The nurse is caring for a patient who has had three or more premature ventricular contractions occurring in a row on the electrocardiogram tracing. The nurse should document this as which of the following?
Ventricular tachycardia
Bigeminy
Ventricular fibrillation
Trigeminy
The Correct Answer is A
A. Three or more consecutive premature ventricular contractions (PVCs) on an ECG tracing is indicative of ventricular tachycardia, a serious arrhythmia that requires prompt intervention.
B. Bigeminy refers to a pattern of every other beat being a PVC, not necessarily three or more consecutive PVCs.
C. Ventricular fibrillation is characterized by chaotic, disorganized ventricular activity on the ECG and is not defined by the presence of consecutive PVCs.
D. Trigeminy refers to a pattern of every third beat being a PVC, not necessarily three or more consecutive PVCs.
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 C
Explanation
A. Stewed apples are generally safe for a client with leukemia unless there are specific dietary restrictions.
B. While white bread is not typically contraindicated for leukemia patients, it is generally advisable to consume whole grains for better nutrition.
C. Well-done steak may pose a risk of bacterial contamination, especially for immunocompromised individuals such as those with leukemia. Therefore, it is advisable to avoid undercooked or raw meats.
D. Carrot sticks are generally safe and nutritious for individuals with leukemia unless there are specific dietary restrictions.
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