<prompt> Froments sign is seen inUlnar nerve palsyMedian nerve palsyAnterior interosseous nerve palsyRadial nerve palsy  <response>: Froments sign, or the book test tests the adductor pollicis muscle. When the patient is asked to grasp a book firmly between the thumbs and other fingers of both hands, the terminal phalanx of thumb on the paralysed side becomes flexed at the interphalangeal joint by the flexor pollicis longus which is supplied by median nerve 