Major Groups of Microorganisms: Helminths Introduction

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Which major group of microorganisms includes eucaryotic, multicellular animals with bilateral symmetry and tissue differentiation?

Bacteria

Helminths (correct)

Fungi

Protozoa

What is a characteristic of parasitic helminths?

Highly developed digestive system

Simple reproductive system

Reduced or absent means of locomotion (correct)

Complex nervous system

Which type of helminth has a cylindrical body tapered at each end?

Trematodes

Roundworms (correct)

Flatworms

Nematodes

Which helminth lives in waters contaminated with feces and burrows through the skin of humans to enter the circulatory system?

Blood Fluke (Schistosoma spp.) Signup and view all the answers

What is the main method by which Cestodes or Tapeworms absorb food?

Absorption through the skin Signup and view all the answers

Which part of the tapeworm's body contains both male and female reproductive organs?

Segments called proglottids Signup and view all the answers

What characteristic distinguishes Nematodes (Roundworms) from Cestodes (Tapeworms)?

Covering of tough cuticle Signup and view all the answers

Which human parasite belongs to the Nematode group and is caused by infectious larvae?

Adult Hookworm (Necator americanus) Signup and view all the answers

Which protozoan parasite causes diarrhea and is only manifested in women?

Trichomonas vaginalis Signup and view all the answers

Which protozoan parasite infects the human liver before replicating in red blood cells and causing malaria?

Plasmodium Signup and view all the answers

Which protozoan parasite replicates only in felines (cat family) and causes toxoplasmosis?

Toxoplasma gondii Signup and view all the answers

Which protozoan parasite is the only ciliate that causes human disease by infecting the intestinal tract?

Balantidium coli Signup and view all the answers

Major Groups of Microorganisms: Helminths Introduction

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Questions and Answers

Which major group of microorganisms includes eucaryotic, multicellular animals with bilateral symmetry and tissue differentiation?

What is a characteristic of parasitic helminths?

Which type of helminth has a cylindrical body tapered at each end?

Which helminth lives in waters contaminated with feces and burrows through the skin of humans to enter the circulatory system?

What is the main method by which Cestodes or Tapeworms absorb food?

Which part of the tapeworm's body contains both male and female reproductive organs?

What characteristic distinguishes Nematodes (Roundworms) from Cestodes (Tapeworms)?

Which human parasite belongs to the Nematode group and is caused by infectious larvae?

Which protozoan parasite causes diarrhea and is only manifested in women?

Which protozoan parasite infects the human liver before replicating in red blood cells and causing malaria?

Which protozoan parasite replicates only in felines (cat family) and causes toxoplasmosis?

Which protozoan parasite is the only ciliate that causes human disease by infecting the intestinal tract?

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