Diseases Caused by Parasites

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Questions and Answers

Which of the following parasites can cause a rash on the foot?

Strongyloides stercoralis

Necator americanus

Ancylostoma duodenale (correct)

Wuchereria bancrofti

Which of the following infections can cause enlargement of the spleen, liver, and lymph nodes?

Ancylostoma duodenale infection

Strongyloides stercoralis infection

Echinococcus granulosus infection

Wuchereria bancrofti infection (correct)

What is the name of the disease caused by Onchocerca volvulus?

River blindness (correct)

Fascioliasis

Elephantiasis

Ascariasis

Which of the following parasites can cause anemia?

Ascaris lumbricoides Signup and view all the answers

What is the name of the disease caused by Toxocara canis?

Toxocariasis Signup and view all the answers

Which of the following parasites can cause abdominal pain?

Fasciola hepatica Signup and view all the answers

Which of the following is NOT a symptom of Hookworm infection?

Enlarged spleen Signup and view all the answers

Which of the following parasites can cause coughing?

Strongyloides stercoralis Signup and view all the answers

What is a common symptom of Trichinella spp. infection?

Abdominal pain Signup and view all the answers

Which of the following is NOT a symptom of Toxocariasis?

Appendicitis Signup and view all the answers

What is the role of Ixodes spp. in disease transmission?

Vector Signup and view all the answers

Which of the following is a symptom of Hookworm Infection?

Diarrhea Signup and view all the answers

What is a common complication of Onchocerciasis?

Worm cysts in the brain Signup and view all the answers

Which of the following is a symptom of Loiasis?

Itching Signup and view all the answers

What is a symptom of Schistosomiasis?

Diarrhea Signup and view all the answers

What is a complication of Trichinella spp. infection?

Worm cysts in the brain Signup and view all the answers

What is the primary mode of transmission for Loiasis?

Insect bites from deer flies Signup and view all the answers

What is the common name for Schistosomiasis?

Bilharziasis Signup and view all the answers

Which disease is caused by the Onchocerca volvulus parasite?

River blindness Signup and view all the answers

What is the primary symptom of Hookworm Infection?

Itching and skin lesions Signup and view all the answers

What is the causative agent of Toxocariasis?

Toxocara canis Signup and view all the answers

Which of the following diseases is NOT a parasitic helminth disease?

Trichomoniasis Signup and view all the answers

What is the primary site affected by Loiasis?

Subdermal tissues Signup and view all the answers

Which of the following diseases is characterized by blindness?

Onchocerciasis Signup and view all the answers

What is the primary mode of transmission for Schistosomiasis?

Contact with contaminated water Signup and view all the answers

Which of the following diseases is NOT transmitted through insect bites?

Hookworm Infection Signup and view all the answers

Study Notes

Protozoan Diseases

Leishmaniasis is caused by Leishmania donovani and transmitted through sandfly bites, causing skin sores, fever, weight loss, and enlargement of the spleen and liver.
Amoebiasis is caused by Entamoeba histolytica and transmitted through ingestion of cysts in contaminated food or water, causing diarrhea, abdominal pain, blood/mucus in stool, and liver abscess.
Trichomoniasis is caused by Trichomonas vaginalis and transmitted through sexual contact, causing itching, burning during urination, and discharge from the genital tract.
Trypanosomiasis is caused by Trypanosoma brucei and transmitted through tsetse fly bites, causing fever, headache, joint pains, itching, and later neurological problems and sleep disturbances.
Toxoplasmosis is caused by Toxoplasma gondii and transmitted through ingestion of oocysts in contaminated food or water, undercooked meat, or cat feces, causing flu-like symptoms and serious complications in immunocompromised individuals and pregnant women.

Parasitic Helminths

Schistosomiasis (Bilharziasis)

Caused by Schistosoma spp. and transmitted through skin contact with contaminated water, causing cough, difficulty breathing, and enlarged spleen, liver, and lymph nodes.

Pathogenic Helminths

Loa Loa causes loiasis, transmitted through insect bites, causing localized swelling of the dermis and subdermal tissues, and eye pain as worms migrate.
Onchocerca volvulus causes river blindness, transmitted through blackfly bites, causing blindness, and swelling around the eyes, retinitis, and impaired vision.
Toxocara canis causes toxocariasis, transmitted through contaminated soil or feces, causing localized swelling of the dermis and subdermal tissues, and eye pain as worms migrate.

Sites of Infection

Eyes: Loa Loa, Onchocerca volvulus, and Toxocara canis
Circulatory and Lymphatic Systems: Schistosoma spp., Wuchereria bancrofti
Gastrointestinal System: Various helminths, including Ancylostoma duodenale, Ascaris lumbricoides, Clonorchis sinensis, Diphyllobothrium latum, Echinococcus granulosus, Enterobius vermicularis, Fasciola hepatica, Necator americanus, Strongyloides stercoralis, Taenia spp., and Trichinella spp.

Arthropods

2 subphyla of interest: Crustacea and Uniramia
Common arthropod parasites and vectors: Ixodes spp. (ticks), Phlebotomus spp. (sandflies), Glossina spp. (tsetse flies)

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Description

This quiz covers different diseases caused by parasites, including leishmaniasis and cryptosporidiosis. It also explores symptoms such as persistent diarrhea and malabsorption.