A nurse is preparing to administer potassium chloride (KCL). The provider prescribes potassium chloride (KCL) 20 mEq suspension PO daily. The bottle is labeled KCL elixir, 10 mEq/mL. Which of the following should the nurse administer?

2 mL.

2.5 mL.

1.5 mL.

1 mL.

Answer and Explanation

The Correct Answer is A

Choice A rationale:
The provider prescribes 20 mEq of KCL. The bottle is labeled as 10 mEq/mL. Therefore, to administer 20 mEq, the nurse should give 2 mL (20 mEq ÷ 10 mEq/mL = 2 mL).
Choice B rationale:
Administering 2.5 mL would give 25 mEq of KCL, which is more than the prescribed dose.
Choice C rationale:
Administering 1.5 mL would give 15 mEq of KCL, which is less than the prescribed dose.
Choice D rationale:
Administering 1 mL would give 10 mEq of KCL, which is half the prescribed dose.

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Correct Answer is A

Explanation

Choice A rationale:
The first step when a medication error occurs is to assess the client. This is to ensure the safety of the patient and to monitor for any adverse effects.
Choice B rationale:
Reporting the error to the nurse manager is important, but it is not the first step. Patient safety is the priority.
Choice C rationale:
Notifying the provider is crucial, but it comes after ensuring the patient’s safety.
Choice D rationale:
Completing an incident report is a later step in the process. The immediate concern is the patient’s wellbeing.

A. Cardiac output. B. The cardiac cycle. C. Systole. D. Stroke volume.

Correct Answer is D

Explanation

Choice A rationale:
Cardiac output is the amount of blood the heart pumps through the circulatory system in a minute. It is not the volume of blood ejected from the ventricles during each beat.
Choice B rationale:
The cardiac cycle refers to the sequence of events that occur when the heart beats. It is not the volume of blood ejected from the ventricles during each beat.
Choice C rationale:
Systole is the phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries. It is not the volume of blood ejected from the ventricles during each beat.
Choice D rationale:
Stroke volume is the volume of blood ejected from the ventricles during each beat. This is the correct answer.

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A nurse is preparing to administer potassium chloride (KCL). The provider prescribes potassium chloride (KCL) 20 mEq suspension PO daily. The bottle is labeled KCL elixir, 10 mEq/mL. Which of the following should the nurse administer?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse discovers a medication error in which the client received twice the prescribed amount of medication. Which of the following actions should the nurse take first?

Correct Answer is A

Explanation

The nurse is taking care of a patient who is newly diagnosed with heart disease. The patient is asking questions about ejection fraction of the heart. The nurse responds. The nurse understands that the volume of blood ejected from the ventricles during each beat is called.

Correct Answer is D

Explanation

The nurse is taking care of a patient who is newly diagnosed with heart disease. The patient is asking questions about how blood flows through the heart. The nurse responds, when the left ventricle contracts, it pushes blood through a valve to the:

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