A nurse in an emergency department is reviewing a client's ECG reading.

Which of the following findings should the nurse identify as an indication that the client has first-degree heart block?

Prolonged PR intervals.

Nondiscernible P waves.

More P waves than QRS complexes.

No correlation between P and QRS waves.

Answer and Explanation

The Correct Answer is A

First-degree heart block is a type of atrioventricular (AV) block that involves the consistent prolongation of the PR interval (defined as >0.20 seconds) due to delayed conduction via the atrioventricular node.
This is seen on an ECG as a PR interval greater than 200 ms in length.
Choice B: Nondiscernible P waves are not an answer because it is not mentioned as a characteristic of first-degree heart block in my sources.
Choice C: More P waves than QRS complexes is not an answer because it is not mentioned as a characteristic of first-degree heart block in my sources.
Choice D: No correlation between P and QRS waves is not an answer because it is not mentioned as a characteristic of first-degree heart block in my sources.

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Correct Answer is A

Explanation

This statement indicates an understanding of the teaching because headache is a common symptom of anemia.

Choice B is incorrect because bradycardia (slow heart rate) is not a common symptom of anemia.
Instead, anemia can cause irregular heartbeats or a fast heartbeat.
Choice Dis incorrect because flushed skin color is not a common symptom of anemia.
Instead, anemia can cause pale or yellowish skin 1.
Choice Cis incorrect because heat intolerance is not a common symptom of anemia.

A. Poor skin turgor. B. Pitting edema. C. Oliguria. D. S4 galloping heart sounds.

Correct Answer is B

Explanation

Pitting edema is a common and obvious symptom of right-sided heart failure.

This occurs when fluid retention causes swelling in the lower limbs and sometimes the abdomen.
Choice A is incorrect because poor skin turgor is not a common symptom of right-sided heart failure.
Choice C is incorrect because oliguria, or decreased urine output, is not a common symptom of right-sided heart failure.
Choice D is incorrect because S4 galloping heart sounds are not a common symptom of right-sided heart failure.

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A nurse in an emergency department is reviewing a client's ECG reading. Which of the following findings should the nurse identify as an indication that the client has first-degree heart block?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

A nurse is assessing a client who has right-sided heart failure. Which of the following assessment findings should the nurse expect to find?

Correct Answer is B

Explanation

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A nurse in an emergency department is reviewing a client's ECG reading.

Which of the following findings should the nurse identify as an indication that the client has first-degree heart block?