The person chronically abusing drugs runs the risk of mental impairment. The area of the brain which can be affected and be permanently damaged is the:
limbic system
cerebellum
cerebrum
brain stem
The Correct Answer is C
A. limbic system
The limbic system is involved in emotion and reward, and is affected by addiction, but not primarily linked to cognitive impairment.
B. cerebellum
Involved in motor control and coordination, not majorly in cognition.
C. cerebrum
The cerebrum controls higher cognitive functions, including judgment, memory, decision-making, and is most affected in long-term drug abuse.
D. brain stem
Regulates basic life functions like breathing and heart rate. While vital, it is less involved in cognitive impairment from drug abuse.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
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.
Correct Answer is B
Explanation
A. 5 to 10 hours: A close approximation but less accurate than the typical 6 to 12 hours reported for many hallucinogens like LSD.
B. 6 to 12 hours: The effects of common hallucinogens such as LSD and psilocybin can last 6 to 12 hours, depending on dosage and substance.
C. 2 to 4 hours: This duration aligns more with some stimulants or shorter-acting drugs, not most hallucinogens.
D. 1 to 2 hours: Too short for hallucinogenic effects; may be confused with fast-acting inhalants or some sedatives.
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