The nurse is reading a cardiac monitor of a patient and observes a regular rhythm, and the P waves have a sawtooth pattern. The nurse recognizes this as which arrhythmia?
Atrial flutter
Ventricular tachycardia
Atrial fibrillation
Sinus tachycardia
The Correct Answer is A
A. Atrial flutter is characterized by a regular rhythm with rapid atrial contractions (flutter waves) that have a sawtooth appearance on the ECG tracing.
B. Ventricular tachycardia typically presents with a wide QRS complex and is often associated with hemodynamic instability.
C. Atrial fibrillation is characterized by irregularly irregular rhythm with no distinct P waves and irregular ventricular response.
D. Sinus tachycardia is characterized by a regular rhythm with a heart rate greater than 100 beats per minute originating from the sinus node.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. These values are within the normal range and not indicative of chronic kidney disease.
B. While an elevated BUN is present, the serum creatinine level is within the normal range, which is not consistent with chronic kidney disease.
C. Both BUN and serum creatinine levels are elevated, indicating impaired kidney function and consistent with chronic kidney disease.
D. These values are within the normal range and not indicative of chronic kidney disease.
Correct Answer is B
Explanation
A. Sanguineous drainage is typically bright red and composed mainly of red blood cells. It is common immediately after surgery but does not typically indicate infection.
B. Purulent drainage is thick, yellow, or greenish in color and contains pus, indicating infection. It requires prompt assessment and intervention.
C. Serous drainage is clear, watery, and pale yellow in color. It is typically a normal finding in surgical wounds.
D. Serosanguineous drainage is pink to pale red and contains a mixture of blood and serum. It is common in the early stages of wound healing.
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