Which of the Items Below Accurately Describe Characteristics of Type

question 66

Multiple Choice

Which of the items below accurately describe characteristics of Type 4 hypersensitivity reactions.Check all that apply.

• A)Reactions occur within minutes of antigen exposure (provocative dose).
• B)Reactions are generated by components of the cell-mediated immune response.
• C)IgE, basophils, and mast cells are typically involved.
• D)Histamine is a major mediator of symptoms.
• E)Reactions are delayed for 24- 48 hours after provocative antigen exposure.
• F)The tuberculin skin test and the rash caused by poison ivy and poison oak are examples.

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Definitions:

Confucius

An influential Chinese philosopher and social thinker, living in the 5th century BCE, whose teachings focus on ethics, morality, and social relationships.

Bi Disk

A circular Chinese jade artifact, used in rituals and ceremonies, dating back to the Neolithic period.

Jade

A hard, typically green stone often used in jewelry and decorative arts, especially significant in East Asian and Mesoamerican cultures.

Princess Yongtai

A Tang Dynasty princess known for her tragic early death, her tomb is celebrated for its beautifully preserved mural paintings.