A nurse on a telemetry unit is caring for a client who has a history of premature ventricular contractions (PVCs). The client reports feeling lightheaded and feeling heart beats in their chest. In a client having PVCs, which of the following findings would the nurse expect when auscultating the client's apical pulse?
Irregular pulsations
Bounding pulsations
Tachycardia
Bradycardia
The Correct Answer is A
A. Irregular pulsations: Premature ventricular contractions (PVCs) are abnormal heartbeats originating in the ventricles, causing irregularities in the heart rhythm. Auscultating the apical pulse during PVCs may reveal irregular pulsations due to the irregular timing of ventricular contractions.
B. Bounding pulsations: Bounding pulsations are typically associated with conditions such as hypertension or aortic valve regurgitation but are not specifically characteristic of PVCs.
C. Tachycardia: PVCs may occur in the setting of tachycardia, but the presence of PVCs themselves does not necessarily indicate a rapid heart rate. The rhythm may be irregular due to PVCs, but the overall heart rate may not be consistently elevated.
D. Bradycardia: PVCs are not typically associated with bradycardia. Bradycardia refers to a slow heart rate, while PVCs involve premature extra beats originating from the ventricles.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. People mistakenly think they are experiencing seasonal allergies: While seasonal allergies may share some symptoms with the common cold, such as nasal congestion and sneezing, they are caused by allergens rather than viruses. This factor does not directly contribute to the high communicability of the common cold.
B. The virus is spread by individuals who don't have symptoms: The common cold is highly communicable because individuals infected with the virus can spread it to others even before they develop symptoms or when they have mild symptoms. This makes it challenging to prevent the spread of the virus, as infected individuals may not realize they are contagious.
C. Hand washing is not effective against the cold virus: Hand washing is an effective measure for preventing the spread of the common cold virus. Proper hand hygiene can help reduce the transmission of the virus from contaminated surfaces to the nose and mouth.
D. Use of over-the-counter cold products reduces immune resistance: Over-the-counter cold products may help relieve symptoms of the common cold but do not directly affect immune resistance. However, reliance on symptomatic relief without taking precautions to prevent the spread of the virus can contribute to its communicability.
Correct Answer is B
Explanation
A. Obtain pulse oximetry every two hours: While monitoring oxygen saturation is important in assessing respiratory status, it is not a direct intervention for preventing atelectasis. It is more of an assessment tool to evaluate the effectiveness of interventions aimed at preventing atelectasis.
B. Teach the client how to use the incentive spirometer: Incentive spirometry is a valuable tool for preventing atelectasis postoperatively by promoting deep breathing and lung expansion. Teaching the client how to use the incentive spirometer and encouraging its frequent use can help maintain lung volume and prevent collapse of alveoli.
C. Instruct the client to practice abdominal breathing: While abdominal breathing can be beneficial for promoting relaxation and reducing anxiety, it is not as effective as incentive spirometry in preventing atelectasis postoperatively.
D. Encourage oral fluid intake of 2000 mL/24 hours: Adequate hydration is important for overall health and respiratory function, but it is not specifically targeted at preventing atelectasis. While hydration can help maintain airway secretions thin, it is not the primary intervention for preventing atelectasis after a lobectomy.
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