microbio - context clues and other extras

Question 0

“Bull neck” appearance + pseudomembrane

Answer 0

Diphtheria

Question 1

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

Answer 1

Giardia lamblia

Question 2

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

Answer 2

Rickettsia rickettsii

Question 3

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

Answer 3

Babesia

Question 4

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

Answer 4

Tularemia

Question 5

Army barracks + flu like+ maculopapular rash + petechiae

Answer 5

Meningococcemia (n.meningitidis)

Question 6

Camping + tick bite + flu like + blanching macules

Answer 6

Rocky Mountain spotted fever (rickettsia rickettsii)

Question 7

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

Answer 7

Erythema gangrenosum (p.aeruginosa and A.hydrophila)

Question 8

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

Answer 8

Necrotizing fasciitis (group A strep)

Question 9

Transplant recipients + diabetes, elderly, Cancer patients + meningismus

Answer 9

Bacterial meningitis ( strep.pneumoniae)

Question 10

Para nasal infection + fever + nuchal rigidity + brainstem signs

Answer 10

Subdural empyema (microaerophilic staph and strep)

Question 11

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

Answer 11

Septic cavernous sinus thrombosis (staph)

Question 12

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

Answer 12

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

Question 13

Travel + fever + jaundice + bleeding + neurologic signs

Answer 13

Fulminant malaria (p.falciparum)

Question 14

Endocarditis + injection drug users + tricuspid valve

Answer 14

Staph aureus

Question 15

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

Answer 15

Vibrio vulnificus

Question 16

Most commons presenting sign of liver abscess

Answer 16

Fever

Question 17

Inflammatory diarrhea + poultry + raw milk

Answer 17

Campylobacter jejuni

Question 18

Dysentery + mollusks + crustaceans

Answer 18

Vibrio parahemolyticus

Question 19

Diarrhea+ ingestion of potato + egg salad + mayonnaise

Answer 19

Staph aureus

Question 20

Diarrhea + fried rice ingestion + china town

Answer 20

Bacillus cereus

Question 21

Diarrhea + beef, poultry + legumes

Answer 21

Clostridium perfringens

Question 22

Watery diarrhea + shellfish ingestion

Answer 22

Vibrio cholera

Question 23

Watery diarrhea + salads + cheese

Answer 23

ETEC

Question 24

Bloody diarrhea + salami + apple juice + raw veggies

Answer 24

EHEC

Question 25

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

Answer 25

Fourneir's gangrene

Question 26

Puncture wound of the foot

Answer 26

P. aeruginosa

Question 27

Indolent + culture negative + a febrile + endocarditis

Answer 27

Tropheryma whipplei

Question 28

Diagnosis of infective endocarditis

Answer 28

Duke criteria

Question 29

Painful genital ulcers

Answer 29

Chancroid

Question 30

Painless genital ulcer

Answer 30

Primary syphilis

Question 31

Child + peri orbital cellulitis + sinusitis + ear discharge

Answer 31

H. Influenzae

Question 32

Cellulitis + exposure to fresh water

Answer 32

Aeromonas hydrophila

Question 33

HIV + hypoxemia + CXR infiltrates

Answer 33

Pneumocystis jiroveci

Question 34

Un pasteurized milk + cabbage

Answer 34

Listeria monocytogenes

Question 35

Aseptic meningitis + facial diplegia

Answer 35

Borrelia burgdoferi

Question 36

Steeple sign + croup

Answer 36

Parainfluenza virus

Question 37

Thumbprint sign + epiglottis

Answer 37

H.influenzae

Question 38

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

Answer 38

Mumps virus

Question 39

Outbreaks of respiratory infections every winter

Answer 39

RSV

Question 40

Outbreaks of respiratory infections in hospitalized infants

Answer 40

RSV

Question 41

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

Answer 41

Shifting the reading frame

Question 42

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

Answer 42

Lysogenic conversion

Question 43

Major determinant of virulence in h.influenzae

Answer 43

Capsule

Question 44

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

Answer 44

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

Question 45

Quinolones kill bacteria by

Answer 45

Inhibiting DNA gyrase

Question 46

Confers resistance to malaria

Answer 46

G6PD, hemoglobin C or E

Question 47

Meyers-Kouwenaar syndrome is a synonym for

Answer 47

Tropical pulmonary eosiophilia Occult filariasis Weingartner's syndrome