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Allergens and Hypersensitivity

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Questions and Answers

What is the primary cause of allergies according to the passage?

The hygiene hypothesis

Genetic predisposition (correct)

Development at any stage of life

Exposure to certain lifestyle factors

According to the passage, what role do environmental factors play in the development of allergies?

They only affect individuals living in urban areas

They can trigger an allergic reaction in susceptible individuals (correct)

They are the primary cause of allergies

They have no impact on the development of allergies

What does the hygiene hypothesis propose regarding the development of allergies?

Reduced exposure to germs and certain bacteria in early childhood may increase the risk of developing allergies (correct)

Hygiene has no impact on the risk of developing allergies

Increased exposure to germs and bacteria in early childhood may increase the risk of developing allergies

Allergies are solely genetic and not influenced by hygiene

According to the passage, what can living in an urban area with high pollution levels or being exposed to secondhand smoke do?

Increase the risk of developing allergies Signup and view all the answers

What is important for reducing the risk of developing allergies according to the passage?

Striking a balance between cleanliness and exposure to germs Signup and view all the answers

What is the potential life-threatening allergic reaction that can cause difficulty breathing, a drop in blood pressure, and loss of consciousness?

Anaphylaxis Signup and view all the answers

What are raised, red, itchy bumps on the skin that can vary in size and shape, triggered by various allergens including certain foods, medications, or insect bites?

Hives Signup and view all the answers

Which allergy symptom is characterized by watery, itchy eyes and can be a result of exposure to allergens like pollen or pet dander?

Allergic conjunctivitis Signup and view all the answers

Which type of allergy testing can be done through skin tests or blood tests to identify specific allergens that trigger a reaction?

Allergy testing Signup and view all the answers

What are common symptoms of allergies that include sneezing, itching, runny nose, watery eyes, coughing, and wheezing?

Sneezing, itching, runny nose, watery eyes, coughing, wheezing Signup and view all the answers

In autoimmune diseases, chronic inflammation can lead to which of the following symptoms?

Pain, swelling, and redness in the affected areas Signup and view all the answers

How many different types of autoimmune diseases are mentioned in the passage?

Over 80 Signup and view all the answers

What is the primary cause of autoimmune diseases according to the passage?

Genetic mutations Signup and view all the answers