PKU (Phenylketonuria)is a Hereditary Condition in Which Infants and Young

question 46

Multiple Choice

PKU (phenylketonuria) is a hereditary condition in which infants and young children who ingest the amino acid phenylalanine risk serious neurological damage. However, the risk of damage can be substantially reduced by the severe restriction of phenylalanine in the diet. Which of the following is the nutritional concept that forms the basis for this preventive treatment?

• A) enzymatic hydrolysis
• B) essential nutrients
• C) symbiosis
• D) dehydration synthesis
• E) structural anatomy of the brain

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Definitions:

Externality

The uncompensated impact of one person’s actions on the well-being of a bystander

Total Cost

The sum of all expenses incurred in the production of goods or services, including both fixed and variable costs.

Organic

Pertaining to or derived from living organisms; in agriculture, involving food produced without the use of synthetic pesticides or fertilizers.

Deadweight Loss

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