One hour after administering IV furosemide (Lasix) to a client with heart failure, a short burst of ventricular tachycardia appears on the cardiac monitor. Which of the following electrolyte imbalances should the nurse suspect? A. Hypocalcemia B. Hypermagnesemia C. Hypokalemia D. Hypernatremia Correct Answer: C. Hypokalemia Furosemide… Read More »
A client is receiving spironolactone to treat hypertension. Which of the following instructions should the nurse provide? A. “Eat foods high in potassium.” B. “Take daily potassium supplements.” C. “Discontinue sodium restrictions.” D. “Avoid salt substitutes.” Correct Answer: D. “Avoid salt substitutes.” Because Spironolactone is a potassium-sparing… Read More »
When assessing an ECG, the nurse knows that the P-R interval represents the time it takes for the: A. Impulse to begin atrial contraction. B. Impulse to transverse the atria to the AV node. C. SA node to discharge the impulse to begin atrial depolarization. D. Impulse to travel to the… Read More »
A nurse notes 2+ bilateral edema in the lower extremities of a client with myocardial infarction who was admitted two (2) days ago. The nurse would plan to do which of the following next? A. Review the intake and output records for the last two (2) days. B. Change the time of diuretic… Read More »
Following a treadmill test and cardiac catheterization, the client is found to have coronary artery disease, which is inoperative. He is referred to the cardiac rehabilitation unit. During his first visit to the unit he says that he doesn’t understand why he needs to be there because there is nothing that can be done to… Read More »
To evaluate a client’s condition following cardiac catheterization, the nurse will palpate the pulse: A. In all extremities B. At the insertion site C. Distal to the catheter insertion D. Above the catheter insertion Correct Answer: C. Distal to the catheter insertion Palpating pulses distal to the… Read More »
A client’s physician orders nuclear cardiography and makes an appointment for a thallium scan. The purpose of injecting radioisotope into the bloodstream is to detect: A. Normal vs. abnormal tissue B. Damage in areas of the heart C. Ventricular function D. Myocardial scarring and perfusion Correct Answer:… Read More »
A client enters the ER complaining of severe chest pain. A myocardial infarction is suspected. A 12 lead ECG appears normal, but the doctor admits the client for further testing until cardiac enzyme studies are returned. All of the following will be included in the nursing care plan. Which activity has the highest priority? A. Monitoring… Read More »
A client is experiencing tachycardia. The nurse’s understanding of the physiological basis for this symptom is explained by which of the following statements? A. The demand for oxygen is decreased because of pleural involvement. B. The inflammatory process causes the body to demand more oxygen to meet its needs. C. The heart… Read More »
A client enters the ER complaining of chest pressure and severe epigastric distress. His VS are 158/90, 94, 24, and 99*F. The doctor orders cardiac enzymes. If the client were diagnosed with an MI, the nurse would expect which cardiac enzyme to rise within the next 3 to 8 hours? A. Creatine kinase (CK… Read More »