Parasites

Question 1

Roman~a sign

Answer 1

amastogotes, unilateral ocular edema, usually site where feces entered eye, T. cruzi

Question 2

anchovie paste

Answer 2

entamoeba histolytica

Question 3

flask shaped ulcers in colon

Answer 3

invasvie entamoeba histolytica

Question 4

stool O&P shows trophazoites with endocytosed RBCs

Answer 4

entamoeba histolytica

Question 5

parasites that stain acid fast

Answer 5

Cryptosporidium, cyclospora, isospora

Question 6

associated with water sports

Answer 6

Naegleria fowleri

Question 7

ring enchancing lesions on CT or MRI

Answer 7

toxoplasma gandii

Question 8

HIV pt with CD4 count

Answer 8

toxoplasmosis

Question 9

chronic lymphedema in pt not from USA

Answer 9

lymphatic filariasis

Question 10

pt goes blind after being bit by black fly in Africa

Answer 10

river blindness, Onchocerca volvulus

Question 11

pulmonary artery lesions in pt with pet dog tx for granulomas

Answer 11

Dirofilaria immitis

Question 12

Coin lesion on CXR

Answer 12

Dirofilaria immitis

Question 13

what parasite blindes 70 ppl in US each year

Answer 13

toxocariasis

Question 14

intense rectal itching can see parasite on scotch tape

Answer 14

Enterobiasis (pin worms)

Question 15

rectal prolapse d/t heavy worm burden

Answer 15

Trichuriaisis (whip worm)

Question 16

cutaneous larva migrans, itchy tracks

Answer 16

Hookworm (necotar americanus, ancylostoma duodenal)

Question 17

palpebral edema with high fever in a hunter

Answer 17

Trichinosis

Question 18

largest nematode and most common worm infection in the world

prone to SBO

Answer 18

ascaris lumbricoides

Question 19

Pt from SE USA with new onset wheezing

Answer 19

strongyloides stercoalis

Question 20

Otherwise healthy Mexican shows up at clinic with first seizure

Answer 20

Taenia solium

Question 21

get this by eating sushi

Answer 21

Diphyllobathrium latum

Question 22

associated with hydatid cysts that cause anaphylaxis if opened

Answer 22

Echinococcosis

Question 23

causes bladder cancer

Answer 23

hematobium?

Question 24

fever, chills, eosinophilia, HSM, lymphadenopathy, GI sx, better in 4-8 weeks

Answer 24

Katayama Fever (Schistomosiasis)

Question 25

What is the largest Tapeworm

where do you get it

Answer 25

diphyllobathrium latum

Sushi, eating raw fish

Question 26

megacolon, dilated cardiomyopathy, and megaesophagus associated what parasite, disease, and cancer?

Answer 26

T. cruzi
Chaga’s disease
Squamous cell carcinoma

Question 27

How does PfEMP1 work and what is it?

Answer 27

Var gene encoded with P. falciparum malarial infection. Prevents RBCs from going to the spleen and therefore prevents spleen from removing parasite infected RBCs.

Question 28

Which from of malaria is the pt protected from by having Sickle cell anemia

Answer 28

Plasmodium falciparum

Question 29

black water fever

Answer 29

hematuria seen in malaria

Question 30

what parasite tunnels and burrows under the skin leaving eggs and itchy skin? what is disease called?

Answer 30

Mites, scabies

Question 31

Pt has itchy bumps after swimming in a lake

Answer 31

Schistosoma

Question 32

describe schistosoma as seen in the USA

Answer 32

carried by duck lice, process ends in skin, Swimmer’s itch

Question 33

what is the most common worm infection in the US

Answer 33

Pinworm

Question 34

what parasite causes Invasive Squamous Cell Carcinoma of the bladder

Answer 34

schistosoma haematobium