Sources and Fate of Ammonia in Medical Biochemistry
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Questions and Answers

What is the main source of ammonia in the human body?

  • Transamination reaction (correct)
  • Dehydration reaction
  • Catabolic fate
  • Anabolic fate
  • In which condition would a person most likely experience acquired ammonia neurotoxicity?

  • During a congenital disorder (correct)
  • During lactation
  • During starvation
  • During pregnancy
  • What happens to excess amino acids in the human body?

  • Converted into glucose
  • Used for energy production
  • Excreted as urea (correct)
  • Stored for future use
  • Which of the following amino acids is classified as nutritionally nonessential?

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

    In which of the following conditions would a positive nitrogen balance most likely occur?

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

    What is the primary form of nitrogen excretion in the body?

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

    In the glucose-alanine cycle, alanine is primarily formed in which organ?

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

    Which amino acid is a precursor for the synthesis of glutamate?

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

    What is the fate of excess ammonia generated from the metabolism of glutamine?

    <p>Excretion in urine as urea</p> Signup and view all the answers

    Which amino acid can be synthesized from glutamate?

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

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