Immune Response to Yellow Jacket Stings Quiz
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Questions and Answers

What caused the severe allergic reaction in the 6-year-old boy during the second sting?

  • The sensitization that occurred the first time he was stung (correct)
  • The absence of IgE levels in his umbilical cord blood
  • The lack of recognition by T and B cells of the venom antigen
  • The small drop of antigen used for allergy testing

    • Which diagnostic study can predict allergic disease in infants based on IgE levels?

  • Testing for eosinophil levels in the blood
  • Measuring mast cell activity
  • Analyzing serum IgE levels over 20 IU/ml (correct)
  • Evaluating histamine response on skin tests

    • What is a common symptom of exercise-induced anaphylaxis?

  • Joint pain
  • Hypertension
  • Muscle weakness
  • Flushing (correct)

    • How are allergic reactions typically measured during skin testing?

    <p>Using the size of the wheal and flare</p> Signup and view all the answers

    What is the most sensitive and cost-effective way to screen for allergies?

    <p>Skin testing with biological extracts of aeroallergens</p> Signup and view all the answers

    What indicates that a newborn will develop allergic disease?

    <p>Presence of IgE levels over 1.0 IU in cord blood</p> Signup and view all the answers

    What type of tissue reactions involve specifically sensitized T lymphocytes and do not involve antibodies?

    <p>Type IV allergies</p> Signup and view all the answers

    Which of the following is an example of Type IV (cell-mediated tissue reactions)?

    <p>Graft rejection</p> Signup and view all the answers

    What autoimmune disease is characterized by a butterfly rash across the nose?

    <p>Systemic Lupus Erythematosus (SLE)</p> Signup and view all the answers

    Which autoimmune disease results in debilitating damage to joints and possibly other organs like lungs, eyes, and skin?

    <p>Rheumatoid arthritis</p> Signup and view all the answers

    In autoimmune diseases like Graves disease, where do autoantibodies attach?

    <p>Receptors on thyroxin-secreting follicle cells of the thyroid</p> Signup and view all the answers

    What diagnostic test for tuberculosis involves a Type IV reaction?

    <p>Tuberculin test</p> Signup and view all the answers

    What is the main difference between Systemic and Cutaneous allergies?

    <p>Systemic allergies require repeated exposure to allergen to sensitize the patient, while Cutaneous allergies do not.</p> Signup and view all the answers

    Which type of reaction is most common in insulin allergy?

    <p>Local reactions</p> Signup and view all the answers

    Which type of antibodies play a key role in Type I allergies?

    <p>IgE</p> Signup and view all the answers

    What are some clinical manifestations of mastocytosis?

    <p>Flushing, pruritus, and abdominal pain</p> Signup and view all the answers

    What do clinical manifestations of Type I allergies primarily result from?

    <p>Effects of histamine</p> Signup and view all the answers

    What is a significant cause of anaphylaxis due to increased glove use?

    <p>Latex allergy</p> Signup and view all the answers

    Which statement about Type II allergies is correct?

    <p>They are caused by antigen-antibody complexes formed in the bloodstream.</p> Signup and view all the answers

    Which group of people is most likely to develop anaphylaxis due to latex allergy?

    <p>Health care workers, patients with spina bifida, and people with a history of latex allergy</p> Signup and view all the answers

    Why do antihistamines help alleviate symptoms in Type I allergies?

    <p>By blocking the effects of histamine</p> Signup and view all the answers

    Which allergies are patients with latex allergies often allergic to, according to the text?

    <p>Avocados and bananas</p> Signup and view all the answers

    What distinguishes Type III allergies from Type II allergies?

    <p>Type III allergies result from immune-complex-mediated reactions.</p> Signup and view all the answers

    How are systemic reactions different from local reactions in allergies?

    <p>Systemic reactions involve widespread symptoms beyond the site of contact</p> Signup and view all the answers

    What is the first step in the process of becoming allergic to a substance?

    <p>Sensitization with the production of IgE antibodies</p> Signup and view all the answers

    Which part of the body is particularly susceptible to allergic inflammatory disorders due to a lack of mechanical barrier?

    <p>Eyes</p> Signup and view all the answers

    What is the effect of cold application in first aid measures for inflammation?

    <p>Reduces pain and edema</p> Signup and view all the answers

    Which factor promotes healing according to the text?

    <p>Good circulation</p> Signup and view all the answers

    What is the primary mechanism by which a person becomes aware of their allergy?

    <p>Exposure to the allergen</p> Signup and view all the answers

    In allergic diseases, what do memory B cells do upon re-exposure to an allergen?

    <p>Produce more IgE antibodies specific to that allergen</p> Signup and view all the answers

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