AMOEBA LAB

Question 1

multicellular

Answer 1

Nematodes
cestodes
trematodes

Question 2

Unicellular

Answer 2

Protozoans

Question 3

hyaline foot-like extrusions from the ectoplasm

Answer 3

pseudopods

Question 4

all amoebae are intestinal dwellers except

Answer 4

entamoeba gingivalis
acanthamoeba
naegleria fowleri

Question 5

all amoeba are commensal except

Answer 5

entamoeba histolytica

Question 6

all amoeba undergo encystation except:

Answer 6

entamoeba gingivalis

Question 7

what is the infective stage

Answer 7

cyst stage

Question 8

Diagnostic stage

Answer 8

cyst and trophozoite

Question 9

movement of histolytica

Answer 9

rapid, unidirectional, progressive

Question 10

cytoplasmic inclusions of E. histolytica troph

Answer 10

ingested red blood cells

Question 11

cytoplasmic inclusion that contains rna material

Answer 11

chromatoid bars

Question 12

cytoplasmic inclusion that is a food reserve

Answer 12

glycogen mass

Question 13

unstained direct fecal smear

Answer 13

normal saline solution (nss)

Question 14

stained fecal smear for cyst

Answer 14

lugol’s iodine

Question 15

stained fecal smear for troph

Answer 15

quensel’s methylene blue

Question 16

stained fecal smear for both troph and cyst

Answer 16

best carmine stain
trichrome stain
iron hematoxylin

Question 17

serologic test for E. histolytica

Answer 17

Serine rich E. histolytica protein

Question 18

most commonly affected extraintestinal organ

Answer 18

liver

Question 19

cytoplasmic inclusion of Entamoeba coli troph

Answer 19

vacuoles containing bacteria

Question 20

cytoplasmic inclusion of Entamoeba coli cyst

Answer 20

thin chromatoid bars

Question 21

amoeba that is isolated from garbage

Answer 21

entamoeba hartmanni

Question 22

has peripheral chromatin that has a beaded appearance

Answer 22

entamoeba hartmanni troph

Question 23

cytoplasmic inclusions of E. polecki troph

Answer 23

ingested bacteria and food particles

Question 24

has a blotlike apperance

Answer 24

endolimax nana

Question 25

has no peripheral chromatin

Answer 25

endolimax nana troph

Question 26

cytoplasmic inclusions of Iodamoeba butschlii troph

Answer 26

bacteria, yeast, and other debris

Question 27

amoeba that only has one nucleus

Answer 27

E. polecki and I. butschlii

Question 28

what does iodine binds with

Answer 28

glycogen

Question 29

has a cytoplasmic inclusion of food vacuoles containing wbc

Answer 29

E. gingivalis

Question 30

known as opportunistic parasite

Answer 30

N. fowleri and Acanthamoeba

Question 31

has a blunt pseudopod

Answer 31

N. fowleri

Question 32

three known forms of N. fowleri

Answer 32

trophozoite, cyst, and flagellated