The nurse understands that the length of time needed for a drug to reach the minimum effective concentration (MEC) is the

Duration of action.

Onset of action.

Peak action time.

Time response curve.

Answer and Explanation

The Correct Answer is B

A. Duration of action refers to the length of time a drug remains effective after reaching the MEC, but it does not describe the time required to reach this threshold.

B. Onset of action is the time it takes for a drug to reach the minimum effective concentration (MEC) and begin producing a therapeutic effect. This is influenced by factors such as drug absorption and distribution.

C. Peak action time refers to the time at which the drug reaches its highest concentration in the bloodstream, not the time required to reach the MEC.

D. The time response curve is a graphical representation of a drug's effects over time but does not specifically define the time needed to reach the MEC.

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Correct Answer is C

Explanation

a. Collaboration and teamwork involve working with other healthcare professionals to improve patient outcomes, but in this case, the focus is specifically on meeting the patient's individual needs, which aligns more with patient-centered care.

b. Evidence-based practice involves integrating research and clinical expertise to improve healthcare outcomes, but this situation is not about applying research findings to treatment.

c. Patient-centered care focuses on respecting and responding to individual patient preferences, needs, and values. By addressing the financial barrier to medication access, the nurse ensures that the patient can adhere to their treatment plan, demonstrating patient-centered care.

d. Quality improvement involves evaluating healthcare processes to enhance patient safety and effectiveness, but this situation is more about addressing an individual patient's specific financial need rather than system-wide improvements.

A. Encouraging increased fluid intake B. Increasing activity and exercise C. Initiating a fall risk protocol D. Providing a low potassium diet

Correct Answer is C

Explanation

a) Encouraging increased fluid intake is not always appropriate for a patient on a thiazide diuretic, as these drugs promote fluid loss. Excess fluid intake may not be beneficial unless there are signs of dehydration.

b) Increasing activity and exercise can be beneficial for overall health, but the priority is ensuring safety due to the risk of orthostatic hypotension and falls.

c) Initiating a fall risk protocol is crucial because thiazide diuretics can cause hypotension, dizziness, and electrolyte imbalances, all of which increase the risk of falls, particularly in older adults.

d) Providing a low potassium diet is inappropriate, as thiazide diuretics can lead to hypokalemia (low potassium levels), so monitoring and possibly increasing potassium intake may be necessary.

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The nurse understands that the length of time needed for a drug to reach the minimum effective concentration (MEC) is the

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Naxlex Comprehensive Predictor Exams

The nurse learns that a patient cannot afford a prescribed medication and enlists the assistance of the social worker and an outside agency to provide medications at a lower cost. Which QSEN competency do the nurse’s actions best demonstrate?

Correct Answer is C

Explanation

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Correct Answer is C

Explanation

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