<prompt> Diaphragm paralysis happens in which nerve damagePhrenicIntercostalVagusHypoglossal  <response>: Ans. a Phrenic nerveRef: Internet sourcesCauses of Diaphragm paralysis: Neurological causes: Phrenic nerve palsy Motor neuron disease Neuropathies Myopathies Viral infections Tumors Trauma Surgical Operations 