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xS1B5 - Microbiology > S1B5 - Bacteria iBook Questions > Flashcards

S1B5 - Bacteria iBook Questions Flashcards

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1
Q

Most common cause of antibiotic associated diarrhea?

A) Campylobacter jejuni

B) Clostridium difficile

C) Escherichia coli

D) Staphylococcus aureus

E) Staphylococcus epidermidis

A

Clostridium difficile

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2
Q

A boy presents with watery diarrhea. Stool culture yields a Gram negative rod that also produced cholera-like toxin. Agent?

A) Enterotoxigenic Escherichia coli (ETEC)

B) Enteropathogenic Escherichia coli (EPEC)

C) Enteroaggregative Escherichia coli (EAEC)

D) Enterohemmorrhagic Escherichia coli (EHEC)

E) Enteroinvasive Escherichia coli (EIEC)

A

Enterotoxigenic Escherichia coli (ETEC)

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3
Q

Fish tank granuloma is caused by?

A) Actinomyces israelii

B) Nocardia asteroids

C) Mycobacterium marinum

D) Mycobacterium leprae

E) Mycobacterium tuberculosis

A

Mycobacterium marinum

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4
Q

Most common Staphylococcus associated with prosthetic device infections?

A) Staphylococcus aureus

B) Staphylococcus capitis

C) Staphylococcus epidermidis

D) Staphylococcus haemolyticus

E) Staphylococcus saprophyticus

A

Staphylococcus epidermidis

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5
Q

Patient presents with blood in tarry colored stoll. Complains of anorexia and fullness. Tests positive in urea breath test. Pathogen?

A) Aeromonas hydrophila

B) Campylobacter jejuni

C) Helicobacter pylori

D) Vibrio cholerae

E) Vibrio vulnificus

A

Helicobacter pylori

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6
Q

A 3-yo boy presents with high fever and apparent nuchal rigidity. CSF shows the presence of Gram negative pleomorphic rod. Pathogen?

A) Bordetella pertussis

B) Haemophilus influenzae

C) Legionella pneumophila

D) Pseudomonas aeruginosa

E) Streptococcus agalactiae

A

Haemophilus influenzae

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7
Q

A 1-yo presents with repetitive coughing and apparent respiratory distress. Pathogen was isolated on Regan-Lowe charcoal agar?

A) Bordetella pertussis

B) Haemophilus influenzae

C) Legionella pneumophila

D) Pseudomonas aeruginosa

E) Streptococcus agalactiae

A

Bordetella pertussis

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8
Q

Which one produces muscle spasms?

A) Bacillus anthracis

B) Bacillus cereus

C) Clostridium botulinum

D) Clostridium perfringens

E) Clostridium tetani

A

Clostridium tetani

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9
Q

A 29-yo female presents with dysuria and urgency. Urine yields Gram-positive, catalase negative bile resistant coccus. Agent?

A) Enterococcus faecalis

B) Escherichia coli

C) Staphylococcus epidermidis

D) Staphylococcus saprophyticus

E) Streptococcus agalactiae

A

Enterococcus faecalis

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10
Q

Patient presents with fever, stiff neck and seems disoriented (confused). CSF upon Gram stain shows the presence of Gram negative cocci. Pathogen?

A) Moraxella catarrhalis

B) Neisseria gonorrhoeae

C) Neisseria meningitidis

D) Staphylococcus aureus

E) Streptococcus agalactiae

A

Neisseria meningitidis

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11
Q

A catalase positive, Gram positive coccus is isolated from urine of a 29 year old patient who presents with burning urination and urgency. The most likely etiology?

A) Chlamydia trachomatis

B) Moraxella catarrhalis

C) Staphylococcus aureus

D) Staphylococcus epidermidis

E) Staphylococcus saprophyticus

A

Staphylococcus saprophyticus

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12
Q

Patient presents with itchy and painful ear. Tympanic membrane is mobile. A swab of the ear exudate yields non-fermenting bacillus on MacConkey agar. Pathogen?

