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 D
Explanation
A. "After the surgery, I will have to be careful with heavy lifting for a few weeks": This statement demonstrates understanding of postoperative precautions, as heavy lifting can strain the surgical site and delay healing.
B. "I know that after the surgery, I will only have one testicle left": This statement indicates awareness of the surgical procedure and its potential outcomes, which is accurate.
C. "I will have to take antibiotics as prescribed by my doctor to prevent infection": This statement reflects understanding of the importance of antibiotic therapy to prevent postoperative infection, which is correct.
D. "I will need to avoid showering for a month after the surgery": This statement is incorrect.
Avoiding showering for a month after surgery is unnecessary and could lead to poor hygiene and potential complications such as infection. The client should be educated that showering is typically allowed after surgery, but they should avoid soaking the incision site in water until it has healed properly.
Correct Answer is C
Explanation
A. Docusate Sodium (Colace) is a stool softener and is not contraindicated in chronic renal disease.
B. Acetaminophen (Tylenol) is generally safe for use in chronic renal disease, but dosing adjustments may be necessary based on renal function.
C. Meperidine (Demerol) is contraindicated in clients with chronic renal disease because its metabolites can accumulate in renal impairment, leading to neurotoxicity and seizures. It is often replaced with alternative opioid analgesics like morphine or fentanyl in these patients.
D. Atorvastatin (Lipitor) is a statin medication used to lower cholesterol levels and is generally safe in chronic renal disease, although dosing adjustments may be needed depending on the severity of renal impairment.
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