Diet-Affected Genetic Metabolic Disorders


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question 1 of 3

A person with PKU is missing this enzyme.

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1. This amino acid cannot be broken down in a person suffering from PKU.

2. A person with Phenylketonuria would want to avoid diet soda because it might contain this ingredient.

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About This Quiz & Worksheet

Metabolic disorders are inherited genetic diseases that alter the body's ability to break down certain substances. This assessment and worksheet will increase your understanding of two specific metabolic disorders. The questions will quiz you on how much you know about Phenylketonuria (PKU) and Maple Syrup Urine Disease (MSUD).

Quiz & Worksheet Goals

In this quiz, you will be tested on the following substances involved with PKU and MSUD:

  • Amino acids
  • Enzymes
  • Ingredients in food and beverages

Skills Practiced

  • Making connections - use understanding of the concept of metabolic disorders to recognize the only way people inherit recessive genetic diseases
  • Critical thinking - apply relevant concepts to examine information about metabolic disorders in a different light
  • Define key concepts - ensure that you can accurately define main phrases, such as Phenylketonuria (PKU) and Maple Syrup Urine Disease (MSUD).
  • Knowledge application - use your knowledge to answer questions about the dietary requirements of people with PKU and MSUD

Additional Information

To discover more about genetic metabolic disorders, review the accompanying lesson entitled Diet-Affected Genetic Metabolic Disorders. This lesson covers the following objectives:

  • Define metabolic disorders and find examples
  • Understand that some metabolic disorders are the result of inherited recessive genetic diseases
  • Define PKU and identify the missing enzyme
  • Know the amino acids that people with MSUD cannot break down
  • Understand the symptoms and damage that can be caused by PKU and MSUD