Parasitology

Question 1

foul-smelling, fatty diarrhea, campers/hikers

Answer 1

Giardia lamblia

Question 2

Tx of Giardia lamblia

Answer 2

Metronidazole

Question 3

“achovy paste” exudate

Answer 3

Entamoeba histolytica

Question 4

flask-shaped ulcer

Answer 4

Entamoeba histolytica

Question 5

liver abscess + bloody diarrhea

Answer 5

Entamoeba histolytica

Question 6

severe diarrhea in AIDS

Answer 6

Cryptosporidium

Question 7

acid-fast stain, oocysts in water

Answer 7

Crptyosporidium

Question 8

brain abscess in HIV, ring enhancing lesion

Answer 8

Toxoplasma gondii

Question 9

Chorioretinitis, Hydrocephalus, and Intracranial Calcifications

Answer 9

congenital toxoplasmosis

Question 10

Tx of Toxoplasma gondii

Answer 10

Sulfadiazine + pyrimethamine

Question 11

Rapidly Fatal Meningoencephalitis

Answer 11

Naegleria fowleri

Question 12

find amoebas in the spinal fluid

Answer 12

Naegleria fowleri

Question 13

tsetse fly

Answer 13

trypanosoma brucei

Question 14

Tx for blood borne T. brucei

Answer 14

Suramin

Question 15

Tx for CNS penetration for T. brucei

Answer 15

Melarsoprol

Question 16

fever on 1st day and 3rd day, fever is 48hrs a part

Answer 16

P. vivax/ovale

Question 17

parasitized RBCs occlude capillaries in brain (cerebral malaria)

Answer 17

P. falciparum

Question 18

72hour cycle (quartan)

Answer 18

P. malariae

Question 19

maltese cross

Answer 19

Babesiosis (from ixodes tick)

Question 20

Tx of Babesia

Answer 20

Atovaquone + Azithromycin

Question 21

Dx presentation for T. cruzi

Answer 21

dilated cardiomyopathy, megacolon, megaesophagus

Question 22

Reduviid bug

Answer 22

T. cruzi, it is a painless bite

Question 23

Sandfly

Answer 23

Leishmania donovani

Question 24

spiking fevers, hepatosplenomegaly, pancytopenia

Answer 24

Visceral leischmaniasis

Question 25

Macrophages containing amastigotes

Answer 25

Leishmania donovani

Question 26

Strawberry Cervix

Answer 26

Trichomonas vaginalis

Question 27

Scotch Tape Test

Answer 27

Enterbius vermicularis (pinworm)

Question 28

larvae in soil penetrate the skin - comiting, diarrhea, epigastric pain

Answer 28

Strongyloides stercoralis

Question 29

intestinal infections causing anemia by sucking blood from intestinal walls

Answer 29

Ancylostoma duodenale, Necator americanus (hook works)

Question 30

hyperpigmentation of skin and river blindness

Answer 30

onchocerca volvulus

Question 31

worm in conjunctiva

Answer 31

loa loa

Question 32

Diethylcarbamazine treats what?

Answer 32

loa loa and wuchereria bancrofti

Question 33

Elephantiasis due to blockage of lymphatic vessels

Answer 33

Wuchereria bancrofti

Question 34

visceral larva migrans

Answer 34

Toxocara canis

Question 35

Ingested Nematodes

Answer 35

EAT - enterobius, ascaris, toxocara cutaneous

Question 36

Cutaneous Route Nematodes

Answer 36

SANd - Strongyloides, Ancylostoma, Necator

Question 37

Bite Route Nematodes

Answer 37

lay LOW to avoid being bitten - Loa loa, Onchocerca volvulus, Wuchereria bancrofti

Question 38

Cysticercosis, Neurocysticercosis

Answer 38

Undercooked pork, Taenia solium

Question 39

raw freshwater fish

Answer 39

Diphyllobothrium latum

Question 40

Vitamin that is deficient with Diphyllobothrium latum

Answer 40

Vitamin B12 causing megaloblastic anemia

Question 41

hydatid cysts in the liver from dog poopie

Answer 41

Echinococcus granulosus

Question 42

how to remove hydatid cysts

Answer 42

surgeons preinject with ethanol to kill cysts before removal

Question 43

Cancer associated with S. haematobium

Answer 43

Squamous cell carcinoma of Bladder

Question 44

cercariae that penetrate skin of humans

Answer 44

S. haematobium - host are snails

Question 45

Associated with cholangiocarcinoma, caused pigmented gallstones

Answer 45

Clonorchis sinensis

Question 46

parasites that cause portal hypertension

Answer 46

schistosoma mansoni, schistosoma japonicum

Question 47

microcytic anemia

Answer 47

Ancylostoma, Necator

Question 48

When is it appropriate to drink red wine?

Answer 48

It is always appropriate to drink red wine when you're a classy lady.