A) Aeromonas hydrophila

B) Campylobacter jejuni

C) Pseudomonas aeruginosa

D) Vibrio cholerae

E) Vibrio vulnificus

A

Pseudomonas aeruginosa

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13
Q

Which one produces large number of toxins and can cause rapidly progressing necrosis in muscle planes?

A) Bacillus anthracis

B) Bacillus cereus

C) Clostridium botulinum

D) Clostridium perfringens

E) Clostridium tetani

A

Clostridium perfringens

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14
Q

Patient presents with low-fever, malaise, and a dry cough. Patchy infiltrates on CXR. Mullberry shaped colonies on Eaton’s agar. Pathogen?

A) Chlamydia trachomatis

B) Haemophilus ducreyi

C) Klebsiella granulomatis

D) Mycoplasma pneumoniae

E) Ureaplasma urealyticum

A

Mycoplasma pneumoniae

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15
Q

Patient presents with middle ear discharge, pain and itchiness. Discharge shows Gram-negative coccus. Most likely agent?

A) Moraxella catarrhalis

B) Neisseria gonorrhoeae

C) Neisseria meningitidis

D) Staphylococcus aureus

E) Streptococcus agalactiae

A

Moraxella catarrhalis

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16
Q

Which one is a concern for bioterrorism?

A) Bacillus anthracis

B) Bacillus cereus

C) Clostridium perfringens

D) Clostridium sepricum

E) Clostridium tetani

A

Bacillus anthracis

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17
Q

Infected lesions contained sulfur granules. Agent?

A) Actinomyces israelii

B) Nocardia asteroids

C) Mycobacterium marinum

D) Mycobacterium leprae

E) Mycobacterium tuberculosis

A

Actinomyces israelii

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18
Q

CSF yields a Gram positive coccobacillus with tumbling motility at room temperature. Pathogen?

A) Corynebacterium diphtheriae

B) Listeria monogytogenes

C) Staphylococcus aureus

D) Streptococcus agalactiae

E) Streptococcus pyogenes

A

Listeria monogytogenes

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19
Q

What is not represented as one of the five main parts of the “norma” microbiota areas in the body?

A) Blood

B) Gastrointestinal tract

C) Genitourinary tract

D) Mouth

E) Skin

A

Blood

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20
Q

Isolate from a very young patient with bloody stool was non-motile and a non-fermenter on MacConkey agar. Agent?

A) Enterococcus faecalis

B) Escherichia coli

C) Salmonella Typhi

D) Salmonella Typhimuriam

E) Shigella dysenteriae

A

Shigella dysenteriae

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21
Q

Which one can cause a rapid-onset emetic or a slow-onset diarrheal disease?

A) Bacillus anthracis

B) Bacillus cereus

C) Clostridium botulinum

D) Clostridium perfringens

E) Clostridium tetani

A

Bacillus cereus

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22
Q

Which one can cause pseudomembraneous colitis after antibiotic use?

A) Bacillus anthracis

B) Bacillus cereus

C) Clostridium botulinum

D) Clostridium difficile

E) Clostridium perfringens

A

Clostridium difficile

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23
Q

The patient presents with an ulcer on the genitalia. Lesion contained many GNB in the mononuclear cells. Agent?

A) Enterococcus faecalis

B) Escherichia coli

C) Klebsiella granulomatis

D) Klebsiella pneumoniae

E) Shigella dysenteriae

A

Klebsiella granulomatis

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24
Q

Which one is incorrect?

A) Microbiota is resistant to diet

B) Microbiota is resistant to geographical regions

C) Microbiota is the same among individual members of a family

D) Microbiota changes with travel

E) Microbiota is critical to human health

A

Microbiota is the same among individual members of a family

The above statement is incorrect.

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25
Q

Most likely cause?

A) Enterococcus feacalis

B) Staphylococcus aureus

C) Staphylococcus epidermidis

D) Streptococcus agalactiae

E) Streptococcus pyogenes

A

Staphylococcus aureus

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26
Q

a 3-yo boy presents with severe ear pain and a red tympanic membrane. A Gram negative rod grew on chocolate but not on blood agar. Agent?

