MCQS ON BACTERIAL PATHOGENESIS, Quizzes of Pathophysiology

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Multiple Choice Question on Bacterial Pathogenesis 1) Which of the following microorganism is the major inhabitant of the skin? a) Escherichia coli b) Staphylococcus epidermidis c) Staphylococcus aureus d) Streptococcus pyogens 2) Which one of the following is not the normal flora of the skin? a) Diptheriods b) Staphylococci c) Helicobacter d) Micrococci 3) All of the following are gram-negative bacilli EXCEPT a) Proteus spp b) Pseudomonas spp c) Neisseria spp d) Klebsiella spp 4) Which of the following cocci shaped bacteria is usually seen in pairs? a) Klebsiella spp b) Neisseria spp c) Pseudomonas spp d) Clostridium spp 5) Which one of the following pathogenic organism is capable of living inside the living cell only(obligate intracellular pathogen)? a) Salmonella b) Mycobacterium c) Rickettsia d) Vibrio 6) ..sesseseeseeseeeed8 the common normal flora of upper respiratory tract a) Lactobacillus spp b) Staphylococcus spp c) Vibrio spp d) None of the above 7) Which of the following organism releases endotoxin that causes muscular paralysis? a) Clostridium botulism b) Bacillus cereus c) Streptococcus pyogens d) Salmonella typhi 8) Which of the following enzyme is used to distinguish between different types of Staphylococcus isolates? a) Proteases b) Lipase c) Hyaluronidase d) Coagulase