Amoebiasis

Question 0

Entamoeba histolytica is found

Answer 0

Found world wide

Humans and non human mammals as reservoirs and definitive hosts

Question 1

Cause

Answer 1

Entamoeba histolytica

Question 2

Life cycle: Humans acquire cysts by

Answer 2

Oral-fecal route

Question 3

Amoebiasis is transmitted during

Answer 3

The period of cyst passing and can continue for years after symptoms subside

Question 4

Following ingestion of cysts …

Answer 4

Amoebas develop and invade the mucosa of the LARGE INTESTINES

Question 5

Amoebas develop onto……… And pass out with ……….

Answer 5

Cysts, feces

Question 6

Incubation period is

Answer 6

Weeks to months

Question 7

Pathogenesis of the dz

Answer 7

Produce a toxin that erodes the mucosal surface of the LARGE INTESTINES resulting in ulcerative FLASK-SHAPED lesions

Question 8

As a result of amoebiasis, amoebomas ( granulomas) can occur in the

Answer 8

Brain, spleen, liver, lungs, skin

Question 9

Does partial or protective immunity follow amoebiasis?

Answer 9

NO

Question 10

Amoebiasis symptoms:

Gastrointestinal

Answer 10

Fever
Bloody diarrhea
Leukocytosis
Anemia
Nausea
Vomiting and abdominal pain

Question 11

Amoebiasis symptoms:

Respiratory

Answer 11

Chest pain and cough

Question 12

Amoebiasis symptoms:

Hepatitis

Answer 12

Chills
Fever
Enlarged liver

Question 13

Amoebiasis symptoms:

Brain abscesses

Answer 13

Can be fatal

Question 14

Amoebiasis symptoms:

Conjunctivitis or skin sores

Answer 14

With a fetid odor

Question 15

Diagnosis

Answer 15

Amoebas in exudate or feces containing a central karyosome or CYSTS contains 1-4 nuclei in IODINE stained preparation.

Question 16

Non-symptomatic positives must be differentiated from

Answer 16

Entamoeba dispar using
enzyme immunoassay or
indirect hemagglutination assays

Question 17

Treatment

Answer 17

Metronidazole: Amoebic stages

Diloxanide Furoate: cyst stages

Question 18

Should asymptomatic be treated?

Answer 18

YES