This narcotic analgesic has no medical use and can be injected, snorted, or smoked. It replaces natural endorphins in the CNS. This drug is the most widely abused opioid and is:
heroin
laudanum
morphine
codeine
The Correct Answer is A
A. heroin:
Heroin is an illegal opioid with no accepted medical use in most countries. It acts on opioid receptors and replaces endorphins, leading to intense euphoria and high addiction potential.
B. laudanum:
A historic opioid tincture used in the 19th century for pain and diarrhea; rarely abused today.
C. morphine:
A potent opioid used medically for pain management. Abuse is possible but it's not the most commonly abused opioid.
D. codeine:
A milder opioid used medically in cough syrups and for pain. Less commonly abused than heroin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. co-dependency
This refers to maladaptive emotional or behavioral relationships, often enabling someone else's addiction-not the actual need for a substance.
B. detoxification
This is the process of eliminating a substance from the body, not a description of the state of needing it.
C. withdrawal
Withdrawal is the physical and psychological symptoms experienced after stopping a substance, not the ongoing need to continue using.
D. dependence
Dependence refers to the compulsion to use a substance to achieve effects or avoid withdrawal, and can be physical, psychological, or both.
Correct Answer is C
Explanation
A. intoxication
Intoxication refers to the acute effects of a substance on the body, not the repeated return to a behavior.
B. dependence
Dependence is a physical or psychological need for a substance, not the relapse after treatment.
C. recidivism
Recidivism refers to relapse-the recurrence of an undesirable behavior (like substance use) after a period of improvement.
D. cross-tolerance
Cross-tolerance occurs when tolerance to one drug results in tolerance to another, not repeated relapse.
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