A nurse is monitoring a client who is on telemetry. Which of the following findings on the ECG strip should the nurse recognize as normal sinus rhythm?

The T wave is in the inverted position.

The P wave falls before the QRS complex.

The QRS duration is 0.20 seconds.

The P-R interval measures 0.22 seconds.

Answer and Explanation

The Correct Answer is B

A. The T wave in the inverted position can indicate ischemia or electrolyte imbalances but does not define normal sinus rhythm.
B. The P wave falling before the QRS complex is characteristic of normal sinus rhythm.
C. A QRS duration of 0.20 seconds is within the normal range and does not specifically define normal sinus rhythm.
D. The P-R interval typically ranges from 0.12 to 0.20 seconds, and a slightly prolonged interval here wouldn't necessarily exclude normal sinus rhythm.

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Correct Answer is ["B","D","E"]

Explanation

A. Urine-specific gravity greater than 1.030 indicates concentrated urine, suggesting dehydration, not fluid volume excess.
B. A bounding pulse is a sign of fluid volume excess.
C. Swelling at the IV site indicates infiltration, not systemic fluid volume excess.
D. Crackles upon auscultation of the lungs indicate fluid accumulation in the lungs, a sign of fluid volume excess.
E. Pitting edema is a sign of fluid volume excess, indicating fluid retention in the tissues.

A. Take the medication in the morning to prevent insomnia. B. Drink 2 to 3 L of water per day while on the medication. C. Expect to have a fever for the first days of therapy. D. Administer the medication with an NSAID to enhance effectiveness.

Correct Answer is B

Explanation

A. Methotrexate is not typically associated with insomnia, and the timing of administration should be according to the provider's instructions.
B. Drinking 2 to 3 L of water per day helps prevent kidney damage and reduces the risk of side effects such as methotrexate toxicity.
C. Fever is not a common expected side effect of methotrexate and should be reported to the provider.
D. Combining methotrexate with NSAIDs can increase the risk of toxicity; this should only be done under direct medical supervision.

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A nurse is monitoring a client who is on telemetry. Which of the following findings on the ECG strip should the nurse recognize as normal sinus rhythm?

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Naxlex Comprehensive Predictor Exams

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