Parasitology Review

Flashcards about Parasitology lecture notes.

What is mutualism?

A symbiotic relationship where both organisms benefit.

What is parasitism?

A symbiotic relationship where one organism benefits and the other is harmed.

What is commensalism?

A symbiotic relationship where one organism benefits and the other is neither harmed nor benefits.

What are permanent parasites?

Parasites that stay inside the host from early life to maturity.

What are intermittent parasites?

Parasites that simply visit the host during feeding time.

What are transitory parasites?

Parasites whose larva develops in a host, while the adult is free-living.

What is an erratic parasite?

A parasite that becomes permanent in an organ that is not typically parasitized.

What is the definitive host?

The host harboring the parasite's sexual phase.

What is the intermediate host?

The host harboring the asexual stage of a parasite.

What is a facultative organism?

An organism that can live independently.

What is an accidental organism?

An organism that lives in a host it does not usually parasitize.

What is the host of Diphyllobothrium latum?

Fish

What is the host of Taenia Saginata?

Beef

What is the host of Taenia solium?

Pork

What is the host of Hymenolepis nana?

Rat/rice beetle

What is the host of Echinococcus granulosus?

Dog

What is the host of Balantidium coli?

Pig

What is the host of Toxoplasma gondi?

Cat

What is the host of Schistosoma japonicum?

Snail

What is the source of infection for Ascaris Lumbricoides?

Ingestion of eggs

What is the source of infection for Capillaria Philipinensis?

Ingestion of undercooked or raw freshwater fish “bagsit”

What is the source of infection for Trichinella Spiralis?

Ingestion of animal meat infected with pathogenic cysts (undercooked)

What is the source of infection for Necator Americanus?

Skin penetration

What is the source of infection for Trichomonas?

Person to Person through genital contact during sex

What is the source of infection for Clonorchis Sinensis?

Ingestion of undercooked or raw freshwater fish containing encysted larvae (metacercaiae)

What is another name for Threadworm?

Strongyloides stercoralis

What is another name for Whipworm?

Trichuris trichiura

What is another name for Giant worm?

Ascaris lumbricoides

What is another name for Pin worm?

Enterobius vermicularis

What is another name for Cochin china diarrhea (threadworm)?

Strongyloidiasis

What is another name for Old world hookworm?

Ancylostoma duodenale

What is another name for New world hookworm?

Necator americanus

What is another name for Echinococcus granulosus?

Dog Tapeworm

What is another name for Paragonimus Westermani?

Oriental Lung Fluke

What is another name for Fasiolopsis Buski?

Large Intestinal Fluke

What is another name for Schistosoma Hematobium?

Romantic Parasites

What is another name for Bilharziasis?

Schistosomiasis

What are the signs and symptoms of Hemolymphatic Stage (Acute: Parasitemic Stage) trypanosoma brucei?

Initial Lesion, Trypanosomal chancre indurated ulcer, At the site of insect bite, Intermittent Weekly fever, Lymphadenopathy, Winterbottom’s Sign, Enlargement of the posterior cervical lymph nodes, Red Rash accompanied by pruritus, localized edema, Kerandel’s Sign, Delayed pain sensation, Meningoencepalitic Stage, Encephalitis: headache, insomnia, mood changes, Muscle tremors, slurred speech, apathy, Somnolence (drowsiness) Disturbed sleep Pattern

What is the causative agent of Chaga’s Disease?

trypanosoma cruzi

What is the diagnostic test for enterobius vermicularis?

scotch tape test

What is the vector of Trypanosomasis?

Reduviid bug (Triatoma, “cone-nose” or kissing bug)

What is the vector of kala azar disease?

Lutzomyia Sandfly, Phlebotomus Sandfly

What is the vector of trypanosoma cruzi?

Reduviid bug (Triatoma, “cone-nose” or kissing bug)