<prompt> Regarding obesity syndromes, determine the true false statements: a Prader-Willi syndrome has normal stature with truncal obesity b Laurence-Moon-Biedl is autosomal; polydactyly is seen c Ahlstroms syndrome patients has moderate mental retardation d Cohens syndrome- Patients will have craniofacial anomalies and delayed pubey e Carpenters syndrome have secondary hypogonadismb,d,e-True a, c- Falsea,c,d,e-True b- Falseb,c,d,e-True a- Falseb,c,d-True a,e- False  <response>: Prader-Willi syndrome is sporadic inheritance, sho statured with generalised obesity. Primary gonadism and moderate mental retardation is seen. Ahlstroms patients will have normal intelligence. Ref: Harrisons Principles of Internal Medicine, 18th Edition, Page 626 Table 77-2 A Comparison of Syndromes of Obesity--Hypogonadism and Mental Retardation. 