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Questions and Answers
In which part of the brain are M4 muscarinic receptors primarily found?
In which part of the brain are M4 muscarinic receptors primarily found?
- Cerebellum
- Cerebral cortex
- Substantia nigra
- Basal ganglia, amygdala, and hippocampus (correct)
What is the primary function of M2 receptors in the heart?
What is the primary function of M2 receptors in the heart?
- Decreasing heart rate and force of contraction (correct)
- Stimulating salivary secretions
- Regulating vasodilation
- Increasing heart rate and force of contraction
Which of the following is NOT a location where muscarinic receptors are found?
Which of the following is NOT a location where muscarinic receptors are found?
- Endothelial cells
- Skeletal muscle (correct)
- Autonomic ganglia
- Neuro-effector junction
What is the primary mechanism of action of acetylcholine in the parasympathetic nervous system?
What is the primary mechanism of action of acetylcholine in the parasympathetic nervous system?
Where are nicotinic receptors primarily found?
Where are nicotinic receptors primarily found?
What is the effect of acetylcholine on heart rate?
What is the effect of acetylcholine on heart rate?
Which of the following is an effect of M3 muscarinic receptors?
Which of the following is an effect of M3 muscarinic receptors?
What is the primary mechanism of acetylcholine signal transduction?
What is the primary mechanism of acetylcholine signal transduction?
What is the duration of action of neostigmine?
What is the duration of action of neostigmine?
What is the action of Echothiophate?
What is the action of Echothiophate?
What is the therapeutic use of Pyridostigmine?
What is the therapeutic use of Pyridostigmine?
What is the mechanism of action of Pralidoxime?
What is the mechanism of action of Pralidoxime?
What is the common side effect of muscarinic agonists?
What is the common side effect of muscarinic agonists?
What is the therapeutic use of Tacrine, Donepezil, Rivastigmine, and Galantamine?
What is the therapeutic use of Tacrine, Donepezil, Rivastigmine, and Galantamine?
What is the characteristic of synthetic organophosphate compounds?
What is the characteristic of synthetic organophosphate compounds?
What is the action of Demecarium?
What is the action of Demecarium?
What is the use of Edrophonium?
What is the use of Edrophonium?
What is the adverse effect of muscarinic agonists?
What is the adverse effect of muscarinic agonists?
Which of the following agents has a structurally related acetylcholine that is not destroyed by acetylcholinesterase?
Which of the following agents has a structurally related acetylcholine that is not destroyed by acetylcholinesterase?
What is the primary mechanism of indirect-acting agents?
What is the primary mechanism of indirect-acting agents?
What is the primary therapeutic use of Pilocarpine?
What is the primary therapeutic use of Pilocarpine?
What is the primary adverse effect of Carbachol?
What is the primary adverse effect of Carbachol?
Which of the following agents stimulates the release of epinephrine from the adrenal medulla?
Which of the following agents stimulates the release of epinephrine from the adrenal medulla?
What is the primary application of Bethanechol?
What is the primary application of Bethanechol?
What is the primary action of Physostigmine?
What is the primary action of Physostigmine?
What is the primary adverse effect of Pilocarpine?
What is the primary adverse effect of Pilocarpine?
What is the primary difference between direct-acting and indirect-acting agents?
What is the primary difference between direct-acting and indirect-acting agents?
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