Stool examination is required for diagnosis of infection with -

Ans. is 'a' i.e., Staph food poisoning; 'b' i.e., Clostridia; 'c' i.e., Shigella All these organisms (option a to d) can cause diarrhea and stool should be examined for diagnosis. Diagnostic approach to infectious diarrhea . After the severity of illness is assessed, the most impoant distinction that the clinician must make is between inflammatory and noninflammatory disease. . Examination of a stool sample is an impoant supplement to the narrative history. . Stool should be examined for blood, leukocytes and mucus. . Fecal lactoferrin is a marker of fecal leukocytes and can be detected by later agglutination or ELISA. For options 'e' "Since pinworm (E. vermicularis) eggs not usually released in the bowel, the diagnosis cannot be made by looking for eggs in the feces".