Parasitic Amoebas

Question 0

More easily destroyed than the cyst

Answer 0

Trophozoite

Question 1

Active vegatative form

15-30 u

Answer 1

Trophozoite

Question 2

Ectoplasm of tropozoite is sharply separated from the

Answer 2

Endoplasm

Question 3

Endoplasm of tropozoite sometimes include ____

Answer 3

RBC

Question 4

How many nucleus tropozoite has?

Answer 4

1

Question 5

Location of nucleus of tropozoite?

Answer 5

Eccenteric

Question 6

Single eccenteric nucleus contains a _______ located _______

Answer 6

Centrally

Karyosome

Question 7

Look like of tropozoite

Answer 7

Finger like pseudopodia

Question 8

Tropozoite only has one?

Answer 8

Nucleus

Question 9

What is the shape of the cyst

Answer 9

Round to oval

Question 10

What is the size of cyst?

Answer 10

10-20 u

Question 11

How many days the cyst can surive at 37c

Answer 11

2days

Question 12

Cyst can survive 60 days at what temperature?

Answer 12

0C

Question 13

Cyst has a _____ wall

Answer 13

Smooth refractile

Question 14

Cytoplasm of cyst contains ____ and ____ for nutrition

Answer 14

Glycogen

Chomotoid bodies

Question 15

Immature cyst

Answer 15

1 or 2 nuclei

Question 16

Mature cyst

Answer 16

Infective

Contains 4 nuclei

Question 17

Reproduction of trophozoite

Answer 17

Binary fission

Question 18

Cyst- small intestine enzymes undergo ______ becomes ______

Answer 18

Exestation

Trophozoite

Question 19

Cyst passes through _____

Answer 19

Stomach

Question 20

How many trophozoites in the colon have?

Answer 20

8

Question 21

Cyst formation

Answer 21

Encystation

Pt. only forms formed stools

Question 22

Lesions under microscope, primary.

Answer 22

Intestinal

Question 23

Lesions under microscope, secondary.

Answer 23

Extra intestinal

Liver

Question 24

Colonization of the large intestine

Answer 24

Flask shaped ulcers Wide base and narrow opening Irregular slightly elevated Muscularis propria

Question 25

Complications

Answer 25

``` Appendicitis Intestinal perforartion Hemorrhage Stricture Granuloma (chronic) ```

Question 26

Belong to a group of protozoans that are motile through cytoplasmic extensions known as pseudopods

Answer 26

Ameba

Question 27

Example of amebas

Answer 27

``` Parasitic amebas Entamoeba histolytica E. coli Dispar Hartmanii Gingivalis Nana Butchliii ```

Question 28

Entamoeba histolytica causes

Answer 28

Amebiasis Amebic dysentery Amebic hepatitis

Question 29

Principal host of E. histolytica

Answer 29

Human beings

Question 30

Example of E. H

Answer 30

Cyst | Trophozoite

Question 31

Cyst may be seen in

Answer 31

Formed stools

Question 32

Trophozoite commonly seen in

Answer 32

Diarrheic stools

Question 33

E.H incidence of infection is as high as

Answer 33

0.2 - 50%

Question 34

E.H prevalence in homos is as high as

Answer 34

25 - 35%

Question 35

Infective stage of organism

Answer 35

Cyst

Question 36

Main source of infection

Answer 36

Cyst

Question 37

Dissemination from the intestine chiefly by the bloodstream

Answer 37

Hepatic amoebiasis

Question 38

The wall of the abscess thickness and the center liquifies becoming a red brown mass of autolysed hepatic cells, rbc, bile, etc.

Answer 38

Hepatic amebiasis

Question 39

Extraintestinal

Answer 39

Hepatic amebiasis Pulmonary amebiasis Cerebral amebiasis

Question 40

How to diagnose?

Answer 40

Microspcopic identification of the cysts or trophozoites in feces or tissue

Question 41

What are components of amebic stools?

Answer 41

Acidic Few neutrophils Degenerated RBCs Positive charcot leyden crytals ( derived from eosinophils )

Question 42

Treatment for parasitic amoebas

Answer 42

Metronidazole 750 mg TID for 5-10 days | Iodoquinol 650mg TID, 20 days

Question 43

Non pathogenic amoebas

Answer 43

``` Entamoeba coli Entamoeba dispar Entamoeba hartmanii Entamoeba gungivalis Entamoeba nana Iodamoeba butchilii ```

Question 44

Prevalence of 10-30 %

Answer 44

E coli

Question 45

Life cycle to E H Mistaken for a EH

Answer 45

E coli

Question 46

More ganular endoplasm containing ingested bacteria

Answer 46

E coli trophozoite

Question 47

Larger with more granular cytoplasm

Answer 47

E coli cyst

Question 48

In 1993, proposed as the name for non pathogenic E Histolytica

Answer 48

E dispar

Question 49

Originally though to be a " small race" of EH, now considered as a seperate species

Answer 49

E hartmanii

Question 50

Narrower ectoplasm

Answer 50

E coli trophozoite

Question 51

Slender, splinter like chromatoid bodies neclei with eccenteric karyosome

Answer 51

E coli cyst

Question 52

Broader or blunter pseudopodia -

Answer 52

E coli trophozoite

Question 53

Identical to E H but does not invade the tissues

Answer 53

E dispar

Question 54

Eccenteric karyosome in the nucleus

Answer 54

E coli trophozoite

Question 55

More sluggish movement

Answer 55

E coli trophozoite

Question 56

Morphology is similar to E histolytica but smaller (12-15u)

Answer 56

E hartmanii

Question 57

Most stricking characteristics

Answer 57

E gingivalis

Question 58

10-20% prevalence

Answer 58

Endolimax nana

Question 59

With prominent karyosine

Answer 59

Endolimax nana

Question 60

Identified by the charac nucleus and large glycogen body in the uninucleated cyst

Answer 60

Iodamoeba buthclii

Question 61

Small (5-14)

Answer 61

Endolimax nana

Question 62

4 nucleus cyst, uninucleated trophozoite

Answer 62

Endolimax nana

Question 63

May be stained by iodine due to glycogen

Answer 63

Iodamoeba butchlii

Question 64

Blastocystis hominis

Answer 64

Yeast to protozoa | Large number found in feces with severe diarrhea

Question 65

Commonly in stool small

Answer 65

Blastocystis hominis

Question 66

Tereatment to blastocystis hominis

Answer 66

Metronidazole

Question 67

Appear in the feces as spherical cyst like stage large central vacuole with narrow rim of cytoplasm containing nuclei

Answer 67

Blastocystis hominis