An client being assessed in the emergency room is anxious about their health status. The ECG rhythm strip shows a heart rate of 120 beats/min. Characteristics of a sinus tachycardia rhythm are

Atrial rhythm regular, ventricular rhythm irregular

P:QRS ratio of 1:1

P:QRS ratio of 2:1

Ventricular and atrial rhythm are irregular

Answer and Explanation

The Correct Answer is B

A. An atrial rhythm regular and ventricular rhythm irregular would suggest an arrhythmia such as atrial fibrillation or flutter with variable conduction—not sinus tachycardia.
B. In sinus tachycardia, the rhythm is regular, the P:QRS ratio is 1:1, meaning each P wave is followed by a QRS complex, and the origin is from the sinus node.
C. A 2:1 P:QRS ratio is characteristic of certain types of heart block or atrial flutter—not sinus tachycardia.
D. Irregular ventricular and atrial rhythms are seen in atrial fibrillation or other irregular arrhythmias, not sinus tachycardia.

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Correct Answer is D

Explanation

A. Platelets are administered to treat or prevent bleeding due to thrombocytopenia or platelet dysfunction, not primarily for volume loss.
B. Albumin is a plasma volume expander and may be used in hypovolemia, but it does not replace oxygen-carrying capacity like RBCs do.
C. Cryoprecipitates are rich in clotting factors (e.g., fibrinogen, factor VIII) and are used for coagulopathies, not as a primary treatment for hypovolemic shock.
D. Packed RBCs are the appropriate choice in hypovolemic shock, especially when blood loss has occurred, as they restore oxygen-carrying capacity and circulating blood volume.

A. Check temperature every 2 hours. B. Auscultate and monitor breath sounds frequently. C. Maintain patient in supine position. D. Assess skin for flushing and itching.

Correct Answer is B

Explanation

A. Check temperature every 2 hours – While monitoring temperature is important, it is not the priority in cardiogenic shock, which primarily affects cardiac and respiratory function.
B. Auscultate and monitor breath sounds frequently – In cardiogenic shock, pulmonary congestion and fluid overload can develop rapidly due to impaired cardiac output, so frequent assessment of lung sounds is crucial to detect crackles or signs of pulmonary edema.
C. Maintain patient in supine position – A supine position may worsen pulmonary congestion; elevating the head of the bed is typically preferred to improve ventilation and comfort.
D. Assess skin for flushing and itching – This is more relevant in allergic or anaphylactic reactions, not cardiogenic shock.

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An client being assessed in the emergency room is anxious about their health status. The ECG rhythm strip shows a heart rate of 120 beats/min. Characteristics of a sinus tachycardia rhythm are

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is experiencing hypovolemic shock. Which of the following blood products should the nurse anticipate administering to this client?

Correct Answer is D

Explanation

Which intervention will the nurse include in the plan of care for a client who has developed cardiogenic shock?

Correct Answer is B

Explanation

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A nurse is assessing an ECG rhythm strip. The P waves and QRS complexes are regular. The PR interval is 0.16 second. The overall heart rate is 60 beats/min. The nurse assesses the cardiac rhythm as:

A nurse is assessing an ECG rhythm strip. The P waves and QRS complexes are regular. The PR interval is 0.16 second. The overall heart rate is 60 beats/min. The nurse assesses the cardiac rhythm as:

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