Biology Practice: Allergy (Mock Test 4 - Expert Challenge)
1. Case Study: A patient develops an itchy, red rash on their wrist 24 hours after wearing a new nickel-plated watch. This is an example of:
2. What is the correct physiological sequence during a secondary exposure to an allergen?
3. Why is "Anaphylaxis" considered a systemic emergency compared to "Hay Fever"?
4. A person allergic to Birch pollen experiences an itchy throat after eating a raw apple. This phenomenon is known as:
5. Histamine causes "Vasodilation." What is the visible result of this on the skin?
6. If a RAST (Radioallergosorbent test) shows a high concentration of specific IgE for "Dander," the patient is likely:
7. Why does an "Epinephrine" injection (EpiPen) work so quickly during an allergy emergency?
8. "Baker's Asthma" is a clinical term for an allergy caused by constant inhalation of:
9. In the "Elimination Diet" diagnostic method, if symptoms disappear after removing milk but return when milk is re-introduced, the result is:
10. Which plant is a notorious source of airborne pollen allergens in India, often called "Congress Grass"?
11. Why is the "First Exposure" to an allergen usually asymptomatic (no symptoms)?
12. Identify the condition: "Chronic inflammation of the lungs leading to reversible narrowing of airways, characterized by wheezing."
13. Which of the following is classified as an "Injectant" allergen?
14. Cold Urticaria is a rare condition where ________ acts as a physical allergen.
15. The "Lock and Key" mechanism in allergy refers to the specific binding of:
16. Differentiate: "Hives" are usually ________, while "Eczema" is often ________.
17. In a Skin Prick Test, a "Wheal" of 5mm or larger usually indicates:
18. Which season-allergen pairing is most accurate for a patient with "Hay Fever"?
19. Histamine causes the "Runny Nose" symptom by increasing the ________ of nasal capillaries.
20. Immunotherapy (Allergy shots) works by switching the immune response from producing ________ to producing ________.
