Neurotransmitters and Drug Classification Quiz
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Questions and Answers

What is the primary function of serotonin, an amine, in the brain?

  • Modulating feelings of hunger and thirst
  • Controlling body temperature
  • Enhancing cognitive memory
  • Regulating the waking and sleeping cycle (correct)

    • What is a common feature of alkaloid drugs?

  • They are always found in plants
  • They are strong acids
  • They are synthetic
  • They are weakly basic organic compounds (correct)

    • What is the role of amines in the formation of proteins?

  • They help break down proteins
  • They are a byproduct of protein synthesis
  • They help create amino acids, which build proteins (correct)
  • They have no role in protein synthesis

    • Where are amines commonly found in biological systems?

    <p>In enzymes, nucleic acids, and alkaloid drugs (A)</p> Signup and view all the answers

    What is the effect of the inductive effect of an alkyl group on the basicity of simple alkylamines?

    <p>It increases their basicity (C)</p> Signup and view all the answers

    What determines the basicity of an aromatic amine?

    <p>The availability of the lone pair (B)</p> Signup and view all the answers

    What is the primary function of dopamine in the human body?

    <p>Feeling of reward (C)</p> Signup and view all the answers

    What is the primary use of Demerol (pethidine)?

    <p>As a pain reliever (A)</p> Signup and view all the answers

    Which of the following is NOT a use of amines?

    <p>Nucleic acid synthesis (C)</p> Signup and view all the answers

    What is the primary function of Novocaine and similar compounds?

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

    What is Mitocyin-C used to treat?

    <p>Stomach and colon cancer (D)</p> Signup and view all the answers

    What is the primary use of Tetramethylammonium iodide?

    <p>To disinfect drinking water (D)</p> Signup and view all the answers

    What is the characteristic of amines in terms of their precedence among various functional groups?

    <p>It is one of the lowest in precedence (B)</p> Signup and view all the answers

    Why do amines have unpleasant, pungent odors?

    <p>Due to the difference in electronegativity between N and H (B)</p> Signup and view all the answers

    What is a characteristic of 1° and 2° amines in terms of hydrogen bonding?

    <p>They form hydrogen bonds with each other (B)</p> Signup and view all the answers

    Why are smaller amines more soluble in water than larger amines?

    <p>Due to their ability to form hydrogen bonds with water (D)</p> Signup and view all the answers

    What is a characteristic of amines in terms of their basicity?

    <p>They are weak bases (D)</p> Signup and view all the answers

    What is a reaction of ammonium salts?

    <p>They react with strong bases to form neutral amines (D)</p> Signup and view all the answers

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