Which of the Following Statements About Immunological Disorders Is Correct

question 48

Multiple Choice

Which of the following statements about immunological disorders is correct?

• A)Bottle-fed infants are less likely to develop food allergies than are breast-fed infants.
• B)Primary immunodeficiences include malnutrition and AIDS.
• C)Autoimmune disorders are hypersensitivity reactions against self-antigens.
• D)Secondary immunodeficiences are genetic or developmental defects.

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Definitions:

Defective Enzyme

An enzyme with an abnormal structure that prevents it from performing its biological function correctly.

Allele

A version among two or more possibilities of a gene that emerges through mutation and occupies the same position on a chromosome.

Alternative Gene Variants

Different forms or versions of the same gene, resulting in variability within a population's genetic composition.

Genotype

Genotype refers to the genetic makeup of an organism; it is the set of genes that an organism carries.