<prompt> True about hernia -External abdominal hernia is commonDirect hernia usually acquiredStrangulation is common in femoral herniaAll  <response>: Ans. is a i.e. Extra-abdominal hernia is common; b i.e. Direct hernia is usually acquired; c i.e. Strangulation is common in femoral hernia External abdominal hernia is the most common form, the most frequent varieties being the inguinal femoral umbilical, accounting for 75 - Bailey Love 24e p1272 Direct hernia is always an acquired type except the Ogilive hernia and occurs in elderly person - S. Das 3e p1095 