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10 Questions

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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?

Injectable adrenaline (epinephrine) Signup and view all the answers

What is a common treatment for allergies?

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

What are the nitrogenous bases of DNA?

Cytosine, guanine, adenine, thymine Signup and view all the answers

What are the components of a nucleotide in DNA?

Nucleobase, deoxyribose, phosphate group Signup and view all the answers

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

Covalent bonds Signup and view all the answers

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

Double helix Signup and view all the answers

Which nitrogenous bases form complementary pairs in DNA?

Adenine with thymine, cytosine with guanine Signup and view all the answers