvic trauma
B: Uterine sounding to check the position of dislodged IUD
Answer: B: Uterine sounding to check the position of dislodged IUD 
Explanation: Ans. B.