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G Protein-Coupled Receptors Mechanism Quiz

8 Questions

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G Protein-Coupled Receptors Mechanism Quiz

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Questions and Answers

Which type of adrenergic receptor is known to be a Gi coupled receptor?

β2

β1

α2A (correct)

α1A

Which G protein is primarily coupled to β1 receptors?

Gs (correct)

G12

How many subtypes do α1 receptors have?

3 (correct)

Adrenaline or noradrenaline act as ligands for which type of adrenoreceptors?

α2 Signup and view all the answers

What is the main role of the sympathetic division in response to stressful situations?

Initiating the fight-or-flight response Signup and view all the answers

How do adrenergic receptors mediate the actions of the sympathetic nervous system?

By transducing external catecholamine stimuli into intracellular signals Signup and view all the answers

Which type of adrenoreceptor is coupled to a Gq protein?

α1A Signup and view all the answers

How many total subtypes of adrenoreceptors are there?

9 Signup and view all the answers