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PR-2

Total questions: 135

Worksheet time: 1hrs 8mins

Name
Class
Date
1.
has 1 to 4 nuclei
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
2.
Elongate bars with bluntly rounded ends described as cigar-shaped
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
3.
Broom stick- or splinter-like chromatoidal bars
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
4.
1 to 8 nuclei
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
5.
small, oval or spherical chromatoidal bars
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
6.
10 to 20 um, spherical
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
7.
5 to 10 um; spherical
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
8.
10 to 33 um; spherical or oval
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
9.
5-14 um; oval
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
10.
has 4 nucleus
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
11.
Karyosome is small, discrete, and usually central
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
12.
Peripheral chromatin is fine, uniform, and has evenly distributed granules
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
13.
Karyosome is large and eccentrically located
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
14.
Peripheral chromatin is coarse and irregular
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
15.
Motility: unidirectional and progressive
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
16.
Motility: sluggish and non-progressive
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
17.
Small race of E. histolytica
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
18.
AKA E. moshkovskii and E. Bangladeshi ; 1st detected in sewage ; Osmotolerant (can survive at temperature ranging from 0 to 41C)
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
19.
Smallest protozoan
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
20.
Karyosome is large, irregular, or blot-like
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
21.
Cytoplasmic inclusions include bacteria, yeast, and other materials thus being known for having a dirty looking trophozoites
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
22.
Cytoplasmic inclusions include ingested RBCs
a)
Entamoeba histolytica
b)
Entamoeba dispar
c)
Entamoeba hartmanni
d)
Entamoeba coli
e)
Endolimax nana
23.
Karyosome is central or peripheral; surrounded with achromatic granules
a)
Iodamoeba butschlii
b)
Entamoeba gingivalis
24.
Karyosomes is central and distinct
a)
Iodamoeba butschlii
b)
Entamoeba gingivalis
25.
Cytoplasmic inclusions: food vacuoles, WBCs
a)
Iodamoeba butschlii
b)
Entamoeba gingivalis
26.
1st amoeba recovered from a human specimen
a)
Iodamoeba butschlii
b)
Entamoeba gingivalis
27.
AKA I. williamsi ; The term Iodamoeba was coined to describe an amoeba that stains well with iodine
a)
Iodamoeba butschlii
b)
Entamoeba gingivalis
28.
Cytoplasmic inclusions: Bacteria, yeast, other materials
a)
Iodamoeba butschlii
b)
Entamoeba gingivalis
29.
incubation period of 2 to 5 days; presents with bloody diarrhea and abdominal pain
a)
Intestinal amebiasis
b)
Chronic/Asymptomatic
c)
Amoeboma
d)
Amoebic ulcers
30.
– patients are considered as cyst passers or carriers; stool is soft to well-formed
a)
Intestinal amebiasis
b)
Chronic/Asymptomatic
c)
Amoeboma
d)
Amoebic ulcers
31.
tumor like or carcinoma like of granulomatous tissue in the large intestine
a)
Intestinal amebiasis
b)
Chronic/Asymptomatic
c)
Amoeboma
d)
Amoebic ulcers
32.
characterized as flask-shaped
a)
Intestinal amebiasis
b)
Chronic/Asymptomatic
c)
Amoeboma
d)
Amoebic ulcers
33.
most common site of extraintestinal amebiasis; may hematogenously spread to other organs
a)
lungs
b)
liver
c)
kidney
d)
heart
34.
Trophozoite: With central nucleolus and finely granulated cytoplasm; biphasic – amoeboid form (has lobopods) and flagellate form (has 2 anterior flagella)
a)
Naegleria fowleri
b)
Acanthamoeba spp.
35.
“Brain-eating amoeba” ; Acquired from swimming in contaminated lakes, pools, rivers ; Causes purulent spinal fluid with motile amoeba ; Specimen: CSF
a)
Naegleria fowleri
b)
Acanthamoeba spp.
36.
Acquired from trauma and contact lens wear ; Specimen: CSF, corneal scraping
a)
Naegleria fowleri
b)
Acanthamoeba spp.
37.
Characterized by spining/filiform pseudopods, no flagellate form and slowly motile
a)
Naegleria fowleri
b)
Acanthamoeba spp.
38.
Granulomatous amebic meningoencephalitis, amebic keratitis
a)
Naegleria fowleri
b)
Acanthamoeba spp.
39.
Primary amebic meningoencephalitis
a)
Naegleria fowleri
b)
Acanthamoeba spp.
