<prompt> Phocomelia is a problem affecting:Long bonesSkull bonesCarpalsMetacarpals  <response>: a. Long bonesRef: Nelsons 20e p 3423Phocomelia is a birth defect in which the hands and feet are attached to abbreviated arms legs. The term comes from phoco meaning seal melia meaning limb, to indicate that a limb is like a seals flipper; One of the important cause is exposure of fetus to thalidomide. 