Critics Say Xenografts Had Been Tried Before and Failed

question 2

Multiple Choice

Critics say xenografts had been tried before and failed. Surgeon Leonard Bailey replied that his operation was potentially therapeutic because:

• A) primate hearts had never been tried before.
• B) refinements in classifying antigens made better matches possible.
• C) the Norwood operation had never been tried before.
• D) neonatal intensive care units (NICU's) had been developed since the last time the operation had been tried.
• E) Miniature respirators and pediatric monitors had been recently developed and offered Baby Fae a new advantage.

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Definitions:

Efficiency

The extent to which resources are utilized optimally to achieve desired outcomes with minimum waste or effort.

Second Best

A concept in economics that suggests if all optimal conditions cannot be satisfied, the second-best option should be pursued.

Distortionary Tax

Taxes that cause people to alter their behavior in a way that distorts the allocation of resources from their most efficient uses.

Economic Choices

Decisions made by individuals, households, or firms regarding the allocation of scarce resources to satisfy needs and wants.