Parasitology

Question 1

Vegetative, motile, active reproduction, feeding, less resistant
Non-infective when ingested since it will die due to stomach acid

Answer 1

Trophozoite

Question 2

Non-motile, resistant due to hyaline wall
-Resistant to acid

Answer 2

Cyst

Question 3

All amoeba are intestinal except

Answer 3

E. gingivalis

Question 4

Charcot Leyden crystals are associated with what parasite?

Answer 4

e. histolytica

Question 5

true or false
Both cyst and trophozoite are used for diagnostic stage in E. histolytica

Answer 5

True

Question 6

The only pathogenic parasite among amoeba

Answer 6

E. histolytica

Question 7

Karyosome appearance of Entamoeba coli cyst

Answer 7

eccentric chromosome

Question 8

Nuclear membrane appearance of Entamoeba coli cyst
thin or thick

Answer 8

thick

Question 9

Chromatoidal body appearance of Entamoeba coli cyst

Answer 9

whisk broom, splintered glass

Question 10

number of nuclei for Entamoeba coli cyst

Answer 10

Nuclei = 1-8

Question 11

Pseudopod appearance of Entamoeba coli cyst

Answer 11

round, blunted

Question 12

also known as crossed eyed cyst

Answer 12

Endolimax nana

Question 13

Karyosome appearance of Endolimax nana

Answer 13

Blot-like karyosome

Question 14

Smallest protozoan

Answer 14

Endolimax nana

Question 15

amoeba that causes Pyorrhea alveolaris

Answer 15

Entamoeba gingivalis

Question 16

amoeba that Resembles bull’s eye

Answer 16

Iodamoeba butchlii cyst

Question 17

Trophozoite has spiny hyaline extensions

Answer 17

Acanthamobea spp

Question 18

Acanthamobea spp Infective stage is?

Answer 18

trophozoite

Question 19

? stools are best for detecting amoeba and flagellate trophozoites

Answer 19

Liquid

Question 20

What are the ameobas without cyst? = NoTED

Answer 20

Trichomonas
E. gingivalis
D. fragilis

Question 21

Sexually transmitted amoebas
2TEG or GETT

Answer 21

® T. vaginalis
® T. cruzi
® E. histolytica
® G. lamblia (male to male)

Question 22

What is the appearance of amebic liver abscess due to E. histolytica

Answer 22

Anchovy sauce

Question 23

What are the entry points of Acanthamoeba
- BEN

Answer 23

Broken skin/ulcerated skin
Eyes
Nasal

Question 24

has the Motility : falling leaf

Answer 24

Gardia lamblia

Question 25

trophozoite appearance Old man with eyeglasses, pear shaped, teardrop (anterior: Rounded ; posterior: Pointed)

Answer 25

Gardia lamblia

Question 26

number or nuclei and flagella of Gardia lamblia

Answer 26

Nuclei: 2 Flagella : 8

Question 27

causes (traveller's diarrhea)

Answer 27

Gardia lamblia

Question 28

Dx stage of Gardia lamblia

Answer 28

Trophozoite and cyst

Question 29

specimen of choice for Gardia lamblia

Answer 29

Duodenal fluid aspirate

Question 30

cyst appearance is pear or lemon shaped * conical anterior with knob- like protuberance - nipple shape

Answer 30

Chilomastrix meslini

Question 31

parasite associated with Pingpong Disease

Answer 31

Trichomonas vaginalis

Question 32

Trichomonas vaginalis motility

Answer 32

rapid jerky motility

Question 33

Brain-eating amoeba

Answer 33

Naegleria fowleri

Question 34

Infective and Diagnostic stage of Naegleria fowleri

Answer 34

Trophozoite

Question 35

The ONLY ciliated medically significant protozoan.

Answer 35

Balantidium coli

Question 36

THROWN BALL or BORING motilit

Answer 36

Balantidium coli

Question 37

Which parasite causes strawberry cervic

Answer 37

Trichomonas vaginalis

Question 38

Which sample is preferred for T. tenax

Answer 38

Mouth scrapings

Question 39

Which sample is preferred for T. tenax

Answer 39

Feces

Question 40

What is the characteristics of vaginal discharge if a person is infected with T. vaginalis?