A) Haemophilus influenzae

B) Moraxella catarrhalis

C) Neisseria gonorrhoeae

D) Pseudomonas aeruginosa

E) Streptococcus pneumoniae

A

Haemophilus influenzae

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27
Q

Class A pathogen naturally transmitted by a tick bite that can also pass through unbroken skin?

A) Bartonella bacilliformis

B) Brucella melitensis

C) Francisella tularensis

D) Pasteurella multocida

E) Yersinia pestis

A

Francisella tularensis

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28
Q

What is unique to gram negative bacteria?

A) Cell wall

B) Outer membrane

C) Peptidoglycan

D) Pili

E) Teichoic acid

A

Outer membrane

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29
Q

Patient presents with mitral valve inflammation and polyarthritis. History of sore throat 6 weeks ago and ASO titer is high. Pathogen?

A) Haemophilus influenzae

B) Neisseria meningitidis

C) Staphylococcus aureus

D) Streptococcus agalactiae

E) Streptococcus pyogenes

A

Streptococcus pyogenes

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30
Q

A 24-yo, sexually-active woman experienced dysuria & urgency. Urine culture was positive for a catalase negative Gram positive coccus. Agent?

A) Enterococcus faecalis

B) Escherichia coli

C) Klebsiella pneumoniae

D) Proteus mirabilis

E) Staphylococcus saprophyticus

A

Enterococcus faecalis

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31
Q

Likely pathogen?

A) Actinomyces israelii

B) Nocardia asteroids

C) Mycobacterium marinum

D) Mycobacterium leprae

E) Mycobacterium tuberculosis

A

Mycobacterium leprae

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32
Q

Patient with a recent history of tick bite presents with high fever and severe headache. Petechial ascending rash in next 3 days. Pathogen?

A) Orientia tsugamushi

B) Rickettsia akari

C) Rickettsia prowazekii

D) Rickettsia ricketsii

E) Rickettsia typhi

A

Rickettsia ricketsii

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33
Q

Most common cause of septic arthritis in sexually active individuals?

A) Neisseria gonorrhoeae

B) Pseudomonas aeruginosa

C) Staphylococcus aureus

D) Staphylococcus epidermidis

E) Staphylococcus saprophyticus

A

Neisseria gonorrhoeae

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34
Q

A catalase positive, Gram positive coccus is isolated from the purulent discharge from the swollen eyelid of a young boy. The most likely etiology?

A) Chlamydia trachomatis

B) Moraxella catarrhalis

C) Pseudomonas aeruginosa

D) Staphylococcus aureus

E) Staphylococcus epidermidis

A

Staphylococcus aureus

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35
Q

Patient presents with shortness of breath. Heart valve regurgitation is noted. Blood culture yields no growth. Diagnosed by serology. Pathogen?

A) Anaplasma phagocytophilum

B) Coxiella burnetii

C) Ehrlichia chaffeensis

D) Rickettsia rickettsii

E) Pseudomonas aeruginosa

A

Coxiella burnetii

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36
Q

Optochin (P-disk) sensitive streptococci?

A) Streptococcus bovis

B) Streptococcus agalactiae

C) Streptococcus pneumoniae

D) Streptococcus pyogenes

E) Viridans streptococci

A

Streptococcus pneumoniae

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37
Q

Mannitol fermenting staphylococcus?

A) Staphylococcus aureus

B) Staphylococcus epidermidis

C) Staphylococcus saprophyticus

D) All of the above

E) None of the above

A

Staphylococcus aureus

38
Q

A 24-yo, sexually-active woman experienced dysuria & urgency. Urine culture on MacConkey produced fermenting growth. Citrate positive. Agent?

A) Enterococcus faecalis

B) Escherichia coli

C) Klebsiella pneumoniae

D) Proteus mirabilis

E) Staphylococcus saprophyticus

A

Klebsiella pneumoniae

39
Q

A 2-yr old boy in Nigeria presents with conjunctival scarring. In cell culture, the clinical specimen showed the presence of inclusion bodies. Pathogen?

