Phenytoin has a narrow therapeutic index. The nurse recognizes that this characteristic indicates which of these?

The phenytoin has a low chance of being effective.

There is no difference between safe and toxic plasma levels.

Avery small dosage can result in the desired therapeutic effect.

The safe and the toxic plasma levels of the drug are very close to each other.

Answer and Explanation

The Correct Answer is D

D. Therapeutic index refers to the doses that results in desired outcome with adverse effects. It is between the safe and toxic levels. Narrow therapeutic level means the two are very close.
A. How effective a drug is termed as efficacy
B. Such a drug does not exist as it is not safe
C. Effectiveness of very small dose is termed as potency

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Correct Answer is A

Explanation

A. morphine can cause respiratory depression
B. Not relevant to morphine administration
C. Important assessment but not priority
D. not directly related to morphine administration

A. The client will understand the principles of self-administration of a metered-dose inhaler. B. The client will know about self-administration of a metered-dose inhaler. C. The client will comprehend the proper technique of self-administering a metered-dose inhaler D. The client will demonstrate the proper technique of self-administering a metered-dose inhaler.

Correct Answer is D

Explanation

Demonstration is a measurable outcome. It allows the nurse to pick any errors in the performance of the task in real time and hence corrections can be made.
A, B and C are vague outcomes that are not feasible to measure.

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Phenytoin has a narrow therapeutic index. The nurse recognizes that this characteristic indicates which of these?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client had abdominal surgery this morning. The client is groggy but complaining of severe pain around the incision. What is the most important assessment data to consider before the nurse administers a dose of morphine sulfate to the client?

Correct Answer is A

Explanation

The nurse is developing a care plan for a client who will be self-administering a metered-dose inhaler. Which statement reflects a measurable outcome?

Correct Answer is D

Explanation

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A nurse is preparing to administer a rectal suppository to a client. In which of the following positions should the nurse place the client for insertion of the suppository?

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