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Flashcards in Microbiology Deck (101):
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Dysentery without fever, flasked shaped ulcers, Charcot-Leyden crystals on fecal smears. What is the treatment of this pathogen?

Cyst: Diloxanide furoate
Trophozoites: Metronidazole

Entamoeba histolytica

1

What is the most common extraintestinal form of a parasite presenting with an anchovy like aspirate?

Amebic liver abscess

2

This parasite has an acute and chronic phase. Acute: abdominal pain, diarrhea, flatulence, smelling like rotten eggs.
Chronic: Constipation, weight loss, and steatorrhea.

What is the motility pattern of this parasite

Giardia Lambia: Falling leaf motility

3

Treatment for this organism which presents with a foul-smelling greenish vaginal discharged accompanied by itching and burning. Strawberry cervix is a clinical feature.

Metronidazole
treatment for
Trichomonas Vaginalis

4

Recurrence of symptoms after a temporary abatement (2-4) weeks. What do you call this clinical outcome and which organism is it noted in?

Recrudescence could be cause by P. Falciparum and P. Malariae

5

Return of a disease after its apparent cessation (1-6 months) due to reactivation of hyponozoites is seen in which organisms?

Relapse is seen in P. ovale and in P. Vivax

6

What kind of stains and smear do you use for Malaria?

Thick smears to screen for the presence of organism. Thin smear is for species identification. Giemsa stain is the stain used.

Highest yield when blood samples are taken during fever or 2-3 hours after peak.

7

Punctate granulations present in red bood sell invaded by P. Ovale and P. Vivax

Schuffner dots

8

Coarse granulations present in red blood cells invaded by P. falciparum

Maurer dota

9

Fine dots present in red blood cells invaded by P. malariae

Ziemann dots

10

What is a finding seen in cerebral malaria?

Durke granuloma

11

Acute renal failure in malaria is called?

Blackwater Fever

12

High endemicity areas of malaria

Palawan, Kalinga-Apayao, Ifugao, Agusan del Sur

13

Areas of chloroquine-resistance in Malariae

Palawan, Davao del Norte, Compostela Valley

14

Immunocompetent individuals present with heterophil-negative mononucleosis, whereas immunocompromised patients will present with encephalitis with ring enhancing lesions.

Toxoplasma gondii

15

Periorbital edema and a nodule near the bite is seen in this disease.

Romana sign and Chagoma are both seen in acute Chagas disease by the Trypanosoma Cruzi.

16

Myocarditis, megacolon, megaesophagus (achalasia) are seen in the chronic form of this organism.

Chronic disease of Trypanosoma Cruzi

17

Indurated skin ulcer or chancre with intermittent weekly fever and LAD, excessive somnolence, Winterbottom sign, encephalitis, Hypersthesia or Kerandel sign are all seen in?

Trypanosoma Brucei complex

18

Species commonly associated with red tide poisoning?

Pyrodinium bahamense var. compresum

19

Shellfish poisoning syndromes that is paralytic is seen in which kind of toxin?

Saxitoxin

20

A neurotoxic presentation of shellfish poisoning syndrome which includes slurred speech, ataxia, facial paresthesia, and diarrhea are seen in which toxin?

Brevetoxin

21

Diarrhea, Nausea and vomiting, abdominal pain are seen in which toxin for the shellfish poisoning syndromes?

Okadaic acid

22

Shellfish poisoning syndrome which includes short-term memory loss, diarrhea and seizures are produced by which Toxin?

Domoic acid

23

Eating of undercooked pork presents with mild intestinal symptoms and could sometimes lead to seizures. In addition, it is possible to see worms in vitreous humor with these organisms. What is the organism?

Neurocysticercosis by Taenia Solium

24

Abdominal pain and diarrhea occurs and may sometimes lead to megaloblastic anemia due to vitamin B12 deficiency. What is the causative agent?

Diphyllobotrium latum

25

Ruptured hydatid cysts could lead to a life-threatening anaphylaxis. What is the treatment of this parasite prior to the anaphylaxis?

Albendazole to treat Echinococcus granulosus

26

What do you call systemic hypersentivity resembling serum sickness which is caused Schistosoma japonicum?

Katayama fever

27

Swimmer's itch and Katayama fever are caused by this organism

Schistosoma japonicum

28

Chronic cough with bloody sputum, this parasite closely resembles TB and has a ring-shadowed opacity in the chest x-ray. What is the animal that harbors this organism?

