Understanding Different Types of Neurotransmitter Receptors
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Questions and Answers

Which type of receptors in the membranes bind and respond to acetylcholine?

  • Alpha receptors
  • Beta receptors
  • Muscarinic receptors (correct)
  • Nicotinic receptors
  • What is the main role of norepinephrine as a medication?

  • Decreasing heart rate
  • Lowering blood pressure
  • Relaxing bronchial muscles
  • Increasing and maintaining blood pressure (correct)
  • Which receptor type controls vital functions of the heart and responds to epinephrine and norepinephrine?

  • Beta receptors (correct)
  • Muscarinic receptors
  • Nicotinic receptors
  • Alpha receptors
  • What is the main clinical use of epinephrine as a medication?

    <p>Emergency treatment of allergic reactions</p> Signup and view all the answers

    Which type of receptors stimulate glucagon secretion in the pancreas?

    <p>Alpha receptors</p> Signup and view all the answers

    Which receptor family transduces extracellular signals into intracellular responses?

    <p>Enzyme-linked receptors</p> Signup and view all the answers

    What is the primary function of Beta-2 receptors in the body?

    <p>Relax bronchial smooth muscle</p> Signup and view all the answers

    Where are Beta-3 receptors predominantly found?

    <p>Gallbladder, urinary bladder detrusor muscle, and adipose tissue</p> Signup and view all the answers

    What effect does activation of Beta-1 receptors have on the kidneys?

    <p>Increased sodium and water reabsorption</p> Signup and view all the answers

    Which is a direct effect of Beta-2 receptor activation?

    <p>Increased glucose metabolism</p> Signup and view all the answers

    What is the primary function of Beta-3 receptors in the urinary bladder?

    <p>Causing bladder relaxation</p> Signup and view all the answers

    Which direct acting adrenergic agonist acts as a natural catecholamine?

    <p>Epinephrine</p> Signup and view all the answers

    Which type of receptors are activated by epinephrine and norepinephrine?

    <p>Adrenergic receptors</p> Signup and view all the answers

    What is the primary use of muscarinic agonists?

    <p>Treatment of urinary retention</p> Signup and view all the answers

    Which drug is an indirect-acting cholinergic agonist used to treat Alzheimer's disease?

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

    Which drug is a competitive antimuscarinic agent used in the treatment of overactive bladder?

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

    What is the main function of ganglionic antagonists?

    <p>Prevent the effects of acetylcholine</p> Signup and view all the answers

    Which drug is used to cause paralysis during anesthesia and is a skeletal muscle relaxant?

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

    Which receptor type do cholinergic receptors mimic the action of?

    <p>Acetylcholine receptors</p> Signup and view all the answers

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