Which of the following statements is true? A. Hypersensitivity requires previous exposure to an antigen B. Hypersensitivity is due to the presence of a virus. C. Hypersensitivity occurs in the absence of an antigen. D. Hypersensitivity is synonymous with the term " infection". E. Hypersensitivity occurs when an individual is exposed to an allergen for the first time.
Which of the following statements is true? A. Hypersensitivity requires previous exposure to an antigen B. Hypersensitivity is due to the presence of a virus. C. Hypersensitivity occurs in the absence of an antigen. D. Hypersensitivity is synonymous with the term " infection". E. Hypersensitivity occurs when an individual is exposed to an allergen for the first time.
Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter17: The Immune System And Disease
Section: Chapter Questions
Problem 13RQ: Allergy to pollen is classified as _______. a. an autoimmune reaction b. immunodeficiency c. delayed...
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Which of the following statements is true?
A. Hypersensitivity requires previous exposure to an antigen
B. Hypersensitivity is due to the presence of a virus.
C. Hypersensitivity occurs in the absence of an antigen.
D. Hypersensitivity is synonymous with the term " infection".
E. Hypersensitivity occurs when an individual is exposed to an allergen for the first time.
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