Answer 40

Yellow-green frothy discharge with foul odor

Question 41

Which parasite is pear-shaped with twisted posterior end

Answer 41

Chilomastrix meslini

Question 42

What is the characteristic shape of C. meslini?

Answer 42

Shepherd’s crook

Question 43

Which amoeba has a large glycogen vacuole

Answer 43

Iodameoba butchlii

Question 44

Morphological Stages of Flagellates Ovoid (with nucleus and kinetoblast) * NO flagella (non-motile) * NO undulating membrane

Answer 44

AMASTIGOTE

Question 45

Morphological Stages of Flagellates * Elongated * Spindle * WITH flagella * NO undulating membrane * Kinetoplast anterior to nucleus

Answer 45

PROMASTIGOTE

Question 46

Flagella * Almost posterior * WITH undulating membrane * Kinetoplast anterior to nucleus

Answer 46

EPIMASTIGOTE

Question 47

* Kinetoplast POSTERIOR to nucleus * 12 to 35 um long * 2 to 4 um wide * Often assume the shape of letters C, S, or U in stained blood films * FULL BODY LENGTH undulating membrane

Answer 47

TRYPOMASTIGOTE

Question 48

American trypanosomiasis or Chagas’ disease

Answer 48

Trypanosoma cruzi

Question 49

Treatment For T. cruzi

Answer 49

Nifurtimox (Lampit)

Question 50

the most common initial symptom for T. cruzi

Answer 50

Chagoma

Question 51

Winterbottom sign is seen on

Answer 51

T. brucei rhodesiense

Question 52

True or false Presence of IgG in the CSF is diagnostic for T. b. rhodesiense

Answer 52

False, should be IgM

Question 53

Tsetse fly

Answer 53

T. gambiense and T. b. rhodesiense

Question 54

Enlargement of visceral organs

Answer 54

T. cruzi

Question 55

What appearance is created by Babesia inside the RBC in which there are 4 trophozoites that are connected by their chromatin?

Answer 55

Maltese cross appearance

Question 56

Mature oocyst with sausage shaped sporozoites

Answer 56

Isospora belli

Question 57

it is identified using Gomori Methenamine Silver stain

Answer 57

Pneumocystis jirovecii

Question 58

Toxoplasma gondii Infective Stage from man to man

Answer 58

tachyzoites and bradyzoites

Question 59

Ixodes dammini

Answer 59

Babesia microti

Question 60

Ixodes ricinus

Answer 60

B. divergens

Question 61

Babesia Infective stage:

Answer 61

Sporozoites

Question 62

Babesia Diagnostic Stage:

Answer 62

Trophozoite

Question 63

Prodrome-like symptoms is seen in

Answer 63

Babesia

Question 64

* Young RBCs * Enlarged, distorted with ragged cell walls * Infection for 1 yr

Answer 64

P. ovale

Question 65

True or false P. falciparum and P. malariae have the ability to hide behind the endothelial cells, thus not recognized by WBCs

Answer 65

true

Question 66

Both young and old RBCs infected

Answer 66

P. falciparum

Question 67

– Maurer’s dot

Answer 67

P. falciparum

Question 68

Ziemann’s dot

Answer 68

P. malariae

Question 69

active chromatin replication is seen

Answer 69

Immature schizonts

Question 70

taken by the mosquito/infects the mosquito

Answer 70

Gametocyte

Question 71

infects man

Answer 71

Sporozoite

Question 72

Black water

Answer 72

Plasmodium falciparu

Question 73

Also known as Dum Dum fever or Kala-azar with hepatosplenomegal

Answer 73

Leishmania donovani comple

Question 74

Sandfly carries Promastigote True or False

Answer 74

True

Question 75

Promastigotes are phagocytized by monocytes, at kayang mabuhay sa loob ng phagocytes MEANS they are extracellular True or False

Answer 75

False, should be intracellular

Question 76

EAST African Sleeping sickness, Rhodesian trypanosomiasis

Answer 76

Trypanosoma brucei rhodesiense

Question 77

Romana sign

Answer 77

T. cruzi

Question 78

parasite associated with the ff. Kerandel’s sign Winterbottom’s sign somnolence

Answer 78

T. brucei gambiense

Question 79

Trypanosoma cruzi MOT

Answer 79

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