A) Chlamydia trachomatis

B) Haemophilus ducreyi

C) Klebsiella granulomatis

D) Mycoplasma genitalium

E) Ureaplasma urealyticum

A

Chlamydia trachomatis

40
Q

Fluid drained from an apparent swollen and painful knee joint of a 23 yo patient shows Gram negative coccus. Most likely agent?

A) Moraxella catarrhalis

B) Neisseria gonorrhoeae

C) Neisseria meningitidis

D) Staphylococcus aureus

E) Streptococcus agalactiae

A

Neisseria gonorrhoeae

41
Q

Most likely cause?

A) Enterococcus feacalis

B) Staphylococcus aureus

C) Staphylococcus epidermidis

D) Streptococcus agalactiae

E) Streptococcus pyogenes

A

Streptococcus pyogenes

42
Q

A 24-yo, sexually-active woman experienced dysuria & urgency. Urine culture on MacConkey produced fermenting growth. Citrate negative. Agent?

A) Enterococcus faecalis

B) Escherichia coli

C) Klebsiella pneumoniae

D) Proteus mirabilis

E) Staphylococcus saprophyticus

A

Escherichia coli

43
Q

CSF of a sick newborn yields Gram-positive, catalase-negative beta-hemolytic, bacitracin resistant coccus. Agent?

A) Haemophilus influenzae

B) Neisseria meningitidis

C) Staphylococcus aureus

D) Streptococcus agalactiae

E) Streptococcus pyogenes

A

Streptococcus agalactiae

44
Q

Patient presents with respiratory distress. Widening of mediastimun was noted on CXR. Pathogen?

A) Bacillus anthracis

B) Bacillus cereus

C) Clostridium botulinum

D) Clostridium perfringens

E) Clostridium tetani

A

Bacillus anthracis

45
Q

Patient weith liver problem developed severe septicemia after eating raw-oyster. Pathogen needed salt for growth?

A) Aeromonas hydrophila

B) Campylobacter jejuni

C) Helicobacter pylori

D) Vibrio cholerae

E) Vibrio vulnificus

A

Vibrio vulnificus

46
Q

Likely pathogen?

A) Aeromonas hydrophila

B) Campylobacter jejuni

C) Pseudomonas aeruginosa

D) Vibrio cholerae

E) Vibrio vulnificus

A

Pseudomonas aeruginosa

47
Q

After a cat scratch, patient presents with cellulitis. A Gram negative, oxidase and indole positive bacillus is isolated. Pathogen?

A) Bartonella henselae

B) Brucella melitensis

C) Francisella tularensis

D) Pasteurella multocida

E) Yersinia pestis

A

Pasteurella multocida

48
Q

A 3-yo boy presents with severe ear pain and a red tympanic membrane. A Gtam negative coccus grew on chocolate but not on blood agar. Agent?

A) Haemophilus influenzae

B) Moraxella catarrhalis

C) Neisseria gonorrhoeae

D) Pseudomonas aeruginosa

E) Streptococcus pneumoniae

A

Moraxella catarrhalis

49
Q

Granulomas and latency are most significant for this pathogen?

A) Actinomyces israelii

B) Nocardia asteroids

C) Mycobacterium avium

D) Mycobacterium marinum

E) Mycobacterium tuberculosis

A

Mycobacterium tuberculosis

50
Q

CSF of a sick newborn yields Gram-positive, catalase-negative beta-hemolytic, bacitracin sensitive coccus. Agent?

A) Haemophilus influenzae

B) Neisseria meningitidis

C) Staphylococcus aureus

D) Streptococcus agalactiae

E) Streptococcus pyogenes

A

Streptococcus pyogenes

51
Q

After a flea bite, presentation is a progressively enlarging painful lymph node. Pathogen?

A) Bartonella bacilliformis

B) Brucella melitensis

C) Francisella tularensis

D) Pasteurella multocida

E) Yersinia pestis

A

Yersinia pestis

52
Q

Patient presents with severe chest congestion and fever of 39 C. Blood-tinged sputum yields lancet-shaped diplococci. Agent?

