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Discover Allergy Symptoms
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Discover Allergy Symptoms

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Questions and Answers

What is the underlying mechanism of allergies?

  • Blocking of mast cells and basophils by allergens
  • Overproduction of histamine in response to allergens
  • Binding of immunoglobulin E antibodies to allergens and triggering the release of inflammatory chemicals (correct)
  • Direct attack of allergens on the immune system

    • What are common symptoms of allergies?

  • Fever, joint pain, muscle ache
  • Nausea, vomiting, abdominal pain
  • Red eyes, sneezing, shortness of breath (correct)
  • Headache, dizziness, fatigue

    • How are allergies diagnosed?

  • By monitoring allergen levels in the environment
  • Based on a person's medical history and further testing of the skin or blood (correct)
  • Through genetic testing
  • By observing the physical symptoms

    • What is the recommended treatment for severe allergic reactions?

    <p>Injectable adrenaline (epinephrine)</p> Signup and view all the answers

    What is a common treatment for allergies?

    <p>Avoidance of known allergens and use of medications such as steroids and antihistamines</p> Signup and view all the answers

    What are the nitrogenous bases of DNA?

    <p>Cytosine, guanine, adenine, thymine</p> Signup and view all the answers

    What are the components of a nucleotide in DNA?

    <p>Nucleobase, deoxyribose, phosphate group</p> Signup and view all the answers

    What type of bond holds the nucleotides together in a DNA strand?

    <p>Covalent bonds</p> Signup and view all the answers

    What is the structure formed by two polynucleotide chains in DNA?

    <p>Double helix</p> Signup and view all the answers

    Which nitrogenous bases form complementary pairs in DNA?

    <p>Adenine with thymine, cytosine with guanine</p> Signup and view all the answers

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