Crabs are hosts for Paragonimus westermani

29

The chronic phase produced by this parasite could lead to hepatobiliary disease, pancreatitis, neurocirculatory dystonia, and cholangiocarcinoma.

Clonorchis Sinensis

30

Loeffler's syndrome, acute intestinal obstruction, malabsorption syndrome. What are the two common drugs used against this parasite?

Albendazole (has more larvicidal)
Mebendazole

31

Serpiginous tracks, eosinophilic pneumonia during transpulmonary phase, chronic disease, microcytic anemia, hypoalbuminemia are seen in the acute phase of this parasite infection.

Necator and ancylostoma

32

Recatal prolapse from increased persistalsis to expel the worms are noted in this organism. It has a barrel shaped egg with bipolar plugs. What is the treatment for this organism?

Mebendazole for Trichuris trichura

33

Pruritus ani, eosinophilic enterocolitis, vulvovaginitis, appendicitis are seen in this parasite easily diagnosed with the Graham test.

Enterobius vermicularis

34

Treatment for a parasite which produces an eosinophilic pneumonia in its acute phase and serpiginous, duodenitis, paradoxical asthma, hyperinfection syndrome in its chronic phase.

Ivermectin

35

This parasite produces borborygmus in its acute disease. On its chronic disease, it produces a chronic watery diarrhea, protein-losing enteropathy, and hypogammaglobinemia. What is this organism?

Capillaria philippinensis

36

In filarial fever, what bodies are found in nocturnal wheezing (Tropical pulmonary eosinophilia)

Meyers-Kuvenaar bodisea

37

In Filariasis which species is linked to hydrocele and which species is seen presenting with elephantiasis.

Wuchereria (Water)
Brugia (Binti)

38

Fever, muscle pain, periorbital edema, eosinophilia, and hemorrhagic phenomena are seen in the acute phases of this parasite.

Myocarditis, encephalitis, pneumonia, respiratory myosits is seen in the chronic phase of this disease.

Teichinella spiralis

39

Hypopigmented areas
Spaghetti / meatballs appearance on 10% KOH

Malasezzia furfur

40

Associated occupation is for gardener for this organism

Spirothrix schenckii

41

Lung infiltrates, adenopathy, or effusions
erythema nodosum (dessert bumps)
arthralgia
Meningitis
Spherules with endospores

Coccidiodes immitis

42

Closely mimics TB
CHronic pneumonia
erythema nodosum
Tongue ulcerations in AIDS patients

Histoplasma capsulatum

43

Dimorphic yeast
Broad-based bud
chronic pneumonia
ulcerated granulomas
lytic bone lesions
prostatitis

Blastomyces dermatidis

44

Oral thrush
vulvovaginitis
skin infections
onychomycosis
esophagitis

Candida albicans

45

Primary infection: Asymptomatic pneumonia
Meningitis
Encephalitis
Pigeon droppings

Cryptococcus neoformans

46

Fungus ball in lung cavities

Asperigillus fumigatus

47

Rhino-orbital-cerebral infection with eschar formation
patients with DKA, burns, or leukemia

Mucormycosis

Rhizophus oryzae and Mucor spp

48

Occurs when CD4 < 200
This is the most common AIDS defining illness
diffuse interstitial pneumonia with ground glass infiltrates bilaterally
100% mortality if untreated

Pneumocystis jirovecii

49

Bacterial culture media for Clostridium perfringens

Egg yolk agar

50

Bacterial culture media for Corynebacterium diphteriae

Tellurite

51

Bacterial culture media for Group D Streptococci

Bile eschulin

52

Bacterial culture media for Staphylococci

Mannitol Salts

53

Bacterial culture media for Neisseria spp.