40.
castellani has been identified as the species responsible for most CNS and eye infections
a)
Naegleria fowleri
b)
Acanthamoeba spp.
41.
Morphologically similar to Acanthamoeba and is an additional opportunistic agent
a)
Balamuthia mandrillaris
b)
Sappinia spp.
42.
– rare cause of meningoencephalitis
a)
Balamuthia mandrillaris
b)
Sappinia spp.
43.
Which trophozoite form of N. fowleri has lobate pseudopods?
a)
Amoeboid form
b)
Flagellate form
44.
Which trophozoite form of N. fowleri has2 anterior flagella?
a)
Amoeboid form
b)
Flagellate form
45.
Cyst is not present in tissues; double-walled with smooth outer wall
a)
Naegleria fowleri
b)
Acanthamoeba spp.
46.
Cyst Present in tissues; double- walled with wrinkled outer wall
a)
Naegleria fowleri
b)
Acanthamoeba spp.
47.
Diagnostic stage of N. fowleri
a)
Cyst
b)
Trophozoite
c)
Either
d)
Neither
48.
Diagnostic stage of Acanthamoeba spp.
a)
Cyst
b)
Trophozoite
c)
Either
d)
Neither
49.
Characterized by spiny or filiform pseudopodia (acanthopods); has no flagellate form
a)
Naegleria fowleri
b)
Acanthamoeba spp.
50.
Number of nuclei in cyst of G. lamblia
a)
1
b)
2 ot 4
c)
4
51.
Number of nuclei in cyst of C. mesnili
a)
1
b)
2 ot 4
c)
4
52.
Number of nuclei in cyst of E. hominis
a)
1
b)
2 ot 4
c)
4
53.
Number of nuclei in cyst of R. intestinalis
a)
1
b)
2 ot 4
c)
4
54.
Axoneme; parabasal bodies; and remnants of flagella
a)
G. lamblia
b)
C. mesnili
c)
E. hominis
d)
R. intestinalis
55.
Cytostome with curved fibril referred to as shepherd's crook
a)
G. lamblia
b)
C. mesnili
c)
E. hominis
d)
R. intestinalis
56.
Bipolar arrangement of nuclei; resembles E. nana cyst
a)
G. lamblia
b)
C. mesnili
c)
E. hominis
d)
R. intestinalis
57.
Cytostome extends above nucleus; bird's beak cytostome, resembles C. mesnili cyst
a)
G. lamblia
b)
C. mesnili
c)
E. hominis
d)
R. intestinalis
58.
G. lamblia
a)
Falling leaf-like
b)
Corkscrew-like
c)
Jerky
d)
Amoeboid
e)
Rapid, jerky, tumbling
59.
C. mesnili
a)
Falling leaf-like
b)
Corkscrew-like
c)
Jerky
d)
Amoeboid
e)
Rapid, jerky, tumbling
60.
E. hominis and R. intestinalis
a)
Falling leaf-like
b)
Corkscrew-like
c)
Jerky
d)
Amoeboid
e)
Rapid, jerky, tumbling
61.
D. frahilis
a)
Falling leaf-like
b)
Corkscrew-like
c)
Jerky
d)
Amoeboid
e)
Rapid, jerky, tumbling
62.
P. hominis, T. tenax, T. vaginalis
a)
Falling leaf-like
b)
Corkscrew-like
c)
Jerky
d)
Amoeboid
e)
Rapid, jerky, tumbling
63.
The trophozoite form of which of the following has 2 nuclei?
a)
G. lamblia
b)
C. mesnili
c)
D. fragilis
d)
E. hominis
64.
The trophozoite form of which of the following has 1 or 2 nuclei?
a)
G. lamblia
b)
C. mesnili
c)
D. fragilis
d)
E. hominis
65.
The trophozoite form of which of the following has Prominent sucking discs and axostyle
a)
G. lamblia
b)
C. mesnili
c)
D. fragilis
d)
E. hominis
66.
The trophozoite form of which of the following has Prominent cytostome with spiral groove
a)
G. lamblia
b)
C. mesnili
c)
D. fragilis
d)
E. hominis
67.
The trophozoite form of which of the following has One side of the body flattened
a)
G. lamblia
b)
C. mesnili
c)
D. fragilis
d)
E. hominis
68.
