Protozoa

Question 1

Diagnosing giardiasis?

Answer 1

Trophozoites or cysts in stool

Question 2

Anchovy paste exudate liver abscess?

Answer 2

Entamoeba

Question 3

Diarrhea in entamoeba?

Answer 3

Bloody

Question 4

What if submucosal abscess of colon ruptures due to Entamoeba?

Answer 4

Flask-shaped ulcer

Question 5

RBCs in cytoplasm of trophozoites?

Answer 5

Entamoeba

Question 6

Treatment for giardia and entamoeba?

Answer 6

Metronidazole

Question 7

Treatment for cryptosporidium?

Answer 7

Oral hydration

Question 8

Triad of sxs seen in congenital toxoplasmosis?

Answer 8

Chorioretinitis, hydrocephalus, intracranial calcfications

Question 9

Tx for toxoplasmosis?

Answer 9

Sulfadiazine + pyrimethamine

Question 10

MOA of naegleria infection?

Answer 10

Swims up olfactory nose thru cribriform plate

Question 11

Dx naegleria?

Answer 11

Amoebas in CSF

Question 12

Slow onset, fever, somnolence?

Answer 12

T. gambiense (West)

Question 13

Rapid onset, fever, coma?

Answer 13

T. rhodesiense (East)

Question 14

What has antigenic variation causing recurring fever?

Answer 14

Typanosoma

Question 15

Tsetse fly with painful bite?

Answer 15

Trypanosoma

Question 16

Tx for early T. brucei infection?

Answer 16

Suramin

Question 17

Tx for late T. brucei infection?

Answer 17

Melarsoprol

Question 18

Spiky trophozoites in CSF and brain tissue?

Answer 18

Acanthomoeba

Question 19

48 hour cycles of fever, HA, anemia?

Answer 19

P. vivax/ovale

Question 20

Irregular fever patterns?

Answer 20

P. falciparum

Question 21

72 hour cycle of fevers and anemia?

Answer 21

P. malariae

Question 22

Liver (hypnozoite) form of malaria?

Answer 22

P. vivax/ovale

Question 23

Transmitted by Anopheles mosquito?

Answer 23

Plasmodium

Question 24

Transmitted by Ixodes?

Answer 24

Babesia

Question 25

Tx for Babesia?

Answer 25

Atovaquone + azithromycin

Question 26

Tx for Chagas?

Answer 26

Nifurtimox

Question 27

Tx for Leishmania?

Answer 27

Sodium stibogluconate

Question 28

Histo shows macrophages containing amastigotes?

Answer 28

Leishmania

Question 29

Greenish vaginal burning/itching discharge?

Answer 29

Trichomonas

Question 30

Motile trophozoites on wet mount?

Answer 30

Trichomonas

Question 31

Tx for trichomonas?

Answer 31

Metronidazole for pt and partner

Question 32

Spiking fever, HSM, and pancytopenia?

Answer 32

Visceral leishmaniasis