One Reason for a Large Increase in the Number of Children

question 107

Multiple Choice

One reason for a large increase in the number of children diagnosed with autism may be:

• A) the criteria for diagnosing autism has changed, making more children qualify as autistic
• B) there is an "epidemic" in that more children are developing autism
• C) more children have better heath care and are getting vaccinations
• D) there has been no increase in the number of children diagnosed with autism

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Definitions:

Innate Immunity

The first line of defense in the immune system, consisting of physical, chemical, and cellular defenses against pathogens.

Immune Response

The body's defensive reaction to eliminate pathogens or foreign substances.

Natural Killer Cells

Natural Killer Cells are a type of lymphocyte in the immune system that can recognize and destroy cancerous or virus-infected cells without prior sensitization.

Lymphatic Vessels

Part of the lymphatic system, these vessels carry lymph fluid throughout the body, aiding in the removal of toxins and waste.