Adrenaline Properties Quiz

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Questions and Answers

What are the different types of receptors?

  • G protein-coupled receptors, Ligand-gated ion channel receptors, Enzyme-linked receptors, Intracellular receptors (correct)
  • G protein-coupled receptors, Nuclear receptors, Cytokine receptors, Enzyme-linked receptors
  • Tyrosine kinase receptors, Nuclear receptors, Cytokine receptors, Ligand-gated ion channel receptors
  • G protein-coupled receptors, Tyrosine kinase receptors, Cytokine receptors, Intracellular receptors

Which type of receptors are highly selective targets, with only specific drug structures binding to them?

  • G protein-coupled receptors (correct)
  • Enzyme-linked receptors
  • Ion channel receptors
  • Nuclear receptors

What is the characteristic feature of β-adrenoceptor's structure?

  • Contains drug binding sites
  • Enables communication from the external environment to the internal environment
  • Made of 1000+ amino acids
  • Has transmembrane regions with hydrophilic/lipophilic amino acids folded in plasma membrane (correct)

What enables a G protein-coupled receptor like β-adrenoceptor to communicate from the external environment to the internal environment?

<p>Transmembrane regions with hydrophilic/lipophilic amino acids folded in the plasma membrane (D)</p> Signup and view all the answers

Which type of receptors are found in heart, lungs, and liver?

<p>G protein-coupled receptors (D)</p> Signup and view all the answers

What explains why very low concentrations of adrenaline increase heart rate through β-adrenoceptors?

<p>Amplify signals – small number of drug/receptor interactions initiate significant biological effects (C)</p> Signup and view all the answers

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