Which of the Following Statements About Type I Reactions Is

question 2

Multiple Choice

Which of the following statements about type I reactions is FALSE?

• A) The symptoms are due to histamine.
• B) They involve IgE antibodies.
• C) Antibodies bind to mast cells and basophils.
• D) They involve helper T cells.
• E) The symptoms occur soon after exposure to an antigen.

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Definitions:

Artificial Ponds

Man-made bodies of water created for various purposes such as irrigation, aesthetic enjoyment, or wildlife habitat support.

Harris Lines

Radiological indicators of physiological stress in humans, visible as horizontal lines on bone X-rays, often associated with malnutrition or disease.

Bones

The rigid connective organs that make up the skeleton of vertebrates, providing structure and protection.

Teeth

Hard, calcified structures in the mouths of many animals, including humans, used for biting and chewing food.