Immune Response to Yellow Jacket Stings Quiz

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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?

Using the size of the wheal and flare Signup and view all the answers

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

Skin testing with biological extracts of aeroallergens Signup and view all the answers

What indicates that a newborn will develop allergic disease?

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

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

Type IV allergies Signup and view all the answers

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

Graft rejection Signup and view all the answers

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

Systemic Lupus Erythematosus (SLE) Signup and view all the answers

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

Rheumatoid arthritis Signup and view all the answers

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

Receptors on thyroxin-secreting follicle cells of the thyroid Signup and view all the answers

What diagnostic test for tuberculosis involves a Type IV reaction?

Tuberculin test Signup and view all the answers

What is the main difference between Systemic and Cutaneous allergies?

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

Which type of reaction is most common in insulin allergy?

Local reactions Signup and view all the answers

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

IgE Signup and view all the answers

What are some clinical manifestations of mastocytosis?

Flushing, pruritus, and abdominal pain Signup and view all the answers

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

Effects of histamine Signup and view all the answers

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

Latex allergy Signup and view all the answers

Which statement about Type II allergies is correct?

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

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

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

Why do antihistamines help alleviate symptoms in Type I allergies?

By blocking the effects of histamine Signup and view all the answers

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

Avocados and bananas Signup and view all the answers

What distinguishes Type III allergies from Type II allergies?

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

How are systemic reactions different from local reactions in allergies?

Systemic reactions involve widespread symptoms beyond the site of contact Signup and view all the answers

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

Sensitization with the production of IgE antibodies 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?

Eyes Signup and view all the answers

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

Reduces pain and edema Signup and view all the answers

Which factor promotes healing according to the text?

Good circulation Signup and view all the answers

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

Exposure to the allergen Signup and view all the answers

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

Produce more IgE antibodies specific to that allergen Signup and view all the answers