Which statement indicates that the nurse understands what the half-life of a drug means?
Drugs with a short half-life have a greater risk for toxicity
Half-life is not affected by renal or hepatic function
if a medication has a long half-life. dosage times can be longer intervals & the drug remains effective
Half of the effective portion of the drug is metabolized by the liver
The Correct Answer is C
C. The half-life of a drug refers to the time it takes for the concentration of the drug in the bloodstream to be reduced by half. If a medication has a long half-life, it means that it stays in the body for a longer period before being eliminated. This allows for less frequent dosing intervals while still maintaining therapeutic effectiveness.
A. Drugs with a short half-life are typically cleared from the body more quickly. While they may require more frequent dosing to maintain therapeutic levels, they do not necessarily have a greater risk for toxicity compared to drugs with longer half-lives. In fact, drugs with longer half-lives can accumulate in the body over time, potentially increasing the risk of toxicity.
B. The half-life of a drug can be significantly influenced by renal (kidney) and hepatic (liver) function. Impaired renal or hepatic function can prolong the half-life of a drug, leading to slower elimination and potentially increased risk of adverse effects.
D. This statement describes the concept of drug metabolism rather than the half-life. Drug metabolism refers to the biochemical alteration of drugs by enzymes, often occurring in the liver. The half-life, on the other hand, specifically relates to the elimination of the drug from the body.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","E"]
Explanation
A. Clients with dementia often experience cognitive decline, which can affect their ability to navigate their surroundings safely. Modifying the environment can include simplifying the layout, reducing clutter, using clear signage, and ensuring adequate lighting to enhance orientation and reduce confusion.
B. Communication difficulties are common in dementia. Using short, simple sentences helps clients better understand instructions and information. It reduces confusion and frustration, promoting effective communication and cooperation during care.
C. Maintaining independence and dignity is crucial for clients with dementia. Allowing them to participate in Activities of Daily Living (ADLs) to the extent possible helps preserve their functional abilities, boosts their self-esteem, and promotes a sense of control over their environment.
E. Providing choices within a structured framework can empower clients with dementia. It allows them to maintain some control over their daily routine and decisions, thereby enhancing their sense of autonomy and reducing agitation or resistance to care.
D. This is not an appropriate intervention. Social interaction, including visits from family members, can have significant emotional and psychological benefits for clients with dementia. It can help reduce feelings of isolation, improve mood, and provide reassurance and familiarity.
Correct Answer is B
Explanation
B Leaning away from the client can convey disinterest, distraction, or a lack of engagement. It creates physical distance and may inhibit the client from feeling heard or valued. Thus, leaning away from the client can be a barrier to active listening as it diminishes the nurse's ability to fully attend to and understand the client's message.
A. An open posture, where the nurse's body is facing the client with arms uncrossed and relaxed, signals openness and receptivity. It encourages communication and shows the client that the nurse is engaged and attentive. Therefore, an open posture promotes active listening rather than serving as a barrier.
C. Eye contact is essential for effective communication and active listening. It demonstrates attentiveness, interest, and respect. Establishing eye contact helps the nurse to connect with the client and encourages them to continue sharing their thoughts and feelings. Therefore, eye contact supports active listening rather than hindering it.
D. Sitting squarely facing the client promotes engagement and shows that the nurse is focused on the client. It facilitates direct communication and helps the nurse to observe the client's nonverbal cues effectively. This posture encourages open dialogue and supports active listening rather than acting as a barrier.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.
