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Flashcards in Microbiology systems Deck (113):
1

reheated rice diarrhea = ?

Bacillus cereus

2

canned food food poisoning = ?

Clostridium botulinum

3

Reheated meat dish food poisoning = ?

Clostridium perfringens

4

Undercooked meat food poisoning = ?

E.Coli 0157:H7

5

Food poisoning from eggs, meat, and poultry = ?

salmonella

6

Food poisoning from meats, mayonnaise, custard = ?

Staph Aureus

7

Contaminated seafood food poisoning = ?

Vibrio vulnificus or parahaemolyticus

8

Bacteria that causes dysentery + is associated with Guillain-barre syndrome = ?

Campylobacter

9

Protozoan that causes dysentery and liver abscesses = ?

Entamoeba histolytica

10

E.coli O157:H7 (EHEC) produces what toxin that causes dysentery?

Shiga-like toxin

11

Bloody or watery diarrhea: shigella

Bloody

12

Bloody or watery diarrhea: yersina enterocolitica

Bloody

13

Bloody or watery diarrhea: c.diff

Watery

14

Bloody or watery diarrhea: Clostridium perfringens

Watery

15

Bloody or watery diarrhea: campylobacter

Bloody

16

Bloody or watery diarrhea: Vibrio cholera

rice water

17

Bloody or watery diarrhea: viruses like rotavirus or norovirus

Watery

18

Bloody or watery diarrhea: giardia or cryptosporidium

Watery

19

Bloody or watery diarrhea: Enteroinvasive e.coli (EIEC)

Bloody

20

Bloody or watery diarrhea: enterotoxigenic e.coli (ETEC)

watery

21

What are the common causes of pneumonia in children?

RSV
Mycoplasma
C. trachomatis
C. pneumonia
Strep pneumonia

(runts may cough chunky sputum)

22

What are the two common causes of pneumonia in neonates?

GBS
E.coli

23

What are the common causes of pneumonia in adults?

Mycoplasma
C. pneumonia
S. pnuemonia

24

What is the bacteria that causes pneumonia in alcoholics?

Klebsiella

25

Which type of bacteria is commonly found in aspiration pneumonia?

Anaerobic bacteria

26

What are the three major causes of atypical pneumonia?

Mycoplasma
Legionella
Chlamydia

27

Pneumonia in a CF pt is probably which bacteria?

Pseudomonas aeruginosa

28

What are the major causes of pneumonia in immunocompromised pts?

Strep pneumoniae
Enteric gram negative rods
Pneumocystis jiroveci

29

What are the two major causes of nosocomial pneumonia?

Pseudomonas aeruginosa
Staphylococcus

30

What are the three common causes of meningitis in neonates?

GBS
E.coli
Listeria

31

What is the #1 cause of meningitis in teenagers?

neisseria meningitidis

32

What is bacterial cause of meningitis is commonly found in all age group, besides neonates?

Strep pneumoniae

33

What is the treatment for meningitis?

ceftriaxone + vanco

34

What abx should be added to the treatment for acute meningitis if listeria is suspected?

Ampicillin

35

true or false: HSV1 causes meningitis

false, causes encephalitis

36

What was the most common cause of pediatric meningitis 15 years ago?

HIB

37

Increased opening pressure of spinal tap + PMNs + increase protein + decreased sugar = what cause of meningitis (bacterial, viral, or fungal)?

bacterial

38

Increased opening pressure + increased lymphocytes + increased protein + decreased sugar = what cause of meningitis (bacterial, viral, or fungal)?

Fungal/TB

39

Normal opening pressure + increased lymphocytes + normal protein levels + normal sugar levels = what cause of meningitis?

viral

40

Osteomyelitis is most commonly caused by which bacteria?

Staph aureus

41

Which sexually transmitted bacteria can cause osteomyelitis?

N. Gonorrhoeae

42

Osteomyelitis in DM and IV drug users is commonly caused by which bacteria?

Pseudomonas or serratia

43

Sickle cell pt with osteomyelitis = ?

Salmonella

44

Osteomyelitis caused by a prosthetic joint replacement = ?

S. Aureus and S. epidermidis

45

Osteomyelitis caused by a dog or cat bite = which bacterial cause?

Pasteurella multocida

46

Nitrate urine test is positive for UTIs caused by what type of bacteria (gram + or -)?

gram negative

47

Leukocyte esterase test + in a urine test = UTI caused by what type of organism (viral, bacterial, or fungal)?

Baterial

48

+ urease test on urine test = which bacteria?

Proteus or klebsiella

49

- urease test on urine test = which bacteria?

E.coli, enterobacter

50

What are the three leading causes of UTIs in women?

E.coli
Staph Saprophyticus
Klebsiella pneumoniae

51

Swarming on agar = which bacteria?

Proteus

52

Blue-green pigment producing bacteria = ?

Pseudomonas Aeruginosa

53

Red pigmented bacteria = ?

Serratia

54

thin white vaginal discharge + fishy odor without inflammation = ?

