Marfan Syndrome: Genetic Disorder Quiz
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Questions and Answers

What is the main cause of Marfan syndrome?

  • Weakened muscles and organs
  • Developmental problems in connective tissue
  • Overgrowth of bones
  • Changes in the amount of fibrillin-1 and cell function due to a gene mutation (correct)
  • Which part of the body can Marfan syndrome affect?

  • Respiratory system and endocrine system
  • Digestive system, kidneys, and nervous system
  • Eyes, heart, blood vessels, skin, and lungs (correct)
  • Skeletal system and reproductive system
  • What role does fibrillin-1 protein play in the body?

  • Regulates hormone production
  • Controls bone density and strength
  • Helps make elastic fibers in connective tissue and affects the function of transforming growth factor-beta (TGF-beta) (correct)
  • Supports muscle and tissue development
  • What is the primary impact of Marfan syndrome on tissues throughout the body?

    <p>Changes in strength and performance, including blood vessels, heart, ligaments, tendons, and skin</p> Signup and view all the answers

    What is the specific effect of the gene mutation associated with Marfan syndrome?

    <p>Changes in the amount of fibrillin-1 and its impact on cell function</p> Signup and view all the answers

    What is the cause of Marfan syndrome?

    <p>Inheritance of one abnormal and one normal copy of the FBN1 gene</p> Signup and view all the answers

    Which symptom is common in individuals with Marfan syndrome?

    <p>Low back pain and numbness in the legs</p> Signup and view all the answers

    What is a common cardiovascular problem associated with Marfan syndrome?

    <p>Aortic aneurysm</p> Signup and view all the answers

    Which complication is commonly associated with Marfan syndrome?

    <p>Lens dislocation</p> Signup and view all the answers

    What type of pain is commonly experienced by individuals with Marfan syndrome?

    <p>Headaches</p> Signup and view all the answers

    Study Notes

    Marfan Syndrome Overview

    • Marfan syndrome is primarily caused by a mutation in the gene that codes for fibrillin-1 protein.

    Effects on the Body

    • Marfan syndrome can affect various parts of the body, including the heart, blood vessels, eyes, skeleton, and nervous system.

    Fibrillin-1 Protein Role

    • Fibrillin-1 protein plays a crucial role in the formation of elastic fibers that provide strength and elasticity to connective tissue.

    Impact on Tissues

    • The primary impact of Marfan syndrome on tissues throughout the body is the weakening of connective tissue, leading to various complications.

    Gene Mutation Effect

    • The specific effect of the gene mutation associated with Marfan syndrome is the production of abnormal or reduced amounts of fibrillin-1 protein.

    Symptoms and Complications

    • Tall, slender build is a common symptom in individuals with Marfan syndrome.
    • A common cardiovascular problem associated with Marfan syndrome is aortic aneurysm or aortic dissection.
    • Eye problems, such as dislocated lenses, are a common complication associated with Marfan syndrome.
    • Individuals with Marfan syndrome often experience musculoskeletal pain, particularly back pain, due to spinal abnormalities.

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    Description

    Test your knowledge about Marfan syndrome, a genetic disorder that affects connective tissue development in the body. Learn about the symptoms and impacts of this condition on various areas of the body.

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