Haemophilus bacilli are extremely small species of pathogenic bacteria. For their survival and growth, this species require biological molecules like heme present in blood and also NAD +. Due to this, they are found to be parasitic in animals and humans. The most common example of Haemophilus pathogens is Haemophilus influenzae, which causes a number of respiratory related diseases like flu, sinusitis, bronchitis, and pneumonia. The bacteria in this genus can change their shape in many forms, and they have the presence of a polysaccharide capsule, which prevents them from phagocytosis. The presence of different types of capsule also helps the scientists to distinguish between different strains of this genus. Type B strain, identified by its capsule, causes most of the H. influenzae diseases, including some fatal diseases in children like arthritis and meningitis.

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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 20, Problem 8MC

Summary Introduction

Introduction:

Haemophilus bacilli are extremely small species of pathogenic bacteria. For their survival and growth, this species require biological molecules like heme present in blood and also NAD^+. Due to this, they are found to be parasitic in animals and humans. The most common example of Haemophilus pathogens is Haemophilus influenzae, which causes a number of respiratory related diseases like flu, sinusitis, bronchitis, and pneumonia.

The bacteria in this genus can change their shape in many forms, and they have the presence of a polysaccharide capsule, which prevents them from phagocytosis. The presence of different types of capsule also helps the scientists to distinguish between different strains of this genus. Type B strain, identified by its capsule, causes most of the H. influenzae diseases, including some fatal diseases in children like arthritis and meningitis.

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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 20, Problem 8MC

Summary Introduction

Introduction:

Haemophilus bacilli are extremely small species of pathogenic bacteria. For their survival and growth, this species require biological molecules like heme present in blood and also NAD^+. Due to this, they are found to be parasitic in animals and humans. The most common example of Haemophilus pathogens is Haemophilus influenzae, which causes a number of respiratory related diseases like flu, sinusitis, bronchitis, and pneumonia.

The bacteria in this genus can change their shape in many forms, and they have the presence of a polysaccharide capsule, which prevents them from phagocytosis. The presence of different types of capsule also helps the scientists to distinguish between different strains of this genus. Type B strain, identified by its capsule, causes most of the H. influenzae diseases, including some fatal diseases in children like arthritis and meningitis.

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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 20, Problem 8MC

Summary Introduction

Introduction:

Haemophilus bacilli are extremely small species of pathogenic bacteria. For their survival and growth, this species require biological molecules like heme present in blood and also NAD^+. Due to this, they are found to be parasitic in animals and humans. The most common example of Haemophilus pathogens is Haemophilus influenzae, which causes a number of respiratory related diseases like flu, sinusitis, bronchitis, and pneumonia.

The bacteria in this genus can change their shape in many forms, and they have the presence of a polysaccharide capsule, which prevents them from phagocytosis. The presence of different types of capsule also helps the scientists to distinguish between different strains of this genus. Type B strain, identified by its capsule, causes most of the H. influenzae diseases, including some fatal diseases in children like arthritis and meningitis.

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Check out a sample textbook solution

See solution

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 20, Problem 8MC

Summary Introduction