Question

18. Entamoeba histolytica is the causative organism in amoebic dysentery. This organism is a(n)
       Protozoan
       Bacterium
       Fungus
       Virus

20. Antibiotic-induced diarrhea is most often caused by an overgrowth of this specific bacterium:
       Clostridium difficile
       Clostridium perfringens
       Candida albicans
       Yersinia pestis

22. Acute glomerulonephritis is a late-developing consequence of which of the following diseases?
       Streptococcal pharyngitis (strep throat)
       Influenza
       Rhinosinusitis
       Pneumonia

31. The opportunistic pathogen often responsible for causing necrotizing fasciitis (also known as the "flesh-eating bacteria") in healthy young adults is called:
       Staphylococcus epidermis
       Streptococcus pyogenes
       Bacillus subtilis
       Streptococcus pneumoniae

Answer 1

18. The causative agent of amoebic dysentary which is entamoeba histolytica; is a type of protozoan. The organism is a type of parasitic worm, due to which it is placed in group protozoan.  This organism is found in the human intestine where it can cause intestinal infection.

Hence, the correct option is (A)

About the incorrect options-

(B), (C) and (D) groups do not include parasitic worms. So, they are the wrong options.

19. The condition known as antibiotic-associated diarrhea is caused by the overgrowth of bacteria known as Clostridium difficile. It is because when antibiotics are taken, the normal flora of intestine gets destroyed due to which C.difficile gets an opportunity to grow and cause diarrhea like disease.

Hence, the correct option is (A)'

About the incorrect options-

(B), (C) and (D) are not involved in causing antibiotic associated diarrhea.

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