The nurse is caring for a group of patients on the telemetry unit. Which patient should the nurse see first?
A patient with sinus bradycardia with a heart rate of 53 beats/minute
A patient with premature atrial contractions who is asymptomatic
A patient with atrial fibrillation reporting dyspnea
A patient with sinus tachycardia with a heart rate of 108 beats/minute
The Correct Answer is C
A. Sinus bradycardia may not require immediate intervention if the patient is asymptomatic and stable.
B. Asymptomatic premature atrial contractions may not require immediate attention unless they are associated with significant symptoms or hemodynamic instability.
C. Dyspnea in a patient with atrial fibrillation may indicate heart failure or other complications and requires prompt assessment and intervention.
D. Sinus tachycardia may not require immediate intervention if the patient is asymptomatic and stable.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. The P wave on an ECG represents atrial depolarization, which occurs as the electrical impulse originates in the sinoatrial (SA) node and spreads through the atria, initiating atrial contraction.
B. Atrial repolarization typically occurs during the QRS complex and is not represented by the P wave. Atrial repolarization is masked by the larger QRS complex.
C. Ventricular depolarization is represented by the QRS complex on an ECG, as the electrical impulse spreads through the ventricles, leading to ventricular contraction.
D. Ventricular repolarization typically occurs during the T wave and is not represented by the P wave. Ventricular repolarization involves the recovery of ventricular muscle cells after contraction.
Correct Answer is B
Explanation
A. While renal calculi (kidney stones) can cause renal issues, they are not directly related to diminished renal output in this scenario. Hypovolemia, or low blood volume, is more pertinent to the patient's presentation of scant voiding and inability to eat or drink.
B. Diminished renal output, as evidenced by scant voiding, can be indicative of hypovolemia. Hypovolemia reduces kidney perfusion, leading to decreased urine output as the kidneys conserve fluid.
C. While inactivity can contribute to various health issues, it's not directly related to diminished renal output in this case. The primary concern is addressing the immediate physiological impact of decreased renal function.
D. While nephrotoxic drugs can impair renal function, there's no indication in the scenario that the patient has been exposed to such drugs. Thus, they are not directly relevant to the current situation.
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