THE PSYCHOLOGY OF EMOTIONS
STATES OF CONSCIOUSNESS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Because heroin reacts with endorphin receptors, it is considered a?
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agonist
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antagonist
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re-uptake inhibitor
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Beta blocker
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Explanation:
Detailed explanation-1: -An agonist is a drug that activates certain receptors in the brain. Full agonist opioids activate the opioid receptors in the brain fully resulting in the full opioid effect. Examples of full agonists are heroin, oxycodone, methadone, hydrocodone, morphine, opium and others.
Detailed explanation-2: -▶ Heroin and methadone are opioid agonists. block them, rather than activating them. ▶ Examples of opioid antagonists are naltrexone and naloxone.
Detailed explanation-3: -Opioid receptors are localized throughout peripheral and central nervous system and interact with endogenous opioid peptides and drugs including heroin, synthetic opioids, and pain relievers (codeine, morphine).
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