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?

Prolonged PR intervals

Widening QRS Complex

A reduction of a peaked T wave

An increase in T wave amplitude

Answer and Explanation

The Correct Answer is C

Choice A rationale: Prolonged PR intervals are not typically associated with the use of polystyrene sulfonate2.

Choice B rationale: Widening of the QRS complex is not typically seen with the use of polystyrene sulfonate2.

Choice C rationale: Polystyrene sulfonate is used to treat hyperkalemia (high potassium levels). As potassium levels decrease, the peaked T wave seen in hyperkalemia may reduce234.

Choice D rationale: An increase in T wave amplitude is not typically associated with the use of polystyrene sulfonate2.

Nursing Test Bank

Quiz #1: RN Exams Pharmacology Exams Quiz #2: RN Exams Medical-Surgical Exams Quiz #3: RN Exams Fundamentals Exams Quiz #4: RN Exams Maternal-Newborn Exams Quiz #5: RN Exams Anatomy and Physiology Exams Quiz #6: RN Exams Obstetrics and Pediatrics Exams Quiz #7: RN Exams Fluid and Electrolytes Exams Quiz #8: RN Exams Community Health Exams Quiz #9: RN Exams Promoting Health across the lifespan Exams Quiz #10: RN Exams Multidimensional care Exams

Get 100+ Naxlex Exit Exams for $79 Try Naxlex NCLEX-RN (14 Day Free-Trial)

Naxlex Comprehensive Predictor Exams

Quiz #1: Naxlex RN Comprehensive online practice 2019 B with NGN Quiz #2: Naxlex RN Comprehensive Predictor 2023 Quiz #3: Naxlex RN Comprehensive Predictor 2023 Exit Exam A Quiz #4: Naxlex HESI Exit LPN Exam Quiz #5: Naxlex PN Comprehensive Predictor PN 2020 Quiz #6: Naxlex VATI PN Comprehensive Predictor 2020 Quiz #8: Naxlex PN Comprehensive Predictor 2023 - Exam 1 Quiz #10: Naxlex HESI PN Exit exam Quiz #11: Naxlex HESI PN EXIT Exam 2

Free Nursing Study Resources

Correct Answer is D

Explanation

Choice A rationale: First-degree AV block is a type of heart block, not a dysrhythmia associated with palpitations, fatigue, and dizziness12.

Choice B rationale: Sinus bradycardia is a slow heart rate, not a rapid and irregular one12.

Choice C rationale: Sinus tachycardia is a fast heart rate but it is regular, not irregular12.

Choice D rationale: Atrial fibrillation is a fast and irregular heart rate, which aligns with the symptoms described34.

So, the correct answer is Choice D, after analysing all choices.

A. Administer Atropine M B. Defibrillate with 360 joules C. Begin CPR D. Administer Epinephrine N

Correct Answer is C

Explanation

Choice A rationale: Atropine is not typically used in the treatment of cardiac arrest91011.

Choice B rationale: Defibrillation is not the first step in the treatment of cardiac arrest. The first step is to start CPR91011.

Choice C rationale: Starting CPR is the first action when a patient is unresponsive and pulseless91011.

Choice D rationale: While epinephrine is used in the treatment of cardiac arrest, it is not the first step. The first step is to start CPR91011.
So, the correct answer is Choice C, after analyzing all choices.

View Question and Answer

Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.

Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today

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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse in an urgent care center is assessing a client who reports a sudden onset of irregular palpitations, fatigue, and dizziness. The nurse finds a rapid and irregular heart rate on the cardiac monitor. Which dysrhythmias should the nurse expect to find on the EKG?

Correct Answer is D

Explanation

The nurse on the unit hears an alarm sound in the client's room. Arriving in the room, the client is unresponsive. pulseless and the nurse sees the flat rhythm on the monitor. What is the FIRST action by the nurse?

Correct Answer is C

Explanation

A nurse is teaching a client with a new atrial fibrillation diagnosis on worsening signs and symptoms. The nurse should instruct the client to monitor for which of the following complications?

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 (SATA) (Select All that Apply.)

A nurse is educating a patient with a newly placed pacemaker about a variety of complementary and alternative therapies. What type of therapy is contraindicated in patients with pacemakers?.

A patient on the telemetry unit develops atrial flutter with a heart rate of 150, respirations 26, b/p 118/64 and a o2 saturation of 90% while sitting down. Which action should the nurse do FIRST?

As the registered nurse, which tasks below should you NOT delegate to the LPN?

The charge nurse is making assignments for clients on a cardiac unit. Which client should the charge nurse assign to a new graduate nurse?

The nurse notes a client in supraventricular tachycardia. The patient has a pulse and the cardiac monitor is at the bedside. The nurse understands electrical intervention is indicated. What button does the nurse push to ensure the electricity is delivered on the R wave? Refer to the picture.