This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Gynae), Subject name: Gynaecology & Obstetrics
[{'content': 'Alpha fetoprotein synthesized from \nSelect and explain. \nA. Yolk sac, B. Placenta, C. Foetal brain, D. Foetal kidney', 'role': 'user'}, {'content': "Answer: A \nExplanation: (Yolk sac) (107-D)* AFP - is a oncofetal protein it is produced by yolksac and fetal liver* Highest level of AFT in fetal serum and amniotic fluid reached around 13 weeks and thereafter it decreases* Maternal serum level reaches a peak around 32 weeks* * Test is done between 15-18 weeksMSAFP level is elevated in(a) Wrong gestational age(b) Open neural tube defects(c) Multiple pregnancy(d) IUCD(e) Anterior abdominal wall defects(f) Renal anomaliesMSAFP level is lowin Trisomies (Down's syndrome) gestational trophoblastic disease* Triple test - includes MSAFP, hCG and UE3 (Unconjugated oestriol)", 'role': 'assistant'}]