A) Enterococcus feacalis

B) Staphylococcus aureus

C) Streptococcus agalactiae

D) Streptococcus pneumoniae

E) Viridans streptococci

A

Streptococcus pneumoniae

53
Q

What is incorrect about human microbiome?

A) ~300 trillion bacterial cells

B) Bacterial cells outnumber human cells 10:1

C) Up to 10,000 different bacteria

D) Human cells outnumber bacterial cells 10:1

E) 23,000 human genes but over 1,000,000 microbial genes

A

Human cells outnumber bacterial cells 10:1 is incorrect.

54
Q

Which one has a tennis racquet appearance?

A) Bacillus anthracis

B) Bacillus cereus

C) Clostridium botulinum

D) Clostridium perfringens

E) Clostridium tetani

A

Clostridium tetani

55
Q

A 29-yo female has dysuria, urgency. Urine yields Gram-positive, catalase-positive coccus. Agent?

A) Enterococcus faecalis

B) Escherichia coli

C) Staphylococcus epidermidis

D) Staphylococcus saprophyticus

E) Streptococcus agalactiae

A

Staphylococcus saprophyticus

56
Q

A 69 yo male presents with high fever, respiratory distress, nausea and vomitting. Pathogen was isolated from his shower head on BCYE agar. Pathogen?

A) Bordetella pertussis

B) Haemophilus influenzae

C) Legionella pneumophila

D) Pseudomonas aeruginosa

E) Streptococcus agalactiae

A

Legionella pneumophila

57
Q

Bacteremic patient with these lesions. What pathogen?

A) Aeromonas hydrophila

B) Campylobacter jejuni

C) Pseudomonas aeruginosa

D) Vibrio cholerae

E) Vibrio vulnificus

A

Pseudomonas aeruginosa

58
Q

Bacitracin (A-disk) sensitive streptococci?

A) Streptococcus bovis

B) Streptococcus agalactiae

C) Streptococcus pneumoniae

D) Streptococcus pyogenes

E) Viridans streptococci

A

Streptococcus pyogenes

59
Q

Staphylococci most commonly associated with food poisoning?

A) Staphylococcus aureus

B) Staphylococcus capitis

C) Staphylococcus epidermidis

D) Staphylococcus haemolyticus

E) Staphylococcus saprophyticus

A

Staphylococcus aureus

60
Q

The patient presents with fever, GI symptoms and rose spots on the abdomen. Agent?

A) Enterococcus faecalis

B) Escherichia coli

C) Salmonella Typhi

D) Salmonella Typhimuriam

E) Shigella dysenteriae

A

Salmonella Typhi

61
Q

Positive test. Pathogen?

A) Enterococcus faecalis

B) Escherichia coli

C) Klebsiella pneumoniae

D) Proteus mirabilis

E) Staphylococcus saprophyticus

A

Proteus mirabilis

62
Q

Patient presents with sore throat, a dark greyish membrane in the tonsillar region and respiratory distress. Pathogen?

A) Corynebacterium diphtheriae

B) Listeria monucytogenes

C) Staphylococcus aureus

D) Streptococcus agalactiae

E) Streptococcus pyogenes

A

Corynebacterium diphtheriae

63
Q

Most likely cause?

A) Enterococcus feacalis

B) Pseudomonas aeruginosa

C) Staphylococcus epidermidis

D) Streptococcus agalactiae

E) Streptococcus pyogenes

A

Streptococcus pyogenes

64
Q

Presence of microbial cells in which organ/body part is most critical for human health?

A) Gastrointestinal tract

B) Skin

C) Urinary tract

D) They are irrelevant for human health

A

Gastrointestinal tract

65
Q

A curved bacillus with fermenting growth was isolated on TCBS agar from a patient with rice-water like stool. Pathogen?

A) Aeromonas hydrophila

B) Campylobacter jejuni

C) Helicobacter pylori

D) Vibrio cholerae

E) Vibrio vulnificus

A

Vibrio cholerae

66
Q

1 cause of gastroenteritis in the US?

