Parasitology: Amebic Meningoencephalitis

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What is the route of transmission for Dientamoeba fragilis?

Direct skin contact
Vector transmission through an infected animal
Fecal-oral route and through the eggs of Enterobius (correct)
Contaminated air and water

What is characteristic of the mature cyst of Dientamoeba fragilis?

Four nuclei and four median bodies (correct)
Two nuclei and two median bodies
One nucleus and one median body
Four nuclei and two median bodies

What is the name of the first-line drug treatment for giardiasis?

Metronidazole
Albendazole
Tinidazole (correct)
Ivermectin

What diagnostic test can be used to detect Dientamoeba fragilis?

ELISA (D) Signup and view all the answers

What is a symptom of severe giardiasis?

Copious light-colored, fatty stool (D) Signup and view all the answers

What is the shape of the cyst of Dientamoeba fragilis?

Ovoid (C) Signup and view all the answers

What is the primary symptom of Primary Amebic Meningoencephalitis (PAM)?

Headache and fever (D) Signup and view all the answers

What is the characteristic movement of Ameboid Trophozoites in a wet preparation?

Progressive slug-like movement (C) Signup and view all the answers

What is the typical location of the karyosome in the nucleus of Ameboid Trophozoites?

Centrally located (D) Signup and view all the answers

What is the characteristic of the cyst wall of Acanthamoeba spp.?

Thick, single-layered wall (A) Signup and view all the answers

What is the primary specimen used for diagnosis of Amebic Meningoencephalitis?

Cerebrospinal Fluid (CSF) (A) Signup and view all the answers

What is the treatment approach for Amebic Meningoencephalitis?

No satisfactory treatment available (D) Signup and view all the answers

What is the primary mode of transmission for Balantidium coli?

Fecal-oral route (B) Signup and view all the answers

What is the name of the antibiotic used to treat Trichomoniasis?

Metronidazole (C) Signup and view all the answers

What is the common feature of the movement of Balantidium coli trophozoites?

Rotary and boring motility (D) Signup and view all the answers

What is the characteristic shape of the macronucleus in Balantidium coli?

Kidney-shaped (B) Signup and view all the answers

What is the diagnostic stage of Balantidium coli?

Cyst and trophozoite (B) Signup and view all the answers

What is the possible complication if Balantidiasis is left untreated?

Perforation of the colon (B) Signup and view all the answers

What is the shape of the trophozoite?

Pear-shaped or cruciform (C) Signup and view all the answers

What is the function of the outer shell of the parasite?

To allow the parasite to survive outside the body for long periods (C) Signup and view all the answers

What is a complication of babesiosis?

Low and unstable blood pressure (C) Signup and view all the answers

Where are the developmental stages of the parasite located?

Within a parasitophorous vacuole of host cell origin (C) Signup and view all the answers

What disease is caused by the microscopic parasite?

Cryptosporidiosis (A) Signup and view all the answers

What is the characteristic of immature schizonts?

Presence of multiple chromatin bodies (A) Signup and view all the answers

What is the average number of merozoites in a mature schizont?

16 (C) Signup and view all the answers

What is the characteristic of microgametocyte?

Large pink to purple chromatin mass (D) Signup and view all the answers

What is the characteristic of infected RBCs?

They are enlarged and distorted (C) Signup and view all the answers

What is the characteristic of Plasmodium ovale?

Causes benign tertian/ovale malaria (D) Signup and view all the answers

What is the characteristic of ring forms in Plasmodium ovale?

They are larger and thicker than vivax (C) Signup and view all the answers