ATI RN
ATI RN Custom 2023 Med-Surg Cardiovascular Questions
Extract:
Question 1 of 5
A nurse is caring for a client who has a serum potassium level of 5.9 mEq/L. The provider prescribes polystyrene sulfonate. If this medication is effective, the nurse should expect which of the following changes on the client's ECG?
Correct Answer: C
Rationale: Polystyrene sulfonate reduces serum potassium levels. Hyperkalemia causes peaked T waves on an ECG, so effective treatment would result in a reduction of this abnormality.
Extract:
Read orders by the prescriber and answer the question.
Prescriber's orders
Labs: PT, PTT, INR
Unsupervised ambulation every 1 hr
Give protamine sulfate STAT
Give Aspirin orally daily
Continue unrestricted regular diet
Give vitamin K STAT
Initiate bleeding precautions
Question 2 of 5
A nurse is admitting a client who has been in Atrial Fibrillation for 24 hours. Which of the following interventions does the nurse plan to complete?
Correct Answer: A,B,C,D
Rationale: For atrial fibrillation over 24 hours, anticoagulation (heparin, Coumadin) is planned to prevent thromboembolism, labs monitor clotting, and vitamin K reverses anticoagulation if needed.
Extract:
Question 3 of 5
A nurse is reviewing medications prescribed for a client. For which of the following prescriptions should the nurse contact the provider for clarification?
Correct Answer: C
Rationale: Regular insulin dosing requires clarification on timing and frequency (e.g., how many meals), as vague orders can lead to administration errors.
Question 4 of 5
A client with Sinus tachycardia has been admitted into the telemetry unit. The nurse identifies the following as possible causes of sinus tachycardia. Select all that apply
Correct Answer: A,C,E
Rationale: Fever, albuterol (a beta-agonist), and dehydration can increase heart rate, causing sinus tachycardia, while lisinopril and sleeping typically do not.
Question 5 of 5
A client on the cardiac telemetry unit goes into Ventricular fibrillation and is unresponsive. Following initiation of the emergency call system (code blue), what is the next priority for the nurse in caring for the client?
Correct Answer: B
Rationale: Ventricular fibrillation is a lethal arrhythmia requiring immediate defibrillation to restore a viable rhythm, making it the next priority after activating the emergency system.