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Microbiology Qbank > Micro > Flashcards

Micro Flashcards

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1
Q

Meningoencephalitis, vesicular lesions

A

Herpes simplex virus-2

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2
Q

I ♥️ Rubi earrings

A

Rubella

Cataract
Deafness
Heart disease (PDA)
Blueberry muffin rash

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3
Q

CMV neonatal manifestations

A 
Hearing loss
Seizures 
Petechial rash
Blueberry muffin rash 
PERIVENTRICULAR CALCIFICATIONS
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4
Q

Toxoplasma gondii

Triad

A

Chorioretinitis
Hydrocephalus
Intracranial calcifications
+/- blueberry muffin rash

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5
Q

Nitrite test

diagnostic ?

A

UTI caused by enterobacteriaceae

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6
Q

Reiter syndrome

Triad

A

Arthritis
Urethritis
Conjunctivitis

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7
Q

Reiter syndrome

A

Autoimmune reaction to a previous infection w/ one of th following org 👉shiguell, salmonella, yersinia, campylobacter, chlamydia

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8
Q

Chlamydia trachomatis

Unable to synthesize ?

A

ATP

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9
Q

Chlamydia

Elementary body ^ reticulate body functions ?

A

Elementary body 👉 enters cell

Reticulate body 👉 replicates in cell by fission

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10
Q

Owl’s eye inclusion

A

CMV

Basophilic intranuclear inclusion body

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11
Q

PYR + (2)

A

S pyogenes

Enterococci

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12
Q

C botulinum

4D’s

A

Diplopia
Dysarthria
Dysphagia
Dyspnea

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13
Q

Nocardia (5)

GRAM +

A 
Aerobe 
Acid fast
Soil 
Cause pulmonary inf, cutaneous inf 
TMP-SMX
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14
Q

Actinomyces (5)

GRAM +

A 
Anaerobe
Not acid fast 
Oral, reprod, GI flora 
Facial abscesses, sulfur granules
Penicillin
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15
Q

TB

Inhibit phagolysosomal fusion ?

A

Sulfatides

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16
Q

Tuberculoid form
TH1
Treatment ? (2)

A

Dapsone

Rifampin

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17
Q

Lepromatous form
TH2
Treatment ? (3)

A

Dapsone
Rifampin
Clofazimine

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18
Q

EMB agar

A

Lactose fermenters grows as black/purple colonies

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19
Q

MacConkey agar

Pink colonies

A

Ferment lactose

Klebsiella
E coli
Enterobacter
Serratia

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20
Q

Bordetella pertussis

3 stages:

A

Catarrhal 🤒 coryza, fever
Paroxysmal 😥 whooping cough
Convalescent 😩

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21
Q

HUS
Causes ? (2)
Triad ?

A

EHEC O157:H7
Shiga- like toxin

Anemia, thrombocytopenia, ARF

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22
Q

H pylori treatment

A

Amoxi (metronidazole if penic allergy)
Clarithromycin
PPI

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23
Q

Leptospirosis

Symptoms ? (5)

A 
Flu like
Myalgias (calves)
Jaundice 
Photophobia 
Conjunctival suffusion (erythema w/o exudate)
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24
Q

Lyme
DOC ?
Treatment in pregnant/ children ?

A

DOC: DOXYCYCLINE

pregnant: Amoxi, Cefuroxime

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25
Q

Ixodes deer tick

Transmission ? (3)

A

Borrelia burgdorferi
Anaplasma
Babesia microti

26
Q

Secondary syphilis

Labs

A

VDRL/RPR (nonspecific)

FTA-ABS (specific)

27
Q

Neurosifilis

Labs ?

A

VDRL
FTA-ABS
PCR

28
Q

VDRL false ➕ ? (4)

A

Viral infection
Drugs
Rheumatic fever
Lupus and leprosy

29
Q

Mulberry like inclusions

A

Monocytes = Ehrlichiosis

30
Q

Morulae in cytoplasm

A

Granulocytes = anaplasmosis

31
Q

Culture ➖ endocarditis

A

Coxiella burnetti

32
Q

Transient arthralgia would be expected in an adult w/?

A

B19 virus

Rubella

33
Q

Most important pathogenic attribute of pseudomonas aeruginosa in cystic fibrosis ?

A

Capsule: makes phagocytosis impossible

34
Q

Generalized transduction

A

Error of lytic virus life cycle, any chromosomal DNA can be transferred

35
Q

Specialized transduction

A

Error of temperate virus life cycle, genes near the virus insertion site may be transferred

36
Q

Polyarticular arthritis in sexually active patients

A

Neisseria gonorrhoeae

37
Q

N. Gonorrhoeae
🔹️Localized arthritis
🔹️Disseminated gonococcal dermatitis - arthritis sx triad ?

A

Dermatitis
Tenosynovitis
Polyarthritis

38
Q

Nonimmunogenic capsules (2)

A

S pyogenes ➡️ hyaluronic acid

N meningitidis B ➡️ sialic acid

39
Q

Ferment mannitol
Grows on mannitol salt agar
PYR ➖

A

S aureus

40
Q

Boxcar shaped GRAM ➕ rod

Treatment ?

A

B anthracis

Cipro or doxycycline

41
Q

Fever, chills, fatigue
Outdoor hiking trip
Small rings in RBC

A

Babesia microti

42
Q

Dermacentor andersoni tick (3)

A

Colorado tick fever
RMSF
Francisella tularensis

43
Q

Specialized transduction
Bacterial toxic factors acquired during lysogeny
COBEDS

A 
Cholera toxin 
O ag of salmonella 
Botulinum exotoxin
Erythrogenic exotoxins of S pyogenes 
Diphtheria toxin
Shiga toxin
44
Q

Mississippi-Ohio-Missouri river valleys w/ calcifying lung lesions ? (2)

A

Histoplasma

Blastomyces

45
Q

HBV Window period serologic markers ? (2)

A

HBcAb

HBeAb

46
Q

Postinfluenza bacterial pneumonia w/ cavitary lesions ^ salmon colored sputum

A

S aureus

47
Q

Postinfluenza bacterial pneumonia w/ rusty sputum ?

A

S pneumoniae

48
Q

RMSF pathogenesis ?

A

Intracellular infection of endothelial cells

49
Q

Maternal CMV infection symptoms ?

A

Asymptomatic

Flulike symptoms

50
Q

Maternal toxoplasma gondii infection

Symptoms?

A

Asymptomatic

Lymphadenopathy

51
Q

Maternal rubella infection

Symptoms ?

A

Rash
Lymphadenopathy
Polyarthritis
Polyarthralgia

52
Q

Property that provides TB with resistance to GRAM stain reagents ?

A

Mycolic acid

53
Q

Members of the enterobacteriaceae

Nitrite- positive

A

E coli
K pneumoniae
Proteus mirabilis

54
Q

Which virulence factor is responsible for the skin rash in scarlet fever ?

A

Pyrogenic exotoxin

55
Q

Yersinia enterocolitica

Transmission ?

A

Pork

Milk

56
Q

Which mechanism does S aureus use to protect itself from phagocytosis ?

A

Inhibition of opsonization

57
Q

Parvovirus B19 receptor ?

A

P antigen on RBC

58
Q

Genetic shift

A

Causes pandemics

Reassortment of viral genome segments

59
Q

Superinfection

Worse prognosis

A
  1. HBV and then HDV
60
Q

Lyme disease in a kid < 8 yrs

Treatment ?

A

AMOXICILLIN

Microbiology Qbank (1 decks)

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