Chocolate agar

54

Bacterial culture media for N. gonnorhea from non sterile sites

Thayer Martin

55

Bacterial culture media for H. influenzae

Chocolate agae with Factor X & V

56

Bacteria isolated from Lowenstein-Jensen

M. Tuberulosis

57

Bacteria isolated from Thiosulfate Citrate Bile salts (TCBS)

Vibrio cholerae

58

Bacteria isolated from Bordet-Gengou & Regan Lowe

Bordatella Pertussis

59

Bacteria isolated from Charcoal-yeast extract

Legionella

60

Bacteria isolated from Skirrow agar

Campylobacter jejuni & Helicobacter pylori

61

Bacteria isolated from Barbour-Stoenner-Kelly (BSK)

Borrelia Burgdoferri

62

Bacteria isolated from Eaton agar

Mycoplasma pneumoniae

63

Bacteria isolated from Cetrimide agar

Pseudomonas Aeroginosa

64

Bacteria isolated from Xylose-Lysine-deoxycholate (XLD)

Salmonella & Shigella

65

Ellinghausen-McCullough-Johnson-Harris (EMJH)

Leptospirosis interrogan, Spirochete

66

Normal flora of the:
Skin
Nose
Mouth
Dental plaque
Colon
Vagina

Skin: S. epidermidis
Nose: S. aureus
Mouth: Viridans Streptococci
Dental plaque: S. mutans
Colon: Bacteroides, E. coli
Vagina: Lactobacillus, E. Coli, Group B Streptococci

67

Gram positive cocci in clusters
Catalase positive
Coagulase positive

Staph aureus

68

Gram positive cocci in clusters
Catalase positive
coagulase negative
Novobiocin sensitive

Staph epidermidis

69

Gram positive cocci in clusters
Catalase positive
coagulase negative
Novobiocin resistant

Staph Saphrophyticus

70

Gram positive cocci in chains
Catalase negative
Alpha hemolytic
Bile-optochin-sensitive

S. pneumoniae

71

Gram positive cocci in chains
Catalase negative
Alpha hemolytic
Bile-optochin-resistant

Viridans

72

Gram positive cocci in chains
Catalase negative
Beta hemolytic
Bacitracin sensitive

S. pyogenes

73

Gram positive cocci in chains
Catalase negative
Beta hemolytic
Bacitracin resistant

S. agalactiae

74

Gram positive cocci in chains
Catalase negative
gamma hemolytic

Group D strep / enterococci

75

Spore-forming gram positive rods
Aerobic, nonmotile, box-car shaped

Bacillus anthracis

76

Spore-forming gram positive rodsAerobic, motile, reheated fried rice

Bacillus Cereus

77

Spore-forming gram positive rods
Anaerobic, tennis-racket-like

C. tetany

78

Spore-forming gram positive rods, anaerobic, bulging cans

C. Botulinum

79

Spore-forming gram positive rods, Anaerobic, lecithinase, gas-forming

C. perfringens

80

Spore-forming gram positive rodsAnaerobic, pseudomembranes

C. Difficile

81

Non-spore forming, gram positive rods, aerobic, non-motile, curved, chinese characters

Corynebacterium diphtheriae

82

Non-spore forming gram positive rods, aerobic, curved, tumbling motility

Listeria monocytogenes

83

Gram negative diplococci, encapsulated, ferments, maltose, and glucose

N. MeninGitidis

84

Gram negative diplococci, insignificant capsule, ferments glucose only

N. Gonorrhea

85

Gram negative rodds, enriched chocolate agar, polyribitol phosphate capsule

Hib

86

Gram negative rods, bordet gengou agar, whooping cough

Bordetella pertussis

87

Gram negative rods, poorly gram staining, silver stain, charcoal yeast agar, airconditioning

Legionella

88

Non-lactose fermenting, gram negative rods, motile oxidase negative, H2S producer

Salmonella

89

Non-lactose-fermenting, gram negative rods, non-motile, oxidase negative, H2S non-producer

Shigella

90

Non-lactose-fermenting, gram negative rods, warming, oxidase negative, H2s producer, urease

Proteus Mirabilis

91

Non-lactose-fermenting, gram negative rods, oxidase positive positive, H2S non producer, obligate aerobe

Pseudomonas aeroginosa

92

Gram negative rods, lactose fermenter, gree sheen

Escherichia Coli

93

Gram negative rods, lactose fermenter, urease positive, ESBL

Klebsiella pneumonia

94

Gram negative rods, comma-shaped, motile, oxidase positive

Vibrio cholera

95

Gram negative rods, comma-shaped, microaerophilic, skirrows agar

Campylobacter jejuni

96

Gram-negative rods, comma-shaped, urease positive

Helicobacter

97

All viruses are haploid EXCEPT

retrovirus

98

All DNA viruses have double-stranded DNA EXCEPT

Parvovirus

99

All RNA viruses have single-stranded RNA EXCEPT

Reovirus

100

All double-stranded DNA viruses are icosahedral EXCEPT

Poxvirus