Microbiology Exam 3 Practice Questions With Complete Solutions.pdf

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Microbiology Exam3 PracticeQuestions v v v v




With CompleteSolutions v v v




The most common sexually transmitted disease in the US is:
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A. Herpes v




B. Syphilis
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C. Condyloma
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D. Chlamydiae infections
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E. Gonorrhoea infections - CORRECT ANSWER✔✔D
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An enzyme of Staphylococcus aureus that convents fibrinogen into insoluble fibirn is:
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A. Lipase v




B. Coagulase
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C. Staphylokinase
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D. Hemolycin v v




E. Hyaluronidase - CORRECT ANSWER✔✔B
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Extra-intestinal disease, especially the production of a serious fever, may follow intestinal infection with:
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v A. Vibrio cholerae
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,v B. Salmonella typhi
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v C. Shigella dysenteriae
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v D. Clostridium botulinum
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v E. Staphylococcus aureus - CORRECT ANSWER✔✔B
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On blood agar, Streptococcus pyogenes causes which type of hemolysis?
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v A. Delta hemolysis
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v B. Alpha hemolysis
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v C. Gamma hemolysis
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v D.Beta hemolysis v




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v E. No hemolysis - CORRECT ANSWER✔✔D
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S. pyogenes has:
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v A. capsule v




v B. M protein
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v C. Teichoic acid
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v D. All of these - CORRECT ANSWER✔✔D
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Food poisoning due to which organism is most likely to cause a flaccid muscle paralysis:
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v A. Staphylococcus aureus
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v B. Clostridium perfringens
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v C. Clostridium botulinum
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v D. Bacillus anthracis
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v E. Bacillus cereus - CORRECT ANSWER✔✔C
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(think Botox!) v




Pneumococcal pneumonia is often treated successfully by using penicillin. Penicillin inhibits the growth of the
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pneumococcus by preventing the synthesis of:
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v A. Capsulev




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v B. Common pili
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v C. Cell wall
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v D. Cell membrane
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v E. Flagella - CORRECT ANSWER✔✔C
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Which of the following may be complications associated with infections of Neisseria gonorrhoeae?
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v A. Pelvic inflammatory disease
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v B. Infections of the skin
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v C. Infections of the joints that may lead to arthritis
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v D. Disseminated gonococcal infection
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v E. All of these - CORRECT ANSWER✔✔E
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Chlamydia can cause eye disease v v v v




v True

v False - CORRECT ANSWER✔✔True
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Which of the following diseases is (are) caused by Enterobacteriaceae?
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A. urinary tract infection
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v B. enteric fever
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v C. septicemia
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v D. gastroenteritis
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v E. All of these - CORRECT ANSWER✔✔E
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Infection of brain is called: v v v v




v A. Erysipelas
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v B. Meningitis
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v C. Tuberculosis
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v D. Encephalitis
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v E. Impetigo - CORRECT ANSWER✔✔D
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