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Med Prep > microbio - context clues and other extras > Flashcards

microbio - context clues and other extras Flashcards

0
Q

“Bull neck” appearance + pseudomembrane

A

Diphtheria

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1
Q

Pale, greasy, malodorous stools with malabsorption after drinking untreated stream or lake water

A

Giardia lamblia

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2
Q

19yr old man develops fever, sore throat, malaise, headache, nausea, and rash on the lower parts of both is arms and legs

A

Rickettsia rickettsii

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3
Q

Travel to Europe + tick bite + flu-like + ecchymoses + petechiae

A

Babesia

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4
Q

Travel to US (Oklahoma/Arkansas/Missouri) + wild rabbits + tabanid fly

A

Tularemia

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5
Q

Army barracks + flu like+ maculopapular rash + petechiae

A

Meningococcemia (n.meningitidis)

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6
Q

Camping + tick bite + flu like + blanching macules

A

Rocky Mountain spotted fever (rickettsia rickettsii)

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7
Q

Hemorrhagic vesicles surrounded by a rim of erythema with central necrosis or ulceration

A

Erythema gangrenosum (p.aeruginosa and A.hydrophila)

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8
Q

Trauma/post-op incision + red, hot, shiny, swollen + exquisite tenderness

A

Necrotizing fasciitis (group A strep)

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9
Q

Transplant recipients + diabetes, elderly, Cancer patients + meningismus

A

Bacterial meningitis ( strep.pneumoniae)

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10
Q

Para nasal infection + fever + nuchal rigidity + brainstem signs

A

Subdural empyema (microaerophilic staph and strep)

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11
Q

Facial or sphenoidal sinus infection + unilateral + retro-orbital headaches

A

Septic cavernous sinus thrombosis (staph)

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12
Q

Ethmoid or maxillary sinus infection + nuchal rigidity + brain stem signs

A

Septic thrombosis of the superior Sagittal sinus (s.pneumoniae)

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13
Q

Travel + fever + jaundice + bleeding + neurologic signs

A

Fulminant malaria (p.falciparum)

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14
Q

Endocarditis + injection drug users + tricuspid valve

A

Staph aureus

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15
Q

Ingestion of shellfish + flu like + hypotension + bullous lesions + leg pain

A

Vibrio vulnificus

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16
Q

Most commons presenting sign of liver abscess

A

Fever

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17
Q

Inflammatory diarrhea + poultry + raw milk

A

Campylobacter jejuni

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18
Q

Dysentery + mollusks + crustaceans

A

Vibrio parahemolyticus

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19
Q

Diarrhea+ ingestion of potato + egg salad + mayonnaise

A

Staph aureus

20
Q

Diarrhea + fried rice ingestion + china town

A

Bacillus cereus

21
Q

Diarrhea + beef, poultry + legumes

A

Clostridium perfringens

22
Q

Watery diarrhea + shellfish ingestion

A

Vibrio cholera

23
Q

Watery diarrhea + salads + cheese

24
Q

Bloody diarrhea + salami + apple juice + raw veggies

25
Q

Necrotizing fasciitis that leaked into the perineal area causing massive swelling of scrotum of penis

A

Fourneir’s gangrene

26
Q

Puncture wound of the foot

A

P. aeruginosa

27
Q

Indolent + culture negative + a febrile + endocarditis

A

Tropheryma whipplei

28
Q

Diagnosis of infective endocarditis

A

Duke criteria

29
Q

Painful genital ulcers

30
Q

Painless genital ulcer

A

Primary syphilis

31
Q

Child + peri orbital cellulitis + sinusitis + ear discharge

A

H. Influenzae

32
Q

Cellulitis + exposure to fresh water

A

Aeromonas hydrophila

33
Q

HIV + hypoxemia + CXR infiltrates

A

Pneumocystis jiroveci

34
Q

Un pasteurized milk + cabbage

A

Listeria monocytogenes

35
Q

Aseptic meningitis + facial diplegia

A

Borrelia burgdoferi

36
Q

Steeple sign + croup

A

Parainfluenza virus

37
Q

Thumbprint sign + epiglottis

A

H.influenzae

38
Q

Unilateral/ bilateral parotid swelling + pain aggravate when drinking citrus juice

A

Mumps virus

39
Q

Outbreaks of respiratory infections every winter

40
Q

Outbreaks of respiratory infections in hospitalized infants

41
Q

Making more than one type of mRNA for the same piece of DNA (virus)

A

Shifting the reading frame

42
Q

New properties that a bacterium acquires as a result of expression of the integrated probated genes

A

Lysogenic conversion

43
Q

Major determinant of virulence in h.influenzae

44
Q

Toxin of v.cholerae and LT enterotoxic of E. coli are similar

A

B subunits of the toxin bind to GM1 receptors on the host cell

45
Q

Quinolones kill bacteria by

A

Inhibiting DNA gyrase

46
Q

Confers resistance to malaria

A

G6PD, hemoglobin C or E

47
Q

Meyers-Kouwenaar syndrome is a synonym for

A

Tropical pulmonary eosiophilia
Occult filariasis
Weingartner’s syndrome

Med Prep (52 decks)

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