Why Is Type O Rh-Negative the "Universal Donor

question 13

Multiple Choice

Why is type O Rh-negative the "universal donor"?

• A) No surface markers are present on the O Rh-negative blood cells to react with the recipient's immune system.
• B) Three surface markers are present on the donor blood cells (A,B,and O)that are recognized as compatible in all recipients.
• C) Three surface markers are present on the donor blood cells (A,B,and O),which block immune reactions in the recipient.
• D) The O and Rh surface markers on the donor red blood cells block immune reactions in the recipient.
• E) More people have type O blood than any other blood type.

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Definitions:

Diminishing Marginal Utility

The principle that as a consumer increases consumption of a good or service, the incremental satisfaction gained from consuming each additional unit decreases.

Purchasing Decisions

Purchasing decisions involve the process by which consumers or organizations make choices about which products or services to buy, influenced by factors such as price, quality, and personal preferences.

Marginal Utility

The boost in happiness or utility a consumer gets from buying one more unit of a product or service.

Utility Maximization

The economic principle that individuals seek to obtain the highest level of satisfaction or utility from their consumption choices, given their preferences and constraints.