20 Questions
Which type of parasite is characterized by having 2 or more cells and being larger in size?
Helminths
What are the three main types of helminths?
Nematodes, Cestodes, Trematodes
Which type of protozoa causes malaria?
Plasmodium spp.
What are the defining clinical features of malaria?
Shaking chills, fever, and generalized diaphoresis
Which species of Plasmodium causes malaria in tropical areas worldwide?
P. falcifarum
Which type of parasite is characterized by living on the surface of the skin?
Filaria
Which species of Plasmodium causes malaria in both tropical and temperate zones worldwide?
P. vivax
What is the meaning of the term 'mal' aria'?
Bad air
Which diagnostic method has the highest yield for detecting malaria?
Thick smears with Giemsa stain
Which type of helminth is characterized by being multicellular and having 2 or more cells?
Nematodes
Which type of parasite causes acute and sometimes chronic infection of the bloodstream characterized by fever, anemia, and splenomegaly?
Blood & tissue protozoans
What is the term used to describe the presence of organisms in a thick smear during the diagnosis of malaria?
Giemsa stain
Which species of Plasmodium is a malarial parasite of the Old World monkeys?
P. knowlesi
What is the term used to describe the presence of organisms in a thin smear during the diagnosis of malaria?
Giemsa stain
Which type of protozoa is characterized by being unicellular and having flagella?
Unicellular Flagellates
Which type of parasite causes malaria in both tropical and temperate zones worldwide?
Protozoa
Which type of parasite is characterized by having 2 or more cells and being larger in size?
Helminths
Which diagnostic method has the highest yield for detecting malaria?
Thick and thin smears with Giemsa stain
Which species of Plasmodium causes malaria in tropical areas worldwide?
P. falcifarum
Which type of parasite is characterized by living on the surface of the skin?
Ectoparasites
Study Notes
Parasites
- Multicellular parasites, having 2 or more cells, are larger in size and are characterized as helminths.
- Helminths have three main types: cestodes, trematodes, and nematodes.
Malaria
- Malaria is caused by the protozoa Plasmodium.
- The defining clinical features of malaria are fever, anemia, and splenomegaly.
- Plasmodium falciparum is the species that causes malaria in tropical areas worldwide.
- Plasmodium vivax is the species that causes malaria in both tropical and temperate zones worldwide.
Ectoparasites
- Ectoparasites live on the surface of the skin.
Diagnostic Methods
- The term 'mal' aria means bad air, which was believed to be the cause of malaria in the past.
- The highest yield diagnostic method for detecting malaria is the thick smear.
- The term used to describe the presence of organisms in a thick smear is 'parasitemia'.
- The term used to describe the presence of organisms in a thin smear is 'film'.
Protozoa
- Protozoa characterized by being unicellular and having flagella are known as flagellates.
Plasmodium Species
- Plasmodium knowlesi is a malarial parasite of the Old World monkeys.
Test your knowledge of parasitology with this quiz by Lloyd Karl L. Dizon, RMT. Learn about different types of parasites including protozoa, helminths, and ectoparasites. Explore blood and tissue protozoans such as Plasmodium spp. and their associated infections. Challenge yourself and expand your understanding of parasitology.
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