A Small Amount of Antigen Is Injected Under the Skin

question 33

Multiple Choice

A small amount of antigen is injected under the skin of a patient. After 30 minutes there is no apparent change at the injection site, but 36 hours later the patient reports that the area is red and swollen. This type of response is due to

• A) type I hypersensitivity.
• B) type II hypersensitivity.
• C) type III hypersensitivity.
• D) type IV hypersensitivity.
• E) immunodeficiency.

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Definitions:

Whistle-Blowers

Employees or individuals who expose illegal, unethical, or improper conduct within organizations, often facing significant personal and professional risks.

Intrinsic Rewards

Satisfaction or enjoyment derived from engaging in an activity itself, rather than from external benefits or reinforcements.

Extrinsic Rewards

Benefits or incentives provided by external factors, such as money, grades, or praise, which motivate individuals to perform certain actions.

Negative Mood

A state of feeling bad emotionally, such as being angry, sad, anxious, or irritable.