The trophozoite form of which of the following has Multiple hyaline, leaf-like pseudopodia; fragmented tetrakaryosome
a)
G. lamblia
b)
C. mesnili
c)
D. fragilis
d)
E. hominis
69.
he trophozoite form of which of the following has Cytostome that extends ½ the length of body
a)
R. intestinalis
b)
P. hominis
c)
T. tenax
d)
T. vaginalis
70.
The trophozoite form of which of the following has Undulating membrane; axostyle extends beyond the organism’s body; cytoplasmic granules
a)
R. intestinalis
b)
P. hominis
c)
T. tenax
d)
T. vaginalis
71.
How many flagella does G. lamblia has?
a)
2
b)
3
c)
4
d)
5
e)
8
72.
How many flagella does C. mesnili has?
a)
2
b)
3
c)
4
d)
5
e)
8
73.
How many flagella does E. hominis has?
a)
2
b)
3
c)
4
d)
5
e)
8
74.
How many flagella does R. intestinalis has?
a)
2
b)
3
c)
4
d)
5
e)
8
75.
How many flagella does P. hominis, T. tenax, T. vaginalis has?
a)
2
b)
3
c)
4
d)
5
e)
8
76.
How many flagella does D. fragilis has?
a)
2
b)
3
c)
4
d)
5
e)
none
77.
causes giardiasis or traveler’s diarrhea and has been associated with homosexual men with gay bowel syndrome
a)
Giardia lamblia
b)
Diantamoeba fragilis
c)
Trichomonas vaginalis
78.
– intermittent diarrhea, nausea, vomiting, abdominal pain
a)
Giardia lamblia
b)
Diantamoeba fragilis
c)
Trichomonas vaginalis
79.
causes non-specific vaginitis, urethritis, or prostatitis, strawberry cervix, vaginal pruritus, and foul-smelling discharge
a)
Giardia lamblia
b)
Diantamoeba fragilis
c)
Trichomonas vaginalis
80.
Gold standard is culture using diamond's medium
a)
Giardia lamblia
b)
Diantamoeba fragilis
c)
Trichomonas vaginalis
81.
Skin inoculation of promastigotes by sandfly Phlebotomus / Lutzomiya
a)
Leishmania spp.
b)
Trypanosoma brucei complex
c)
Trypanosoma cruzi
82.
Skin inoculation of metacyclic trypomastigotes by Tse-tse fly
a)
Leishmania spp.
b)
Trypanosoma brucei complex
c)
Trypanosoma cruzi
83.
Indirect inoculation of metacyclic trypomastigotes from reduviid bug's feces
a)
Leishmania spp.
b)
Trypanosoma brucei complex
c)
Trypanosoma cruzi
84.
Habitat: lymphoid tissues of skin, mucus membrane, or visceral organs
a)
Leishmania spp.
b)
Trypanosoma brucei complex
c)
Trypanosoma cruzi
85.
Habitat: blood, lymph, CSF
a)
Leishmania spp.
b)
Trypanosoma brucei complex
c)
Trypanosoma cruzi
86.
Old world cutaneous Leishmaniasis
a)
L. tropica
b)
L. major
c)
L. mexicana
d)
L. braziliensis
87.
Oriental sore
a)
L. tropica
b)
L. major
c)
L. mexicana
d)
L. braziliensis
88.
New world cutaneous Leishmaniasis
a)
L. tropica
b)
L. major
c)
L. mexicana
d)
L. braziliensis
89.
Chiclero ulcer
a)
L. tropica
b)
L. major
c)
L. mexicana
d)
L. braziliensis
90.
Muco-cutaneous Leishmaniasis
a)
L. tropica
b)
L. major
c)
L. mexicana
d)
L. braziliensis
91.
Espundia/Tapir's nose
a)
L. tropica
b)
L. major
c)
L. mexicana
d)
L. braziliensis
92.
Old world visceral leishmaniasis
a)
L. donovani
b)
L. chagasi
c)
T. brucei gambiense
d)
T. brucei rhodesiense
e)
T. cruzi
93.
New world visceral leishmaniasis
a)
L. donovani
b)
L. chagasi
c)
T. brucei gambiense
d)
T. brucei rhodesiense
e)
T. cruzi
94.
West african sleeping sickness
a)
L. donovani
b)
L. chagasi
c)
T. brucei gambiense
d)
T. brucei rhodesiense
e)
T. cruzi
95.
chronic
a)
L. donovani
b)
L. chagasi
c)
T. brucei gambiense
d)
T. brucei rhodesiense
e)
T. cruzi
96.
acute
a)
L. donovani
b)
L. chagasi
c)
T. brucei gambiense
d)
T. brucei rhodesiense
e)
T. cruzi
97.
