The nurse is caring for a patient whose cardiac monitor shows a total absence of electrical impulse as indicated by a flat line. The nurse does not detect a pulse or blood pressure. The nurse would document this as which of the following rhythms?
Atrial fibrillation
Asystole
Ventricular fibrillation
Atrial flutter
The Correct Answer is B
A. Atrial fibrillation is characterized by rapid, irregular electrical impulses originating from the atria, resulting in a quivering or fibrillating motion of the atria rather than a coordinated contraction.
B. Asystole is the absence of any electrical activity on the cardiac monitor, resulting in a flat line. It indicates the absence of ventricular contraction and is considered a medical emergency requiring immediate intervention (CPR and advanced cardiac life support).
C. Ventricular fibrillation is characterized by chaotic, disorganized electrical activity in the ventricles, resulting in ineffective quivering of the ventricles and loss of cardiac output.
D. Atrial flutter is characterized by rapid but regular electrical impulses originating from the atria, resulting in a sawtooth pattern on the ECG tracing.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. While monitoring bowel sounds is important for assessing gastrointestinal function, it is not the most critical parameter to monitor in a patient with leukemia.
B. Fever can indicate infection, which is a common complication in patients with leukemia due to compromised immune function from the disease and its treatments.
C. Monitoring heart rate is important, but it may not be the most crucial parameter to monitor unless there are specific cardiac concerns.
D. Skin integrity should be monitored, but it may not be the most important parameter to monitor unless there are concerns about skin breakdown or infections.
Correct Answer is B
Explanation
A. While excessive alcohol consumption can contribute to various health problems, it is not a known risk factor for leukemia.
B. Down syndrome is associated with an increased risk of developing leukemia, particularly acute lymphoblastic leukemia (ALL).
C. Hemophilia is a bleeding disorder and is not directly associated with an increased risk of leukemia.
D. Iron deficiency anemia is not a known risk factor for leukemia.
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