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

Answer and Explanation

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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Correct Answer is ["B","C","E"]

Explanation

A. Lime: Lime can cause chemical burns, especially when in contact with moisture (e.g., skin or eyes), but it is less common than some other agents listed.

B. Hydrofluric acid: Hydrofluoric acid is highly corrosive and can cause severe burns upon contact with the skin or mucous membranes.

C. Bleach: Bleach, particularly sodium hypochlorite, is a common household chemical that can cause chemical burns, especially in concentrated forms.

D. Fabric softener: While fabric softeners contain chemicals, they are not typically known to cause significant chemical burns unless ingested or used improperly.

E. Gasoline: Gasoline is a flammable liquid that can cause chemical burns upon skin contact.

A. Elevated temperature. B. Pursed-lip breathing. C. Clubbing of the fingers. D. Concave chest. E. Dyspnea at rest.

Correct Answer is ["B","D","E"]

Explanation

A. Elevated temperature: Elevated temperature is not typically associated with advanced COPD unless there is an underlying infection. Infections such as pneumonia may exacerbate COPD symptoms but are not universal findings in advanced COPD.

B. Pursed-lip breathing: Pursed-lip breathing is a common compensatory mechanism seen in clients with COPD. It helps to slow down the rate of expiration and prevents alveolar collapse, improving gas exchange.

C. Clubbing of the fingers: Clubbing of the fingers is not typically associated with COPD. It is more commonly seen in conditions such as chronic hypoxemia, congenital heart disease, and certain lung diseases like bronchiectasis.

D. Concave chest: In advanced COPD, the chest may appear hyperinflated with a barrel-shaped chest due to air trapping. The presence of a concave chest is not characteristic of COPD.

E. Dyspnea at rest: Dyspnea, or difficulty breathing, is a hallmark symptom of COPD. In advanced stages, clients may experience dyspnea even at rest due to severe airflow limitation and impaired gas exchange.

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Naxlex Comprehensive Predictor Exams

A client is admitted to the burn unit with chemical burns. The nurse understands that which of the following agents are potential causes of the client's burn injuries? (Select all that apply.)

Correct Answer is ["B","C","E"]

Explanation

A nurse is caring for a client diagnosed with advanced COPD. The nurse should anticipate which assessment findings when caring for clients with advanced COPD? (Select all that apply.)

Correct Answer is ["B","D","E"]

Explanation

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