BV

55

Frothy, grey-green, and foul smelling discharge with inflammation = ?

trichomoniasis

56

Clue cells = ?

BV

57

What is the treatment for BV?

Metronidazole

58

What is the treatment for trichomoniasis?

Metronidazole

59

What is the treatment for candida vulvovaginitis?

azoles

60

Thick, white "cottage cheese" vaginal discharge + inflammation = ?

candida Vulvovaginitis

61

What are the TORCHeS infections?

Toxoplasmosis
Other
Rubella
CMV
HIV
Herpes
Syphilis

62

Chorioretinitis +hydrocephalus + intracranial calcifications in a neonate =?

Toxoplasmosis

63

PDA + cataracts + deafness + blueberry muffin baby = ?

Rubella

64

Hearing loss + Szs + petechial rash + blueberry muffin rash in a neonate =?

CMV

65

Encephalitis + herpetic lesions in a neonate = ?

HSV-2

66

Hydrops fetalis or notched teeth, saddle nose, saber shins = ?

Congenital syphilis

67

What is the cause of hand-foot and mouth disease?

coxsackievirus type A

68

vasicular rash on palsm and soles, with vesciles and ulcers in the mouth = ?

hand foot and mouth disease (caused by coxsackievirus type A)

69

what is the cause of roseola?

HHV-6

70

What are the symptoms of roseola?

macular rash over the body after a fever/

71

What is the virus that causes fifth disease (slapped cheek syndrome)?

parvovirus B19

72

What is virus that causes measles?

Rubeola

73

rash that begins at the head and moves down = ?

Rubella (german measles)

74

What are the three C's of measles?

Cough
Coryza
Conjunctivitis

75

erythematous, sandpaper like rash with fever and sore throat = ?

Scarlet fever (caused by strep pyogenes)

76

vesicular rash that begins on the trunk and spreads outward with lesions at different stages = ?

VZV (chicken pox)

77

rash the begins distally, spreads proximally, and evolves all at the same time = ?

Smallpox

78

What is the virus that causes smallpox?

Variola

79

What causes chancroid?

Haemophilus ducreyi

80

What causes condylomata acuminata?

HSV-6 and 11

81

What causes genital herpes (which serotypes of the herpes virus?

HSV2

82

Painless chancre = ?

Primary Syphilis (treponema pallidum)

83

Fever + lymphadenopathy + skin rashes + condylomata = which STI?

Secondary syphilis

84

Gummas + Argyll Robertson pupil = ?

tertiary syphilis

85

Vaginitis + strawberry cervix + motile in wet prep = ?

trichomoniasis

86

What are the two most common causes of PID in order?

Chlamydia trachomatis
Neisseria gonorrhoeae

87

What is Hugh-Curtis syndrome?

Infection of the liver capsule and violin string adhesions of the peritoneum to the liver

88

What is the major nosocomial risk factor for an infection with candida albicans?

Hyperalimentation

89

What is the major nosocomial risk factor for an infection with CMV or RSV?

Hospitalization in newborn nursery

90

What are the two most common nosocomial causes of UTIs caused by catheterization?

E.coli
S. Aureus

91

Nosocomial infection associated with source of water?

Legionella

92

Nosocomial infection associated with respiratory equipment = ?

Pseudomonas aeruginosa

93

Rash in a child that begins at the head and moving down with post auricular adenopathy = ?

Rubella

94

Rash that begins at the head, moves downward, and is preceded by Cough, Coryza, conjunctivitis, and koplik spots = ?

Measles

95

Cherry red epiglottis + dysphagia + dyspnea secondary to epiglottitis = ?

HIB

96

Thumbprint sign on neck x-ray = ?

Epiglottitis secondary to HIB

97

Grayish oropharyngeal exudate = ?

Corynebacterium diphtheriae

98

Asplenic pts are susceptible to which bugs? (3)

S. pneumoniae
HIB
N. Meningitidis

99

Branching rods in oral infection. sulfur granules = ?

Actinomyces israelii

100

What is the cause of chronic granulomatous disease?

Inability of body to form superoxide

101

Currant jelly sputum = ?

Klebsiella

102

dog or cat bite bacteria = ?

pasteurella multocida

103

Facial nerve palsy bacteria, also cause of lyme disease = ?

Borrelia burgdorferi

104

Fungal infection in DM or immunocompromised pts = ?

Mucor or Rhizopus

105

Which strain of hepatitis is most commonly associated with health care providers?

B

106

Neutropenic pts are predisposed to developing which fungal infection by which yeast/fungus?

Candida albicans

107

What is the virus that often presents issues in transplant pts?

CMV (HHV5)

108

PAS+ bacteria = ?

Tropheryma awhipplei

109

Pneumonia in CF pts = ?

Pseudomonas aeruginosa

110

Hand foot and mouth disease = ?

Coxsackie A

111

Sepsis/meningitis in neonates = ?

GBS

112

Surgical wound infection is likely caused by which bacterium?

S. Aureus

113

Gas gangrene = ?

Clostridium perfringens