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5A. Why is heroin so much more potent than morphine? B. What ion flows in which...

5A. Why is heroin so much more potent than morphine?

B. What ion flows in which direction in cells treated by morphine-like drugs?

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Answer #1

5.a.Heroin is considered two to five times stronger than morphine . Heroin is a naturally occuring substances that comes out of the seeds of poppy plants . Heroin users experience a euphoric rush lasting for several hours when taken by the users which will lead to a sleep of more time whereas morphine acts as an anesthetic without decreasing consiousness and is considered to be one of the most powerful analgesics known.

Hence due to the deadly effects of heroin and its impact on the body its more potent than morphine.

b. K+ ions flow increase in cells treated with morphine and they flow towards outside direction . Morphine reduce Ca++ ions flow towards the cell and increase K+ ion movement from the cell ,which leads to shortening of repolarisation time and also the duration of action potential.

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