Parasitology

Question 1

CYSTS in water>
FATTY, FOUL SMELLING DIARRHEA>
TROPHOZITES/ cysts in STOoL>
Metronidazole

Answer 1

Giardia

Question 2

Cysts in waTER>
BLOODY DIARRHEA, LIVER abscess>
TROPHOZITE (RBC in the cytoplasm) or cysts (up to 4 nuclei) in STOOL>

Metronidazole

Answer 2

Entamoeba histolytica

Question 3

Tx for asymptomatic cyst passers w/ entamoeba histolytica

Answer 3

Iodoquinol

Question 4

OOcysts in water>
SEVERE DIARRHEA IN AIDS pt or watery diarrhea in immcomp>
OOCYSTS on AF stain

Answer 4

Cryptosporidiumm

Question 5

can be prevented by filtering city water suplies

Tx w/ NITZOXANIDE in IMmunocompetent hosts

Answer 5

Cryptosporidium

Question 6

Chorioretinitis
hydrocephalus
intracranial calcifications

dx TACHYZOITE on biopsy

Answer 6

Toxoplasmosa gondi

Question 7

reactivation of TP. gondi in AIDS pt

Answer 7

RING ENHANCING LESIONS SEEN ON MRI

Question 8

Why should pregnant women avoid cats?

Answer 8

oocysts of tox gondi is found in CAT FECES

also in meat…MC

Question 9

Tx TPG

Answer 9

Sulfadiazine

Pyrimethamine

Question 10

swim in freshwater lakes>
little dude enters through cribiform plate>
FATAL MENIGOENCEPHALITIS

dx by AMOEBAS in spinal fluid

Answer 10

Naegleria foweleria

ampho B may help

Question 11

Tstese fly bite>

enlarged LN, recurring fever, somnolence, coma

Answer 11

African sleeping sickness (trypanosoma brucei)

Question 12

tx for trypanosoma brucei

Answer 12

blood borne: SURanmi

CNS penetration: MELrsoprol

Question 13

Bite from ANOPHELES>

Fever
HA
Anemia
Splenomegaly

Answer 13

Malaria

Question 14

trophozoite ring in RBC

shizont w/ merozoites

Answer 14

Malaria

Question 15

48 hrs cycle

dormant form HYPNOZOITE in liver

Schuffner stipppling (red granules thorughout RBC cytoplasm)

Answer 15

P. Vivax/ovale

Question 16

severe, irregular fever patterns

parasitized RBC occlude capillaries in brain, kidneys, lungs

Answer 16

P. falciparum

Question 17

72 hrs cycle

Answer 17

p. malariae

Question 18

blocks plasmodium heme polymerase

Answer 18

Chloroquine (FIRST LINE for malaria)

Question 19

if resistant to chloroquine….

Answer 19

mefloquine

atovaquone/proguanil

Question 20

if life threatening malaria….

Answer 20

IV quinidine or artesunate

Question 21

sued for p. vivax/ovale for HYPONOZITE dormant in liver

Answer 21

primaquine

Question 22

IODES TICK>
fever and hemolytic anemia in NE US>
MALTESE CROSS or RING on a blood smear

Answer 22

Babesia

Question 23

tx for babesia

Answer 23

atovaquone (used for resis malaria) and azithromycin

Question 24

SOUTH AMERICA…..

REDUVID BUG POOP is deposited in a PAINLESS bite>
dilated CARDIOMYOPATHY, MEGA-colon/esophagus + achalasia

UNILATERAL PERIORIBITAL SWELLING

Answer 24

CHagas DISease from trypanosoma Cruzi

CHAGAS in Santa CRUZi

Question 25

tx Chagas

Answer 25

benznidazole | nifurtimox

Question 26

Sandfly> SPIKING fevers, hepatosplenomegaly and pancytopenia dx: Mphages w/ AMASTIGOTES

Answer 26

Leishmania donovani

Question 27

tx leishmania

Answer 27

ampho B | sodium stibogluconate

Question 28

Sexual contact> VAGINITIS (foul-smelling and GREEN) dx: trophozoites are seen on WET MOUNT and the pt has STRAWBERRY CERVIX

Answer 28

TRICHOMONAS

Question 29

tx for trichomonas?

