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Parasitology Basics

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Questions and Answers

What is necessary to complete the life cycle of some parasites?

Ectoparasite

Definitive host (correct)

Improved sanitation

Vector control

Which group of parasites includes worms and arthropods?

Simple unicellular protozoa

Complex multicellular parasites (correct)

Facultative parasites

Ectoparasites

What is the role of an intermediate host in the life cycle of some parasites?

Vector control

Ectoparasite

Definitive host

Harbors the asexual form of the parasite (correct)

Which type of prevention strategy involves insecticide impregnated bed nets?

Vector control Signup and view all the answers

Why do entire communities in tropical regions sometimes remain infected with parasites?

Inaccessible or unaffordable treatment options Signup and view all the answers

Which term describes parasites that live inside the host's body?

Endoparasite Signup and view all the answers

What is the definition of parasitism?

Symbiotic relationship where one organism benefits at the expense of another Signup and view all the answers

What term is used for an organism that harbors the parasite and provides nutrition and shelter for it?

Host Signup and view all the answers

In what way do parasites differ from mutualists?

Parasites live at the expense of their hosts Signup and view all the answers

Where can parasites live within their hosts?

In different tissues and organs Signup and view all the answers

What are some consequences of parasitic infections on hosts?

Mortality, morbidity, and production losses Signup and view all the answers

What are some factors contributing to the persistence of parasitic infections despite advances in treatment and control?

Emergence of parasite drug resistance and spread of vector insecticide resistance Signup and view all the answers