The Nitric Oxide Quiz
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Questions and Answers

Which of the following is a correct statement about nitric oxide?

  • It is a colorless gas with the formula NO. (correct)
  • It is an anesthetic gas with the formula N2O.
  • It is a brown gas and major air pollutant.
  • It is a free radical with an unpaired electron.

What class of molecules does nitric oxide belong to?

  • Polyatomic molecules
  • Organic molecules
  • Homonuclear diatomic molecules
  • Heteronuclear diatomic molecules (correct)

Which of the following gases should not be confused with nitric oxide?

  • Nitrous oxide (N2O)
  • Nitrogen dioxide (NO2) (correct)
  • Carbon monoxide (CO)
  • Oxygen (O2)

What is the role of nitric oxide in mammals, including humans?

<p>It is a signaling molecule in many physiological and pathological processes. (C)</p> Signup and view all the answers

When was nitric oxide proclaimed the 'Molecule of the Year'?

<p>1992 (A)</p> Signup and view all the answers

Which of the following is true about nitric oxide?

<p>It is a colorless gas (B)</p> Signup and view all the answers

What is the chemical formula of nitric oxide?

<p>NO (B)</p> Signup and view all the answers

Which of the following is true about the electron configuration of nitric oxide?

<p>It has an unpaired electron (A)</p> Signup and view all the answers

What is the role of nitric oxide in mammals, including humans?

<p>It is a cardiovascular signaling molecule (C)</p> Signup and view all the answers

In which field was the 1998 Nobel Prize in Physiology or Medicine awarded for discovering nitric oxide's role?

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

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