Introduction/definitions Flashcards
What are the 6 commonly asked questions about parasites by clients?
What is it?? How do you know the animal has it? Where did it come from? How did my animal get it? What harm does it cause? How do you get rid of it? Will it infect people?
What does it mean for a parasite to be host specific?
The parasite can completely develop in only one host
What does it mean for a parasite to have a broad host spectrum?
The parasite can develop in serval different hosts
What features can be used to identify multicellular parasites??
Size Shape Colour Location of parasite on host Species
Infection refers to what kind of parasite?
Endoparasite
Infestation refers to what kind of parasite?
Ectoparasite
Attach to the host
What is a predilection site?
Preferred site in host
Characteristic for that parasite species
What is an aberrant site?
Site in or on a host which is not an normal location for a parasite
What is a lesion?
Differences found in tissues (abnormal)
What is the host response to a parasite dependent on?
Previous exposure Inflammatory/immune response Compensatory physiological mechanisms Nutritional status Age
What is a self-limiting infection?
Host is infected and develops immunity. The parasite is eliminated and the host is protected against subsequent infection
What are important stages for diagnosis of heminths??
Presence of adults, developing stages, eggs, or larvae in feces, blood, or urine
What are the diagnostic methods for ectoparasites?
Collection and identification on the parasite (infestation)
What are the diagnostic methods for protozoa?
Examination of fecal samples, blood, skin, muscle, and other tissues
