All cause ascending motor paralysis except :
Answer is B (Diphtheria): Diptheria is associated with a descending motor paralysis. All other options mentioned in the question give rise to ascending motor paralysis. Impoant causes of descending motor paralysis. Botu I ilium Q. Diphtheria Q Polio These three causes of descending motor paralysis need to be remembered as they are frequently asked and help to answer several questions by exclusion.
Diabetes mellitus
Diphtheria
Gullien Barre syndrome
Porphyria