Staphylococci and Micrococcus Quiz Leave a Comment / By quizshell / October 21, 2021 This 25 multiple choice quiz will cover staphylococcus aureus, staphylococcus saprophyticus, staphylococcus epidermidis, micrococcus and more. 12345678910111213141516 /16 0 votes, 0 avg 36 Created by quizshell Staphylococci and Micrococcus Quiz 1 / 16 1. A coagulase-negative Staphylococci that causes endocarditis, ferments, mannitol, and metabolizes substrate pyrrolidinyl-naphthylamide (PYR) is? A. Staphylococcus epidermidis B. Staphylococcus aureus C. Staphylococcus saprophyticus D. Staphylococcus lugdunensis 2 / 16 2. An identifying characteristic of Staphylococcus aureus is? A. Catalase negative B. Mannitol fermentation negative C. Coagulase positive D. Modified Oxidase positive 3 / 16 3. Which component of Staphylococcus aureus is detected in latex agglutination assay? A. Protein C B. Beta-lactamase C. Protein A D. Mannitol 4 / 16 4. What test can be used to differentiate Staphylococcus aureus from other staphylococci? A. Gram stain B. Coagulase test C. Catalase test D. Oxidase test 5 / 16 5. Which of the following Staphylococcus is coagulase-positive? A. Staphylococcus epidermidis B. Staphylococcus aureus C. Staphylococcus saprophyticus D. Micrococcus 6 / 16 6. Enterotoxin produced by Staphylococcus aureus causes. A. Impetigo B. Toxic shock syndrome C. Enterocolitis D. Scalded skin syndrome 7 / 16 7. An identifying characteristic of micrococcus is? A. Catalase negative B. Coagulase positive C. Hemolytic on sheep blood agar plate(SBA) D. Modified Oxidase positive 8 / 16 8. Staphylococcus saprophyticus is a cause of? A. Scalded skin syndrome B. Urinary tract infections C. Impetigo D. Enterocolitis 9 / 16 9. Exfoliatin produced by Staphylococcus aureus causes. A. Scarlet fever B. Scalded skin syndrome C. Enterocolitis D. Impetigo 10 / 16 10. Which of the following Staphylococcus is associated with scalded skin syndrome? A. Staphylococcus aureus B. Staphylococcus epidermidis C. Staphylococcus saprophyticus D. Staphylococcus lugdunensis 11 / 16 11. Which coagulase-negative Staphylococci are susceptible to novobiocin is? A. Staphylococcus lugdunensis B. Staphylococcus epidermidis C. Staphylococcus aureus D. Staphylococcus saprophyticus 12 / 16 12. What is responsible for bacterial resistance to penicillin? A. Beta-lactamase production B. Altered peptidoglycan C. Presence of clumping factor D. Presence of protein A 13 / 16 13. Which of the following gram-positive cocci produces yellow colonies on Mannitol salt agar? A. Staphylococcus epidermidis B. Staphylococcus aureus C. Staphylococcus lugdunensis D. Staphylococcus saprophyticus 14 / 16 14. A gram-positive coccus arranged in tetrads, catalase-positive, bacitracin susceptible, and modified oxidase-positive is best identified as? A. Staphylococcus B. Micrococcus C. Enterococcus D. Streptococcus 15 / 16 15. Gram-positive cocci in clusters that are catalase-positive, coagulase-positive, bacitracin resistant and modified oxidase negative are best identified as A. Enterococcus B. Staphylococcus C. Leuconostoc D. Streptococcus 16 / 16 16. Which of the following gram-positive cocci is beta-hemolytic? A. Staphylococcus epidermidis B. Staphylococcus aureus C. Staphylococcus saprophyticus D. Staphylococcus lugdunensis Your score is The average score is 69% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Send feedback More Quizzes Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like this:Like Loading...
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