Certified Hospice and Palliative Assistant (CHPNA) Practice Test

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Study for the Certified Hospice and Palliative Assistant Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

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What does the term 'tolerance' signify in the context of drug exposure?

Increased sensitivity to a drug
Absence of drug effects
Diminution of drug effects over time
Improved drug efficacy

The correct answer is: Diminution of drug effects over time

In the context of drug exposure, 'tolerance' refers to the phenomenon where the body becomes accustomed to a drug over time, leading to a reduction in its effects. This means that individuals may require higher doses of the drug to achieve the same therapeutic effect that was experienced initially. Tolerance develops due to various physiological adaptations, including changes in drug metabolism or alterations in receptor sensitivity. Understanding tolerance is crucial in the context of palliative and hospice care because it can significantly affect pain management and the effectiveness of medications used to alleviate symptoms. Therefore, recognizing and addressing tolerance is important for ensuring optimal patient care, as healthcare providers may need to adjust dosages or consider alternative therapies to maintain efficacy.