Which Factor Suppresses the Immune System for an Extended Period

question 30

Multiple Choice

Which factor suppresses the immune system for an extended period of time?

• A) depression
• B) anxiety
• C) some therapeutic drugs
• D) infection with HIV
• E) all of these

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Definitions:

Executed

indicates that an operation or task has been successfully carried out or implemented to its full extent.

Preexisting Duty Rule

A principle in contract law stating that performing or promising to perform a duty already owed under contract does not constitute valid consideration for a new promise.

Unforeseen Difficulties

Unexpected challenges or obstacles that were not anticipated, making a task or goal harder to achieve.

Preexisting Duty

An obligation that a party is already legally bound to perform, which cannot serve as consideration for a new contract.