Which of the Following Statements Are True of Foreign Antigens

question 98

Multiple Choice

Which of the following statements are true of foreign antigens and immunity? (Read carefully and select all of the correct statements.)

• A)An antigen will be recognized as foreign if it is different from our self antigens.
• B)Bacteria and viruses are foreign antigens, but a person's own cancer cells are not considered foreign.
• C)Innate immunity does not have memory for foreign antigens, but adaptive immunity does have memory.
• D)Innate immunity stimulates antibody production only against viruses.
• E)Adaptive immunity becomes more efficient with repeated exposures to an antigen, but innate immunity does not.
• F)The responses of innate immunity are always the same, but the adaptive immune response has a different antibody for each pathogen.

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Definitions:

Tax Per Unit

A fixed amount of tax imposed on a product or service, regardless of its price.

Excise Tax

A tax applied to specific goods, services, or transactions, usually with the intent of discouraging their use or generating revenue.

Tax Per Unit

A specific tax levied on a product based on the number of units purchased, not the value of the purchase.

Efficiency Loss

The loss of economic efficiency that can occur when equilibrium for a good or a service is not achieved or is not achievable.