A) Aeromonas hydrophila

B) Campylobacter jejuni

C) Helicobacter pylori

D) Vibrio cholerae

E) Vibrio vulnificus

A

Campylobacter jejuni

67
Q

The main pathogen isolated from a patient with an abdominal abscess is an anaerobe. Agent?

A) Actinomyces israelii

B) Bacteroides fragilis

C) Clostridium botulinum

D) Clostridium difficile

E) Staphylococcus aureus

A

Bacteroides fragilis

68
Q

A 24-yo, sexually-active woman experienced dysuria & urgency. Urine culture was positive for growth on Mannitol salt agar. Agent?

A) Enterococcus faecalis

B) Escherichia coli

C) Klebsiella pneumoniae

D) Proteus mirabilis

E) Staphylococcus saprophyticus

A

Staphylococcus saprophyticus

69
Q

Patient presents with hemorrhagic skin lesions and high vever. Blood culture yields an oxidase positive Gram negative coccus. Agent?

A) Moraxella catarrhalis

B) Neisseria gonorrhoeae

C) Neisseria meningitidis

D) Staphylococcus aureus

E) Streptococcus agalactiae

A

Neisseria meningitidis

70
Q

After a cat scratch, a skin lesion develops that was followed by chronic lymphadenopathy for months. Pathogen?

A) Bartonella henselae

B) Brucella melitensis

C) Francisella tularensis

D) Pasteurella multocida

E) Yersinia pestis

A

Bartonella henselae

71
Q

Staphylococcus most commonly associated with UTI?

A) Staphylococcus aureus

B) Staphylococcus capitis

C) Staphylococcus epidermidis

D) Staphylococcus haemolyticus

E) Staphylococcus saprophyticus

A

Staphylococcus saprophyticus

72
Q

Bacterial product with most potent immunomodulatory effect?

A) Bacterial ribosomes

B) Capsule

C) Lipopolysaccharide

D) Teichoic acids

E) Peptidoglycan

A

Lipopolysaccharide (LPS)

73
Q

Isolate from a patient with watery diarrhea was motile, a non-fermenter on MacConkey and produced H2S. Agent?

A) Enterococcus faecalis

B) Escherichia coli

C) Salmonella Typhi

D) Salmonella Typhimuriam

E) Shigella dysenteriae

A

Salmonella Typhimuriam

74
Q

Enterobacteriaceae that can grow at 4 deg C and cause disease in the terminal colon?

A) Enterococcus faecalis

B) Escherichia coli

C) Klebsiella pneumoniae

D) Proteus mirabilis

E) Yersinia enterocolitis

A

Yersinia enterocolitis

75
Q

A boy presents with bloody diarrhea. Stool culture yields a GNB that also produced shiga toxin. Agent?

A) Enterotoxigenic Escherichia coli (ETEC)

B) Enteropathogenic Escherichia coli (EPEC)

C) Enteroaggregative Escherichia coli (EAEC)

D) Enterohemorrhagic Escherichia coli (EHEC)

E) Enteroinvasive Escherichia coli (EIEC)

A

Enterohemorrhagic Escherichia coli (EHEC)

76
Q

Thayer Martin agar is used to culture this pathogen?

A) Moraxella catarrhalis

B) Neisseria gonorrhoeae

C) Neisseria meningitidis

D) Staphylococcus aureus

E) Streptococcus agalactiae

A

Neisseria gonorrhoeae

77
Q

Catalase positive Staphylococcus?

A) Staphylococcus aureus

B) Staphylococcus epidermidis

C) Staphylococcus saprophyticus

D) All of the above

E) None of the above

A

All of the above

78
Q

Which bacterium shows aerial hyphae over colonies and can cause pulmonary disease?

A) Actinomyces israelii

B) Nocardia asteroids

C) Mycobacterium marinum

D) Mycobacterium leprae

E) Mycobacterium tuberculosis

A

Nocardia asteroids

79
Q

Fluid drained from an apparent swollen and painful knee joint of a 23 yo patient shows Gram positive coccus. Most likely agent?