Answer 29

metronidaozle

Question 30

Fecal oral nematodes

Answer 30

Enterobius Ascaris Trichinella Toxocaracanis (Tissue)--

Question 31

Anal pruritis dx by tape test

Answer 31

Enterobius BENDazoles for the bendy pinworm

Question 32

intestinal infection w/ possible OBSTRUCTION of the ileocecal valve ...GIANT

Answer 32

Ascaris Bendazole

Question 33

why you're scared to eat pigs.... ``` undercoorked meat (pork) lavare enter bloodstream> encyst in STRIATED muscle cells> INFLLAMATION of the muscle ``` fever, N/V, periorbital edema, MYALGIA

Answer 33

trichinella spiralis Bendazole

Question 34

transmitted by SANd....aka you stand on it and it goes thorugh your skin

Answer 34

Stronglytoides Ancylostoma Necator

Question 35

roundworm infection that can feel like a peptic ulcer

Answer 35

Stronglyoides IVERMECTIN or Bendazole

Question 36

can cause ANEMIA by sucking BLOOD from intestinal wals

Answer 36

suck the sweet NECTAR, Acylostoma pyrantel pamoate or Bendazole

Question 37

tissue infection transmitted by BITE-->OW

Answer 37

Onchocera voluvulus= female black fly Wuchereria bancrofti= female mosquito Loa Loa= deer/horse/mango fly

Question 38

BLACK flies BLACK skin nodules BLACK SITE ...and maybe an allergic rxn to microfilaria

Answer 38

Onchocerca volvulus= rIVER blindnies IVERmectin

Question 39

worm blocks lymphatic vessels after 9 mos to a year!--> Elephantitis

Answer 39

Diethylcarbamazine

Question 40

skin swelling + worm in conjunctiva

Answer 40

Loa LOa diethylcarbamazine

Question 41

lavare in undercooked PORK> intestinal infection ingestion of eggs> cysticercosis, neurocysticercosis (albendazole)

Answer 41

Taenia solium (tapeworm) Praziquantel

Question 42

larvae from freshwater fish> B12 def> MEGALOBLASTIC ANEMIA

Answer 42

diphylloborthrium latum (tapeworm) Praziquantel

Question 43

ingest eggs from dog FECES/Sheep herder....> hyatid CYSTS in the LIVER that can cause anaphylaxis if released....so tehy're injected w/ ethanol or hypertonic saline to kill daughter cysts before removal

Answer 43

Echionoccus granulosus (sheep herders/dogs!!) (tapeworm) albendazole

Question 44

host SNAIL> cercariae penetrate host SKIN> liver and spleen enlargement, fibrosis and inflammation

Answer 44

Schistosoma Praziquantel

Question 45

chronic infection s. schistomsoma haematobium

Answer 45

(egg w/ TERMINAL spine) SCC of bladder and pulmonary HTN

Question 46

undercooked fish> | biliary tract inflammation and PIGMENTED GALLSTONES.....and maybe even cholangiocarcinoma

Answer 46

clonorchis sinensis Praziquantel

Question 47

biliary tract disease | Cholangiocarcinoma

Answer 47

Clonorchis sinensis

Question 48

Brain cysts seizures ...PORK tapeworm

Answer 48

Taenia solium

Question 49

Hematuria Sq cell bladder canacer ..SNAILS

Answer 49

Schistosoma

Question 50

Liver hyatid cysts ...think sheep herder

Answer 50

Echincococcus granulosus

Question 51

Microcytic anemia suck the sweet nectar....

Answer 51

nectar | ancylostoma

Question 52

myalgias periorbital edema ...undercooked pork roundworm

Answer 52

trichinella will fuck up your muscle cella

Question 53

perianal pruritis

Answer 53

enterobius (little kids itching their asses ride the BUS)

Question 54

portal HTN snail that can cause fibrosis and inflammation of liver and spleen

Answer 54

Schistosoma mansoni, schistosoma japonicum

Question 55

B12 def FISH competes for B12 in the intestine!!

Answer 55

Diphyloobothrium latum