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JordanAtropine was discovered by German chemist Friedrich Ferdinand Runge in 1831. He isolated atropine from the deadly nightshade plant (Atropa belladonna). Atropine is known for its anticholinergic properties and is used in medicine to dilate pupils and treat certain medical conditions.
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Does atropine block only nicotinic receptors?
Atropine does not only block nicotinic receptors but also acetylcholine at muscarinic receptors
Is atropine obtained from plants?
Yes, atropine is obtained from plants such as Deadly Nightshade (Atropa belladonna) and Jimsonweed (Datura stramonium). These plants contain alkaloids that are extracted to produce atropine, which is commonly used as a medication to treat a variety of conditions.
What is the effect of atropine plus acetylcholine on frog heart?
Atropine blocks the action of acetylcholine on the heart, leading to an increase in heart rate. When atropine is added along with acetylcholine to the frog heart, the atropine will counteract the effects of acetylcholine, resulting in a lesser decrease in heart rate compared to when acetylcholine is applied alone.
Does atropine dry bronchial secretions?
Yes, atropine is known to dry bronchial secretions by blocking the effects of acetylcholine on muscarinic receptors in the respiratory system, leading to decreased mucus production.
Is atropine hydrophobic?
Yes, atropine is considered hydrophobic due to its structure, which contains non-polar functional groups that are more likely to interact with nonpolar solvents like lipids and oils than with water.
