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.

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Correct Answer is D

Explanation

Rationale:

A. This is not correct since a sinus tachycardia show have a sinus P wave unlike in the strip.

B. This is incorrect since a junctional rhythm should have a regular ventricular rhythm unlike in the above strip which is irregular.

C. A first degree heart block should have a PR interval greater than 0.20 without a disruption in the atrial to ventricular conduction.

D. This is correct since the rhythm is irregular and the P waves are absent.

A. "I will take my diuretic before sleep and drink fluids during the day." B. "I will read food labels and limit my sodium to 4 grams per day." C. "I plan to pace my activities to avoid fatigue." D. "I should use naproxen to manage discomfort."

Correct Answer is B

Explanation

Rationale:

A. Taking a diuretic before sleep and drinking fluids during the day is important but does not specifically address sodium intake.

B. This statement indicates an understanding of the importance of limiting sodium intake, which is crucial in managing congestive heart failure.

C. Pacing activities is important but is not specific to sodium intake.

D. Naproxen is not typically used to manage discomfort in congestive heart failure.

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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

Identify the following Cardiac Rhythm:

Correct Answer is D

Explanation

A nurse is providing discharge instructions for a client diagnosed with congestive heart failure. Which of the following client statements indicates to the nurse that the teaching was effective?

Correct Answer is B

Explanation

A nurse is caring for a heart failure client with a history of dietary non compliance. The nurse suspects the client has fluid volume overload. Which of the following findings should the nurse expect? (SELECT ALL THAT APPLY))

A nurse is collecting a medication history from a client who is scheduled to have a cardiac catheterization. Which of the following medications taken by the client interacts with contrast material and places the client at risk for acute kidney injury?

A nurse is caring for a client who is in pulseless ventricular tachycardia (V-Tach). The nurse recognizes the need for which priority intervention?

A nurse is caring for a client diagnosed with infective endocarditis. The nurse is aware that which of the following is the priority assessment finding for this patient?

A nurse is reviewing blood pressure classifications with a group of nurses at an in-service meeting. Which of the following should the nurse include as a risk factor for the development of hypertension?

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?

A nurse is giving a presentation about preventing deep-vein thrombosis (DVT). Which of the following should the nurse include as a risk factor for this disorder? (Select all that apply.)

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)