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

Answer and Explanation

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.

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Correct Answer is C

Explanation

A. While a splenectomy can lead to increased workload on the liver, it does not directly predispose the patient to liver disease.
B. A history of splenectomy does not specifically increase the risk of lupus.

C. Patients who have undergone splenectomy are at increased risk of certain infections, particularly encapsulated bacteria such as Streptococcus pneumoniae, which can cause pneumonia.
D. A history of splenectomy does not directly increase the risk of renal disease.

A. Swab teeth and mucous membranes four times daily with lemon-glycerin swabs B. Brush teeth twice a day with a firm toothbrush C. Use sponge Toothettes to clean teeth between meals D. Use waxed floss between meals and at bedtime

Correct Answer is C

Explanation

A. Lemon-glycerin swabs can dry out and irritate oral tissues, increasing the risk of oral mucositis and infection.
B. Using a firm toothbrush may be too harsh for irritated mucous membranes and can increase the risk of injury and bleeding.
C. Gentle oral care is essential to avoid further irritation of the mucous membranes.

D. Flossing may be too abrasive for irritated mucous membranes and can increase the risk of bleeding and injury.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is taking a health history and notes the patient has a history of a splenectomy. For which condition is this patient at risk?

Correct Answer is C

Explanation

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Correct Answer is C

Explanation

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