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 (A)</p> Signup and view all the answers

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

<p>Pregnancy (A)</p> Signup and view all the answers

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

<p>Urea (C)</p> Signup and view all the answers

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

<p>Liver (D)</p> Signup and view all the answers

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

<p>Aspartate (A)</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 (D)</p> Signup and view all the answers

Which amino acid can be synthesized from glutamate?

<p>Arginine (B)</p> Signup and view all the answers

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