A) Moraxella catarrhalis

B) Neisseria gonorrhoeae

C) Neisseria meningitidis

D) Staphylococcus aureus

E) Streptococcus agalactiae

A

Staphylococcus aureus

80
Q

A 3-yo boy presents with breathing difficulty and is desperately trying to breath through his mouth. Blood culture is negative on blood agar but there are some small colonies near a Staphylococcus aureus contamination on the plate. Pathogen?

A) Bordetella pertussis

B) Haemophilus influenzae

C) Legionella pneumophila

D) Pseudomonas aeruginosa

E) Streptococcus agalactiae

A

Haemophilus influenzae

81
Q

32 year old male in Ghama presents with inguinal lymphadenopathy. Many healed genital lesions were noted on exam that the patient was unaware of. Pathogen?

A) Chlamydia trachomatis LGV

B) Haemophilus ducreyi

C) Klebsiella granulamatis

D) Mycoplasma genitalium

E) Ureaplasma urealyticum

A

Chlamydia trachomatis LGV

82
Q

Most likely pathogen?

A) Corynebacterium diphtheriae

B) Corynebacterium minutissimum

C) Staphylococcus aureus

D) Staphylococcus agallactiae

E) Streptococcus pneumoniae

A

Corynebacterium minutissimum

83
Q

Patient presents with tarry colored stool. Complains of anorexia and fullness. Tests positive in urea breath test. Pathogen?

A) Aeromonas hydrophila

B) Campylobacter jejuni

C) Helicobacter pylori

D) Vibrio cholerae

E) Vibrio vulnificus

A

Helicobacter pylori

84
Q

A rabbit hunter presents with an ulcer on his forefinger, axillary adenopathy, fever, and chills. Pathogen?

A) Bartonella bacilliformis

B) Brucella melitensis

C) Francisella tularensis

D) Pasteurella multocida

E) Yersinia pestis

A

Francisella tularensis

85
Q

Likely cause?

A) Bacillus anthracis

B) Bacillus cereus

C) Clostridium botulinum

D) Clostridium difficile

E) Clostridium perfringens

A

Bacillus anthracis

86
Q

Novobiocin resistant staph?

A) S. aureus

B) S. epidermidis

C) S. saprophyticus

A

S. saprophyticus

87
Q

What is unique to gram positive bacteria?

A) Cell wall

B) Outer membrane

C) Peptidoglycan

D) Pili

E) Teichoic acid

A

Teichoic acid

88
Q

PPD test determines exposure to this pathogen?

A) Actinomyces israelii

B) Nocardia asteroids

C) Mycobacterium marinum

D) Mycobacterium leprae

E) Mycobacterium tuberculosis

A

Mycobacterium tuberculosis

89
Q

Which one causes flaccid paralysis?

A) Bacillus anthracis

B) Bacillus cereus

C) Clostridium botulinum

D) Clostridium perfringens

E) Clostridium tetani

A

Clostridium botulinum

90
Q

PYR-test positive streptococci?

A) Streptococcus bovis

B) Streptococcus agalactiae

C) Streptococcus pneumoniae

D) Streptococcus pyogenes

E) Ciridans streptococcus

A

Streptococcus pyogenes

91
Q

Patient presents with sore throat. ASO test is positive for the pharyngeal sample. Pathogen?

A) Corynebacterium diphtheriae

B) Neisseria gonorrhoeae

C) Staphylococcus epidermidis

D) Streptococcus agalactiae

E) Streptococcus pyogenes

A

Streptococcus pyogenes

92
Q

A 24-yo, sexually-active woman experienced dysuria & urgency. Urine culture on MacConkey produced non-fermenting growth. Urease positive. Agent?

A) Enterococcus faecalis

B) Escherichia coli

C) Klebsiella pneumoniae

D) Proteus mirabilis

E) Staphylococcus saprophyticus

A

Proteus mirabilis

xS1B5 - Microbiology (14 decks)

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