A nurse is reviewing a client's cardiac monitor. Which of the following findings should the nurse identify as an indication for synchronized cardioversion?
Asystole
Ventricular fibrillation
Pulseless ventricular tachycardia
Atrial fibrillation
The Correct Answer is D
A. Asystole: Synchronized cardioversion is ineffective for asystole because there is no electrical activity to reset. The appropriate intervention for asystole is immediate CPR and administration of epinephrine.
B. Ventricular fibrillation: Defibrillation, not synchronized cardioversion, is the appropriate treatment for ventricular fibrillation because it is a pulseless, chaotic rhythm that requires immediate high-energy shocks.
C. Pulseless ventricular tachycardia: Pulseless ventricular tachycardia is treated with defibrillation rather than synchronized cardioversion, as there is no coordinated cardiac activity to synchronize with. CPR and advanced cardiac life support (ACLS) protocols should be initiated.
D. Atrial fibrillation: Synchronized cardioversion is indicated for atrial fibrillation, particularly when it is associated with hemodynamic instability. Cardioversion helps restore a normal sinus rhythm by delivering a shock synchronized to the R wave of the QRS complex.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Inspect the mouth once each week for sores: Frequent oral assessments are necessary, especially after a partial glossectomy, to monitor for infection, healing complications, or signs of malignancy recurrence. Checking only once per week is insufficient for early detection of issues.
B. Use text or pictures to communicate needs postoperatively: A partial glossectomy can impair speech, making communication difficult. Using alternative methods such as writing, text, or pictures helps ensure effective communication, especially in the immediate postoperative period.
C. Rinse with an alcohol-based mouthwash instead of brushing: Alcohol-based mouthwashes can cause irritation and delay healing. Instead, gentle oral hygiene with a soft toothbrush and non-alcoholic rinses like saline or chlorhexidine is recommended to maintain cleanliness without irritation.
D. Increase intake of dense, high-fiber foods: Soft, easy-to-swallow foods are preferred after a partial glossectomy to prevent irritation and facilitate healing. Dense, high-fiber foods can be difficult to chew and may cause discomfort, increasing the risk of aspiration or delayed wound healing.
Correct Answer is D
Explanation
A. Place the client in a negative pressure room: Negative pressure rooms are used for airborne precautions, such as tuberculosis, but are not required for internal brachytherapy. Clients receiving internal radiation require a private room with appropriate shielding to limit radiation exposure.
B. Dispose of the radioactive source in the client's trash can: Radioactive sources should never be discarded in regular trash. If dislodged, the source must be handled properly using protective equipment and disposed of in a designated lead container to prevent radiation exposure.
C. Limit each visitor to 1 hr per day: Visitors should be limited to 30 minutes per day and should maintain a distance of at least 6 feet from the client. This minimizes radiation exposure to family members and healthcare providers.
D. Use long-handled forceps if the radioactive source is dislodged: If the internal radiation source becomes dislodged, it should never be touched directly. Long-handled forceps should be used to carefully place the source in a lead-lined container to protect against radiation exposure.
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