Introduction Small parasitic flatworms like Platyhelminthes are invertebrates without circulatory and respiratory system. It can survive in water and humid terrestrial environment. Parasitic life cycle is complex which grows in live stocks and cause severe infections in the host bodies.

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 12, Problem 2MCQ

Summary Introduction

Introduction

Small parasitic flatworms like Platyhelminthes are invertebrates without circulatory and respiratory system. It can survive in water and humid terrestrial environment. Parasitic life cycle is complex which grows in live stocks and cause severe infections in the host bodies.

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Toxoplasmosis is a parasite that can cause miscarriage, stillbirth, or congenital malformations. How may a pregnant woman come into contact with it? Select one: O a. Contact with cat faeces O b. Eating undercooked chicken O c. Eating cow's liver O d. Contact with dog faeces What does the word primigravida mean? Select one: O a. A woman who has one child? O b. A woman who is pregnant for the first time? O c. A woman who has had more than one pregnancy? O d. A woman who has no children?

Toxoplasma gondii: a. Have both sexual & asexual phases in its life cycle. b. Releases oocysts by gametogony in intestinal epithelium of dog. c. Oocyst is disporocystic tetrazoic. d. Unsporulated oocyst is an infective stage.

Which form(s) of a cestode can be ingested by a human that eats infected pork or beef that is undercooked? A. Proglottid B. Cysticercus C. Mature worm D. None among the other choices E. Larva F. Any of the forms G. Egg

Answer 2

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 12, Problem 2MCQ

Summary Introduction

Introduction

Small parasitic flatworms like Platyhelminthes are invertebrates without circulatory and respiratory system. It can survive in water and humid terrestrial environment. Parasitic life cycle is complex which grows in live stocks and cause severe infections in the host bodies.

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Answer 3

Question

Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 12, Problem 2MCQ

Summary Introduction

Introduction

Small parasitic flatworms like Platyhelminthes are invertebrates without circulatory and respiratory system. It can survive in water and humid terrestrial environment. Parasitic life cycle is complex which grows in live stocks and cause severe infections in the host bodies.

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Answer 4

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 12, Problem 2MCQ

Summary Introduction

Introduction

Small parasitic flatworms like Platyhelminthes are invertebrates without circulatory and respiratory system. It can survive in water and humid terrestrial environment. Parasitic life cycle is complex which grows in live stocks and cause severe infections in the host bodies.

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Answer 5

Chapter 12, Problem 2MCQ

Summary Introduction

Introduction

Small parasitic flatworms like Platyhelminthes are invertebrates without circulatory and respiratory system. It can survive in water and humid terrestrial environment. Parasitic life cycle is complex which grows in live stocks and cause severe infections in the host bodies.

Answer 6

Chapter 12, Problem 2MCQ

Summary Introduction

Introduction

Small parasitic flatworms like Platyhelminthes are invertebrates without circulatory and respiratory system. It can survive in water and humid terrestrial environment. Parasitic life cycle is complex which grows in live stocks and cause severe infections in the host bodies.

Answer 7

Chapter 12, Problem 2MCQ

Summary Introduction

Introduction

Small parasitic flatworms like Platyhelminthes are invertebrates without circulatory and respiratory system. It can survive in water and humid terrestrial environment. Parasitic life cycle is complex which grows in live stocks and cause severe infections in the host bodies.

Answer 8

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Answer 11

Ch. 12 - Prob. 1R Ch. 12 - A mixed culture of Escherichia coli and...Ch. 12 - Prob. 3R Ch. 12 - Prob. 4R Ch. 12 - Differentiate cellular and plasmodial slime molds....Ch. 12 - Prob. 6R Ch. 12 - Prob. 7R Ch. 12 - Prob. 8R Ch. 12 - Prob. 9R Ch. 12 - DRAW IT A generalized life cycle of the liver...

Introduction Small parasitic flatworms like Platyhelminthes are invertebrates without circulatory and respiratory system. It can survive in water and humid terrestrial environment. Parasitic life cycle is complex which grows in live stocks and cause severe infections in the host bodies.

Solution Summary: The author explains that the correct order of egg cell cycle developmental stages is miracidium, redia, cercaria, metacercaria and adult.

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Introduction

Small parasitic flatworms like Platyhelminthes are invertebrates without circulatory and respiratory system. It can survive in water and humid terrestrial environment. Parasitic life cycle is complex which grows in live stocks and cause severe infections in the host bodies.

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