A nurse is teaching a newly licensed nurse about evaluating cardiac rhythms. Which of the following best explains calculation of the heart rate?

Look for P waves on the strip

Count how many QRS occur in a 6 second strip

Read the monitor or electrocardiogram interpretation.

Measure the T waves

Answer and Explanation

The Correct Answer is B

Rationale:

A. Looking for P waves is important for assessing atrial activity, but it does not directly calculate heart rate.

B. Counting how many QRS complexes occur in a 6-second strip and multiplying by 10 is a quick and accurate way to calculate heart rate.

C. Reading the monitor or ECG interpretation provides information about the rhythm and morphology of the heart, but it does not directly calculate heart rate.

D. Measuring T waves is important for assessing cardiac repolarization, but it does not directly calculate heart rate.

Nursing Test Bank

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Correct Answer is ["A","C","D"]

Explanation

Rationale:

A. Preventing vagal stimulation can help prevent bradycardia.

B. Acute pain is not typically associated with sinus bradycardia.

C. Preventing falls is important because bradycardia can lead to dizziness and falls.

D. Assessing for neurologic changes is important because bradycardia can affect cerebral perfusion.

E. Monitoring fluid volume excess is not directly related to sinus bradycardia.

A. Notify the provider of the client's allergy. B. Notify the dietary department of the client's allergy. C. Ask the client if any other foods cause such a reaction. D. Attach a wrist band indicating the client's allergy

Correct Answer is A

Explanation

Rationale:

A. Notifying the provider of the client's allergy is the priority to ensure that appropriate precautions are taken during the cardiac catheterization.

B. Notifying the dietary department is not necessary in this situation.

C. Asking about other foods is important but not the priority at this time.

D. Attaching a wristband indicating the allergy may be done later but is not the priority at this time.

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A nurse is teaching a newly licensed nurse about evaluating cardiac rhythms. Which of the following best explains calculation of the heart rate?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client has undergone diagnostic testing and received a diagnosis of sinus bradycardia. Which interventions are most appropriate and should be included in the client's plan of care? (SELECT ALL THAT APPLY)

Correct Answer is ["A","C","D"]

Explanation

The nurse asks a client who is about to have a cardiac catheterization about any allergies. The client states, "I always get a rash when I eat shellfish." Which of the following is the priority nursing action?

Correct Answer is A

Explanation

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