1 MCQs in Radiology for NEET PG
A 38-year-old primigravida presents for first-trimester combined screening at 12+3 weeks gestation. Transabdominal ultrasound in the true midsagittal plane shows a crown-rump length of 62 mm. The structure marked **A** in the diagram measures 4.2 mm at its widest horizontal portion—above the 99th centile for this crown-rump length. Additional findings include a hypoplastic nasal bone, reversed A-wave in the ductus venosus, and tricuspid regurgitation on color Doppler. Maternal serum markers show free β-hCG 2.4 MOM and PAPP-A 0.3 MOM. Combined first-trimester screening risk is 1 in 12 for trisomy 21. Which of the following chromosomal abnormalities is MOST strongly associated with the increased measurement of the structure marked **A**?
Ready to test yourself?
Test your Radiology knowledge with AI-powered MCQs and detailed explanations — no signup required to try.
Sign up free and practice all 1 First-Trimester Nuchal Translucency MCQs with AI-powered explanations tailored to your performance.
Create Free Account