Protozoa

Question 0

Most common extra intestinal form of Entamoeba histolytica infection

Answer 0

Liver abscess (anchovy sauce-like aspirate)

Question 1

Flask-shaped colon ulcers

Answer 1

Amebic colitis (sec to Entamoeba histolytica)

Question 2

DOC for E. histolytica cyst Carrie state

Answer 2

Diloxanide furoate

Question 3

Falling leaf motility

Answer 3

Giardia lamblia

Question 4

Chronic infection of G.lamblia

Answer 4

Steatorrhea

Question 5

DOC Cryptosporidium parvum

Answer 5

Nitazoxanide

Question 6

Pear-shaped, flagellated trophozites (exists only in trophozites form)

Answer 6

Trichomonas vaginalis

Question 7

Ping pong transmission

Answer 7

Trichomonas vaginalis

Question 8

Foul-smelling, greenish vaginal discharge; strawberry cervix

Answer 8

Trichomonas vaginalis

Question 9

Intermediate and definitive host of Plasmodium

Answer 9

Man (intermediate)

Mosquito (definitive)

Question 10

Scientific name of female mosquito implicated in Plasmodium infection

Answer 10

Anopheles flavirostris minimus

Question 11

Partial immunity seen in individuals who completely recover from falciparum malaria

Answer 11

Premonition

Question 12

4 plasmodium species

Answer 12

P falciparum
P vivax
P malariae
P ovale

Question 13

Only form of Plasmodium that can cross the BBB; worst form

Answer 13

P. Falciparum

Question 14

Banana-shaped gametocytes

Answer 14

P. falciparum

Question 15

Only plasmodium species with QUARTAN periodicity (every 72 hours)

Answer 15

P. malariae

Question 16

Plasmodium species that can cause recrudescence (recurrence after temporary abatement: 2-4 weeks)

Answer 16

P. falciparum

P. malariae

Question 17

Plasmodium species that can cause relapse (return after apparent cessation; 1-6 mos)

Answer 17

P. ovale

P. vivax

Question 18

Punctuate granulations in RBC due to P ovale and P vivax

Answer 18

Schuffner dots

Question 19

Maurer dots are coarse granulations present in RBC due to what infection.

Answer 19

P. falciparum

Question 20

Fine dots present in RBCs invaded by P malariae

Answer 20

Ziemann dots

Question 21

Blackwater fever

Answer 21

Acute renal failure secondary to P falciparum malaria

Question 22

Areas of high malarial endemicity (4)

Answer 22

Palawan
Agusan del sur
Kalinga-Apayao
Ifugao

Question 23

Areas of chloroquine-resistance (3)

Answer 23

Palawan
Davao del Norte
Compostela valley

Question 24

Drug added to chloroquine to cov for hypnozoites produced by P. vivax and P. ovale infection

Answer 24

Primaquine

Question 25

DOC pregnant patient with malaria

Answer 25

Quinidine or quinine

Question 26

DOC for chloroquine resistant malaria

Answer 26

Mefloquine + doxycycline

Question 27

Definitive host of Toxoplasma gondii

Answer 27

Domestic cat

Question 28

Ring enhancing lesions

Answer 28

T. gondii encephalitis (immunocompromised)

Question 29

Intracranial calcifications

Answer 29

Congenital Toxoplasmosis

Question 30

Trypanosoma cruzi is transmitted by

Answer 30

Reduviid (Triatoma) bug

Question 31

DOC Trypanosoma cruzi infection

Answer 31

Nifurtimox

Question 32

Most severely and frequently affected tissue by Trypanosoma cruzi infection

Answer 32

Cardiac muscle (Myocarditis)

Question 33

Diagnostic method for T. cruzi that allows an uninfected, laboratory raised bug to feed on a suspected patient

Answer 33

Xenodiagnosis

Question 34

Romana's sign

Answer 34

Acute Chagas' disease (T. cruzi)

Question 35

Tse tse (glossina) bite

Answer 35

Trypanosoma brucei

Question 36

Winterbottom's sign

Answer 36

Trypanosoma brucei

Question 37

Enlargement of the posterior cervical LN in Trypanosoma brucei infection

Answer 37

Wintebottoms sign

Question 38

Kerandel's sign (hypersthesia)

Answer 38

T. brucei

Question 39

Plasma cells with cytoplasmic immunoglobulin globules seen in T. brucei encephalitis

Answer 39

Mott cells

Question 40

DOC for CNS involvement in T. brucei infection

Answer 40

Melarsoprol

Question 41

MCC of red tide in the Philippines

Answer 41

Pyrodinium bahamense var compressum

Question 42

Months with red tide in the Philippines

Answer 42

May to August

Question 43

Only ciliated protozoan to cause human disease

Answer 43

Balantidium coli

Question 44

Maltese cross shaped trophozites

Answer 44

Babesia microti

Question 45

DOC leishmaniasis

Answer 45

Sodium stibogluconate

Question 46

Mucocutaneous leishmaniasis

Answer 46

Leishmania braziliensis

Question 47

Visceral/kala-azar Leishmaniasis

Answer 47

Leishmania donovani

Question 48

Cutaneous leishmaniasis

Answer 48

Leishmania tropica