<prompt> Ulnar injury in the arm leads to all except:Sensory loss of the medial 13rd of the handWeakness of the hypothenar musclesClaw handAdducted thumb  <response>: D i.e., Adducted thumb Adductor pollicis, which is supplied by ulnar nerve, is paralysed in ulnar nerve injury. This results in loss of thumb adduction Froments signQ i.e., use of FPL in place of adductors to hold paperbook between thumb index finger 