Giardia and Entamoeba

Question 1

how many cysts will it take giardia to produce a disease

Answer 1

10

Question 2

giardia Lodges in the intestine of?

Answer 2

man, pigs, monkeys

Question 3

Giardia spp in peoplecurrently has been called

Answer 3

Giardia lamblia, Giardia duodenalis, Giardia intestinalis, or Giardia enteric

Question 4

Giardia in mice

Answer 4

Giardia muris

Question 5

Giardia in amphibians

Answer 5

G. agilis

Question 6

Giardia in birds

Answer 6

G. psittaci

Question 7

Assemblages A and B are considered to be mainly those found in

Answer 7

humans, also in dogs and cats

Question 8

Assemblages C and D make up the majority of organisms found in

Answer 8

dogs

Question 9

Assemblage E makes up the group most typically found in

Answer 9

hoofed stock

Question 10

Assemblage F consist of the forms from

Answer 10

cats

Question 11

Assemblage G represents the form from

Answer 11

rats

Question 12

Giadia trophozoites are adapted for attachments for?

Answer 12

mucous epithelial cells of the small intestine

Question 13

resistant forms and are responsible for transmission of giardiasis

Answer 13

cysts

Question 14

where does giardia excystation occur

Answer 14

small intestine

Question 15

where does giardia trophozoites multiply and remain freely attached

Answer 15

lumen of proximal small bowel

Question 16

Encystation of giardia occurs as the parasites transit toward? the

Answer 16

colon

Question 17

Acute giardiasis develops after an incubation period of?

Answer 17

1-14 days, ave. 7 days

Question 18

acute giardiasis lasts how many days

Answer 18

1-3 weeks

Question 19

shape like a teardrop, with one side pushed in to form a sucking disc

Answer 19

Giardia trophozoite

Question 20

All of the other intestinal flagellates are found?

Answer 20

cecum and colon

Question 21

Giardia spp invades the?

Answer 21

small intestine

Question 22

usually form infective cyst before passing out with the feces

Answer 22

Giardia trophozoites

Question 23

In dogs, diarrhea caused by giardia may begin as early as?

Answer 23

5 days

Question 24

In cats, Giardia trophozoites are found in the?

Answer 24

jejunum and ileum

Question 25

nutrition type of amoebae

Answer 25

holozoic

Question 26

More prevalent in warm climates, and in children

Answer 26

giardia

Question 27

movement of amoebae

Answer 27

pseudopodia

Question 28

disease caused by Naegleria fowleri

Answer 28

amoebic meningoencephalitis or brain eating amoeba

Question 29

Produce meningoencephalitis primarily in mice and monkey but man may also be affected if introduced intranasally

Answer 29

acanthamoeba culbertsoni

Question 30

nonpathogenic amoeba hosted by humans

Answer 30

Entamoeba dispar, Entamoeba hartmanni, Entamoeba coli, Iodamoeba buetschlii, Endolimax nana

Question 31

well recognized as a pathogenic amoeba, associated with intestinal and extra intestinal infections

Answer 31

E. histolytica

Question 32

amebiasis is transmitted by ingestion of mature?

Answer 32

tetranucleate cyst

Question 33

endemic disease of the tropics that occurs sporadically in the temperate regions

Answer 33

Entamoeba histolytica

Question 34

risk groups include male homosexuals, travelers and recent immigrants

Answer 34

amebiasis

Question 35

Produce chronic keratitis among contact lens users

Answer 35

acanthamoeba culbertsoni

Question 36

principally a parasite of the large intestine and cause amoebic dysentery in humans

Answer 36

entamoeba histolytica

Question 37

clinical manifestation of amebiasis

Answer 37

1. Enteritis with persistent dysentery but may be
   asymptomatic
2. Excessive mucus and blood appearing in the
   feces
3. Defecation with straining
4. General abdominal pain and discomfort

Question 38

Excystation of E. histolytica occurs in

Answer 38

small intestines

Question 39

after excystation of E. histolytica, it migrates to ____ to multiply by binary fission

Answer 39

large intestine (colon)

Question 40

Extraintestinal disease of e. histolytica affects

Answer 40

liver, lungs, brain