Infectious Disease/Microbiology (FA)

Question 1

Sickle Cell + Osteomyelitis/Septic Arthritis

Answer 1

Salmonella

Question 2

Daisy cluster hyphae + cigar shaped yeast

Answer 2

Sporothrix

Question 3

Lemon shaped w/ plug end ova

Answer 3

Trichuris trichiura

Question 4

Rectal prolapse in infant + eosinophilia

Answer 4

Trichuris trichiura

Question 5

Anal itching worse at night

Answer 5

Enterobius vermicularis

Question 6

Oval eggs with knobby appearance

Answer 6

Ascaris lumbricoides

Question 7

Rhabditiform larvae in stool

Answer 7

Strongyloidiasis

Question 8

Cutaneous larva migrans and/or microcytic anemia with eoisinophilia

Answer 8

Hookworms (ancylostomiasis, necatoriasis)

Question 9

Undercooked wild game + worm in muscle

Answer 9

Trichinosis

Question 10

Elephantiasis

Answer 10

Wuchereria/Brugai

Question 11

Microfilaria in blood

Answer 11

Elephantiasis (Wuchereria/Brugai)

Question 12

Eye worm

Answer 12

Loa Loa (Loiasis)

Question 13

Skin atrophy/hypopigmentated papules/leopard skin/hanging groin + keratitis

Answer 13

Onchocerciasis

Question 14

Undercooked pork

Answer 14

Taenia solium

Question 15

Calcified cysts in eyes, muscles/subcutaneous, and brain

Answer 15

Taenia solium (cysticercosis)

Question 16

Vit b12 deficiency + eoisinophilia

Answer 16

D. latum

Question 17

Hydatid cyst w/egg shell calcifications + RUQ pain

Answer 17

Echinococcosis

Question 18

Salty water and grape skin sputum

Answer 18

Echinococcosis

Question 19

Snails + swimming

Answer 19

Schistosoma

Question 20

Bladder SCC

Answer 20

Schistosoma (haematobium)

Question 21

Periportal fibrosis + portal (or pulmonary) hypertension + swimming

Answer 21

Schistosoma (mansoni)

Question 22

Snails + eating

Answer 22

Clornorchis (Chinese liver fluke)

Question 23

Cholangiocarcinoma

Answer 23

Clornorchis

Question 24

Rash starting at palms and soles —> trunk

Answer 24

RMSF, Coxsackie A + 2 syphillis

Question 25

Safety pin organisms

Answer 25

Y. pestis

Question 26

Farm animal amniotic fluid

Answer 26

Q fever

Question 27

Painless black eschar

Answer 27

Anthrax

Question 28

Widened mediastinum

Answer 28

Anthrax

Question 29

Animal hide exposure

Answer 29

Cutaneous anthrax

Question 30

Symmetric descending paralysis

Answer 30

Botulism

Question 31

Fleas + prarie dogs

Answer 31

Y. pestis

Question 32

Gangrene fingers/toes

Answer 32

Y. pestis

Question 33

Rabbit hunting

Answer 33

Tularemia

Question 34

Endocarditis

Answer 34

Q fever

Question 35

Rash on trunk

Answer 35

R. prowazekii or typhi

Question 36

Morulae in monocytes

Answer 36

Erlichiosis

Question 37

Morulae in granulocytes

Answer 37

Anaplasmosis

Question 38

Erythema migrans

Answer 38

Lyme (Borrelia)

Question 39

Tick + facial nerve palsy/AV block

Answer 39

Lyme (Borrelia)

Question 40

Maltese cross + ring

Answer 40

Babesia

Question 41

Unpasteurized milk

Answer 41

Brucella

Question 42

Negri bodies in hippocampus and cerebellum

Answer 42

Rabies

Question 43

Hydrophobia

Answer 43

Rabies

Question 44

Ascending paralysis + fever

Answer 44

Rabies

Question 45

Mouse droppings + dust - barns

Answer 45

Hantavirus

Question 46

Medusa head colonies

Answer 46

B. anthracis (Anthrax)

Question 47

Raw honey

Answer 47

Botulism

Question 48

Mouth/tongue rash --> sores that spread caudally

Answer 48

Variola (Smallpox)

Question 49

Eating bats

Answer 49

Ebola

Question 50

Trophozite ring in RBC + headphones

Answer 50

Malaria (falciparum)

Question 51

Trophozite ring + stippling in RBCs

Answer 51

Malaria (vivax/ovale)

Question 52

Malaria w/ 48 hour fever cycles

Answer 52

Vivax/ovale

Question 53

Irregular severe fever cycles + malaria

Answer 53

Falciparum

Question 54

Tsetse fly

Answer 54

T. brucei

Question 55

Megaesophagus, megacolon or DCM

Answer 55

Chagas (t. cruzi)

Question 56

Trypomastigotes in blood/CSF

Answer 56

Chagas (t. cruzi)

Question 57

Leishman-Donovan bodies

Answer 57

Leishmaniasis

Question 58

Sandfly

Answer 58

Leishmaniasis

Question 59

Amastigotes in bone marrow, lymph node, spleen or liver

Answer 59

Leishmaniasis

Question 60

RLQ pain + fever + travel

Answer 60

Typhoid fever (s. typhi)

Question 61

Salmon colored rose spots on chest

Answer 61

Typhoid fever (s. typhi)

Question 62

Contaminated water with animal urine

Answer 62

Leptospirosis

Question 63

Positive torniquet test

Answer 63

Dengue

Question 64

Councilman bodies

Answer 64

Yellow fever

Question 65

Congenital defects w/ immigration/no sx

Answer 65

Zika virus