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Ch. 14+15 - Principles of Disease and Epidemiology | Microbial Mechanisms of Pathogenicity
Chapter 11, Problem 12.1a

Following is a list of fungi, their methods of entry into the body, and sites of infections they cause. Categorize each type of mycosis as cutaneous, opportunistic, subcutaneous, superficial, or systemic.
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1
Identify the fungi listed and their corresponding methods of entry into the body.
Determine the site of infection for each fungus based on the information provided.
Understand the definitions of each type of mycosis: cutaneous, opportunistic, subcutaneous, superficial, and systemic.
Match each fungus to the appropriate category of mycosis based on its method of entry and site of infection.
Review the characteristics of each mycosis type to ensure accurate categorization.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Types of Mycosis

Mycosis refers to fungal infections that can be categorized based on their location and the host's immune status. The main types include cutaneous (affecting the skin), opportunistic (affecting immunocompromised individuals), subcutaneous (involving deeper layers of skin), superficial (affecting the outermost skin layers), and systemic (affecting internal organs). Understanding these categories is essential for diagnosing and treating fungal infections.
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Fungal Entry Methods

Fungi can enter the body through various routes, including inhalation, direct contact with contaminated surfaces, or through breaks in the skin. The method of entry often influences the type of mycosis that develops. For example, inhalation can lead to systemic infections, while direct contact may result in cutaneous or superficial infections.
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Immune Response to Fungal Infections

The immune system plays a crucial role in combating fungal infections. A healthy immune response can prevent the establishment of mycosis, while immunocompromised individuals are at higher risk for opportunistic infections. Understanding the immune mechanisms involved helps in recognizing why certain fungi cause disease in specific populations and informs treatment strategies.
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