02 - Amoebae, Trichomonads, Histomonads

Question 1

(Amoebae)

1. kingdom?
2. phylum?
3. sub-phylum?

4-6. What are its three main features?

Answer 1

1. protozoa
2. sarcomastigophora
3. sarcodina
4. pseudopodia
5. binary fission
6. +- cysts

Question 2

(Amobae - Characteristics)

1. most or least free living?
2. others have assocations… what two types?

Answer 2

1. most
2. commensalism and parasitism

Question 3

look at this

Question 4

Answer 4

Question 5

Entamoeba Histolytica

(hosts & prevalence)

1. Present in what % of world’s primates?
2. in the wild or in zoos?
3. occur how frequenlty dog, cats, pigs, rats, cattle, etc?

Answer 5

1. 10%
2. both
3. infrequently

Question 6

Answer 6

don’t memorize life cycle

Question 7

take a look

Question 8

(Entamoeba Histolytica)

(pathogensis)

(primate)

1. how high is infection rate in nautre?
2. where from at zoos?
3. infection siilar to thos of humans?
4. how serious are infections?

Answer 8

1. low
2. humans possibly
3. yes
4. can be fatal

Question 9

(Entamoeba Histolytica)

(Pathogenesis)

(Human)

1. invades what?
2. what percentage of nfections are asymptomatic?
3. disease potential related to what?

Answer 9

1. mucosa of large intestine
2. 85-90%
3. strain of parasite

Question 10

(Entamoeba Histolytica)

(pathogenesis)

(dog and cat)

1. occurs how often?
2. greater in dogs or cats?
3. of what origin?
4. are cysts formed?

Answer 10

1. sporadcally
2. dogs
3. human
4. don’t know

Question 11

(Entamoeba Histolytica)

(Clinical Signs)

1-3. what are three symptoms?

Answer 11

1. abdominal distress with blood/mucus in stool
2. chills and fever
3. colitis

Question 12

(Entamoeba Histolytica)

(complicationS)

1. amebic granulomata (ameboma) in what?
2. abcesses of what three things?
3. ulcerations of what?
4. potential death or severe disability?

Answer 12

1. wall of large intestine
2. liver, lungs, brain
3. skin… usually in perinanal area
4. yep

Question 13

Answer 13

Question 14

Answer 14

Question 15

What is treatment for Entamoeba Histolytica?

1-2

Answer 15

Question 16

1. What is the causative agent of amebiasis in reptiles?
2. morphologically similar to?
3. signs/symptoms?
4. treatment?

Answer 16

1. entamoeba invadens
2. E. histolytica
3. anorexia, weight loss, and blood in stools
4. metronidazole