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 ["125"]

Explanation

To calculate the infusion rate for an IV, the total volume to be infused (in this case, 1000 mL) is divided by the total time of infusion (8 hours). So, the calculation would be 1000 mL divided by 8 hours, which equals 125 mL per hour.

A. Cyclobenzaprine will relieve any nausea associated with a fracture. B. The medication will kill microorganisms that can cause infection at the fracture site. C. The medication will relieve muscle spasms that might occur with a fracture. D. Cyclobenzaprine will reduce itching that might occur as the fracture begins to heal.

Correct Answer is C

Explanation

A. Cyclobenzaprine is not indicated for relieving nausea.
B. Cyclobenzaprine is a muscle relaxant, not an antibiotic.
C. Cyclobenzaprine is a muscle relaxant used to relieve muscle spasms, which can occur with fractures.
D. Cyclobenzaprine does not have properties to reduce itching.

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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

A nurse is preparing to administer 0.45% sodium chloride (NaCl) 1000 mL IV to infuse over 8 hr. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero)

Correct Answer is ["125"]

Explanation

A nurse is caring for a client who has a fractured ulna and a new prescription for cyclobenzaprine. Before administering, which of the following explanations should the nurse provide to explain the purpose of the medication?

Correct Answer is C

Explanation

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