East African sleeping sickness
a)
L. donovani
b)
L. chagasi
c)
T. brucei gambiense
d)
T. brucei rhodesiense
e)
T. cruzi
98.
Chagas disease
a)
L. donovani
b)
L. chagasi
c)
T. brucei gambiense
d)
T. brucei rhodesiense
e)
T. cruzi
99.
Romania and chagoma
a)
L. donovani
b)
L. chagasi
c)
T. brucei gambiense
d)
T. brucei rhodesiense
e)
T. cruzi
100.
swelling around the eye
a)
Romania
b)
Chagoma
101.
swelling at other sites
a)
Romania
b)
Chagoma
102.
Skin lesions with elevated margins that leave ugly scars on healing
a)
Cutaneous Leishmaniasis
b)
Muco-cutaneous Leishmaniasis
c)
Visceral Leishmaniasis
d)
African Trypanosomiasis or Sleeping sickness
e)
New World or American Trypanosomiasis
103.
Highly disfiguring, leprosy-like cutaneous lesions that spread to the mucous membranes
a)
Cutaneous Leishmaniasis
b)
Muco-cutaneous Leishmaniasis
c)
Visceral Leishmaniasis
d)
African Trypanosomiasis or Sleeping sickness
e)
New World or American Trypanosomiasis
104.
Fever, organomegaly, ascites, anemia, hyperpigmentation of the skin
a)
Cutaneous Leishmaniasis
b)
Muco-cutaneous Leishmaniasis
c)
Visceral Leishmaniasis
d)
African Trypanosomiasis or Sleeping sickness
e)
New World or American Trypanosomiasis
105.
Trypanosome chancre Hemolymphatic stage – fever (febrile stage) and cervical lymphadenopathy (winterbottom sign)
a)
Cutaneous Leishmaniasis
b)
Muco-cutaneous Leishmaniasis
c)
Visceral Leishmaniasis
d)
African Trypanosomiasis or Sleeping sickness
e)
New World or American Trypanosomiasis
106.
Trypanosome chancre Hemolymphatic stage – fever (febrile stage) and cervical lymphadenopathy (winterbottom sign)
a)
Cutaneous Leishmaniasis
b)
Muco-cutaneous Leishmaniasis
c)
Visceral Leishmaniasis
d)
African Trypanosomiasis or Sleeping sickness
e)
New World or American Trypanosomiasis
107.
Meningoencephalitic or sleeping stage – somnolence, coma, and death
a)
Cutaneous Leishmaniasis
b)
Muco-cutaneous Leishmaniasis
c)
Visceral Leishmaniasis
d)
African Trypanosomiasis or Sleeping sickness
e)
New World or American Trypanosomiasis
108.
Lesions at the inoculation site: romania- swelling around the eye chagoma- swelling at other sites Fever, hepatosplenomegaly, myocarditis
a)
Cutaneous Leishmaniasis
b)
Muco-cutaneous Leishmaniasis
c)
Visceral Leishmaniasis
d)
African Trypanosomiasis or Sleeping sickness
e)
New World or American Trypanosomiasis
109.
Common parasite of pigs
a)
Balantidium coli
b)
Cryptosporidium parvum
c)
Cytoisospora belli
d)
Cyclospora cayetanensis
110.
MOT: Ingestion of cyst
a)
Balantidium coli
b)
Cryptosporidium parvum
c)
Cytoisospora belli
d)
Cyclospora cayetanensis
111.
All are transmitted via ingestion of mature or sporulated oocysts except
a)
Balantidium coli
b)
Cryptosporidium parvum
c)
Cytoisospora belli
d)
Cyclospora cayetanensis
112.
Balantidiasis/ Balantidial dysentery
a)
Balantidium coli
b)
Cryptosporidium parvum
c)
Cytoisospora belli
d)
Cyclospora cayetanensis
113.
Cryptosporidiosis (primarily intestinal but may be extraintestinal)
a)
Balantidium coli
b)
Cryptosporidium parvum
c)
Cytoisospora belli
d)
Cyclospora cayetanensis
114.
Cytoisosporiasis
a)
Balantidium coli
b)
Cryptosporidium parvum
c)
Cytoisospora belli
d)
Cyclospora cayetanensis
115.
