Answer to Question 1
C
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Contact dermatitis is an example of a delayed or type IV hypersensitivity response. It is a reaction to skin contact with an allergen. The allergen causing the irritation is often suggested by the part of the child's body that is affected. The sunscreen caused the contact dermatitis in the patient. Autoimmunity is the result of the immune system to distinguish self from nonself, causing the immune system to carry out immune responses against normal cells and tissue rather than invading antigens. Individuals with atopic dermatitis are prone to all types of allergic responses. Three disorders occur most frequently: hay fever, eczema, and asthma. Delayed hypersensitivity occurs without an accompanying humoral response. This response causes transplant rejection.
Answer to Question 2
D
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Self-concept and self-esteem are tied to body image many times. Adolescents who perceive their body as being different than peers or as less than ideal may view themselves negatively. Sexual characteristics are important to the adolescent's self-concept and body image. Authority figures, spirituality, and morals and values play a role in development of self-esteem, but body image is most influential in the development of self-concept/self-esteem.
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