Miscellaneous Protozoans Flashcards
Infective stage for miscellaneous protozoans?
Oocysts
Mature oocyst has sausage shaped sporozoites
a. Isospora belli / Cytoisospora belli
b. Cryptosporidium parvum
c. Pneumocystis jirovecii
d. Toxoplasma gondii
e, Cyclospora cayetanensis
a
Most common cause of enzephalitis in AIDS patients
a. Isospora belli / Cytoisospora belli
b. Cryptosporidium parvum
c. Pneumocystis jirovecii
d. Toxoplasma gondii
e, Cyclospora cayetanensis
d
Both Schizogony and sporogony occur in Intestinal mucosa
a. Isospora belli / Cytoisospora belli
b. Cryptosporidium parvum
c. Pneumocystis jirovecii
d. Toxoplasma gondii
e, Cyclospora cayetanensis
d
Associated with AIDS where and self limited in immunocompetent hosts
Causes watery and frothy diarrhea with oocyst
a. Isospora belli / Cytoisospora belli
b. Cryptosporidium parvum
c. Pneumocystis jirovecii
d. Toxoplasma gondii
e, Cyclospora cayetanensis
b
Lung infection associated with AIDS patient
a. Isospora belli / Cytoisospora belli
b. Cryptosporidium parvum
c. Pneumocystis jirovecii
d. Toxoplasma gondii
e, Cyclospora cayetanensis
c
Can be identified using Gomori Methenamine silver stain
a. Isospora belli / Cytoisospora belli
b. Cryptosporidium parvum
c. Pneumocystis jirovecii
d. Toxoplasma gondii
e, Cyclospora cayetanensis
c
Infective stage of Toxoplasma gondii if Man to man?
a. oocyst
b. Tachyzoites
c. Bradyzoites
d. b and c
e. a and b
f. a and c
d
Definitive host is cat
a. Isospora belli / Cytoisospora belli
b. Cryptosporidium parvum
c. Pneumocystis jirovecii
d. Toxoplasma gondii
e, Cyclospora cayetanensis
d
Oocyst of Toxoplasma gondii is resistant to the following except?
a. Disinfecting with alcohol
b. Freezing
c. Desiccation / Drying
d. Heating about 70 C
d
T. gondii
1st trimester: Death
2md Trimester: Blindness, Hydrocephaly
3rd Trimester: Milder disease
T or F
T
Which of the collowing can identify Toxopplasma gondii?
a. Sabin - Feldman Dye Test
b. IFA
c. Antibody Titer
d. All of the above
d
Plant reservoir
a. Isospora belli / Cytoisospora belli
b. Cryptosporidium parvum
c. Pneumocystis jirovecii
d. Toxoplasma gondii
e, Cyclospora cayetanensis
e