Cyclosporiasis
a)
Balantidium coli
b)
Cryptosporidium parvum
c)
Cytoisospora belli
d)
Cyclospora cayetanensis
116.
AF positive in Modified acid fast stain
a)
C. parvum
b)
C. belli
c)
C. cayetanensis
d)
S. hominis
117.
All autofluoresce except
a)
C. parvum
b)
C. belli
c)
C. cayetanensis
d)
S. hominis
118.
AF variable in Modified acid fast stain
a)
C. parvum
b)
C. belli
c)
C. cayetanensis
d)
S. hominis
119.
autofluorescence positive
a)
C. parvum
b)
C. belli
c)
C. cayetanensis
d)
S. hominis
120.
MOT: Ingestion of mature or sporulated oocysts
a)
Balantidium coli
b)
Cryptosporidium parvum
c)
Cytoisospora belli
d)
Cyclospora cayetanensis
121.
Habitat: large intestine
a)
Balantidium coli
b)
Cryptosporidium parvum
c)
Cytoisospora belli
d)
Cyclospora cayetanensis
122.
Oocyst is immediately infective
a)
Balantidium coli
b)
Cryptosporidium parvum
c)
Cytoisospora belli
d)
Cyclospora cayetanensis
123.
Cyanobacterium-like body
a)
Balantidium coli
b)
Cryptosporidium parvum
c)
Cytoisospora belli
d)
Cyclospora cayetanensis
124.
Man is dead-end intermediate host; DH = dog and cat
a)
Sarcocystis hominis, S. suihominis
b)
Sarcocystis lindemanni
c)
Blastocystis hominis
d)
Encephalitozoon intestinalis, Enterocytozoon bueneusi
125.
habitat: muscle
a)
Sarcocystis hominis, S. suihominis
b)
Sarcocystis lindemanni
c)
Blastocystis hominis
d)
Encephalitozoon intestinalis, Enterocytozoon bueneusi
126.
stramenophiles along with other spp.
a)
Sarcocystis hominis, S. suihominis
b)
Sarcocystis lindemanni
c)
Blastocystis hominis
d)
Encephalitozoon intestinalis, Enterocytozoon bueneusi
127.
microsporidians
a)
Sarcocystis hominis, S. suihominis
b)
Sarcocystis lindemanni
c)
Blastocystis hominis
d)
Encephalitozoon intestinalis, Enterocytozoon bueneusi
128.
MOT: ingestion or inhalation of spores
a)
Sarcocystis hominis, S. suihominis
b)
Sarcocystis lindemanni
c)
Blastocystis hominis
d)
Encephalitozoon intestinalis, Enterocytozoon bueneusi
129.
MOT: ingestion or inhalation of thick-walled cyst
a)
Sarcocystis hominis, S. suihominis
b)
Sarcocystis lindemanni
c)
Blastocystis hominis
d)
Encephalitozoon intestinalis, Enterocytozoon bueneusi
130.
MOT: accidental ingestion of mature oocysts
a)
Sarcocystis hominis, S. suihominis
b)
Sarcocystis lindemanni
c)
Blastocystis hominis
d)
Encephalitozoon intestinalis, Enterocytozoon bueneusi
131.
MOT: accidental ingestion of sarcocysts from undercooked meat
a)
Sarcocystis hominis, S. suihominis
b)
Sarcocystis lindemanni
c)
Blastocystis hominis
d)
Encephalitozoon intestinalis, Enterocytozoon bueneusi
132.
Intestinal sarcocystosis (usually asymptomatic)
a)
Sarcocystis hominis, S. suihominis
b)
Sarcocystis lindemanni
c)
Blastocystis hominis
d)
Encephalitozoon intestinalis, Enterocytozoon bueneusi
133.
Tissue sarcocystosis (myalgia, muscle weakness and transitory edema)
a)
Sarcocystis hominis, S. suihominis
b)
Sarcocystis lindemanni
c)
Blastocystis hominis
d)
Encephalitozoon intestinalis, Enterocytozoon bueneusi
134.
Usually asymptomatic
a)
Sarcocystis hominis, S. suihominis
b)
Sarcocystis lindemanni
c)
Blastocystis hominis
d)
Encephalitozoon intestinalis, Enterocytozoon bueneusi
135.
Diarrheal disease among immunocompromised patients
a)
Sarcocystis hominis, S. suihominis
b)
Sarcocystis lindemanni
c)
Blastocystis hominis
d)
Encephalitozoon intestinalis, Enterocytozoon bueneusi