The diseases caused by microorganisms like bacteria, fungi , viruses, and parasites are called as the infectious diseases. These diseases can spread from an infected person to a healthy person. In past 35 years, some of the new infectious diseases have become common over the population, causing an increase in death rates over the years, and thus, are referred to as the emerging infectious diseases (EID).

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Answer 1

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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 1, Problem 4MC

Summary Introduction

Introduction:

The diseases caused by microorganisms like bacteria, fungi, viruses, and parasites are called as the infectious diseases. These diseases can spread from an infected person to a healthy person. In past 35 years, some of the new infectious diseases have become common over the population, causing an increase in death rates over the years, and thus, are referred to as the emerging infectious diseases (EID).

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All of the following are thought to contribute to the emergence of disease excepta) advances in technology.b) breakdown of public health infrastructure.c) construction of dams.d) mass distribution and importation of food.e) widespread vaccination programs.

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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 1, Problem 4MC

Summary Introduction

Introduction:

The diseases caused by microorganisms like bacteria, fungi, viruses, and parasites are called as the infectious diseases. These diseases can spread from an infected person to a healthy person. In past 35 years, some of the new infectious diseases have become common over the population, causing an increase in death rates over the years, and thus, are referred to as the emerging infectious diseases (EID).

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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 1, Problem 4MC

Summary Introduction

Introduction:

The diseases caused by microorganisms like bacteria, fungi, viruses, and parasites are called as the infectious diseases. These diseases can spread from an infected person to a healthy person. In past 35 years, some of the new infectious diseases have become common over the population, causing an increase in death rates over the years, and thus, are referred to as the emerging infectious diseases (EID).

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Answer 4

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 1, Problem 4MC

Summary Introduction