Nokea
A client with cardiac arrhythmia is prescribed ibutilide IV. The client weighs 63 kg. The nurse would expect to administer the drug over which time frame?
- A. 1 minute
- B. 5 minutes
- C. 10 minutes
- D. 30 minutes
Correct Answer: C
Rationale: Ibutilide is administered IV over 10 minutes.
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A client is diagnosed with an arrhythmia that involves irregular and rapid atrial contraction and an irregular and inefficient ventricular contraction. The nurse interprets this arrhythmia as which of the following?
- A. Atrial flutter
- B. Atrial fibrillation
- C. Ventricular tachycardia
- D. Ventricular fibrillation
Correct Answer: B
Rationale: Atrial fibrillation is characterized by irregular and rapid atrial contraction, resulting in a quivering of the atria and causing an irregular and inefficient ventricular contraction. Atrial flutter is the rapid contraction of the atria at a rate too rapid for the ventricle to pump efficiently. Ventricular tachycardia is a rapid heartbeat with a rate greater than 100 bpm. Ventricular fibrillation is rapid, disorganized contractions of the ventricles, resulting in the inability of the heart to pump any blood to the body.
When describing arrhythmias to a group of nursing students, the instructor explains that arrhythmias may be triggered by which of the following? Select all that apply.
- A. Emotional stress
- B. Heart disease
- C. Electrolyte imbalance
- D. Diabetes
- E. Hypoxia
Correct Answer: A,B,C,E
Rationale: Arrhythmias may occur as a result of heart disease, a disorder that affects cardiovascular function, emotional stress, hypoxia, and electrolyte imbalances. Diabetes is not a direct trigger for arrhythmias but may contribute indirectly through cardiovascular complications.
A nurse assesses the results of a client's complete blood count observing for agranulocytosis for a client receiving which antiarrhythmic? Select all that apply.
- A. Verapamil (Calan)
- B. Lidocaine (Xylocaine)
- C. Sotalol (Betapace)
- D. Quinidine (Quinaglute)
- E. Mexiletine (Mexitil)
Correct Answer: A,D,E
Rationale: Agranulocytosis has been reported with the use of verapamil, quinidine, and mexiletine.
Before administering any antiarrhythmic, the nurse would assess which of the following? Select all that apply.
- A. Skin color
- B. Blood glucose
- C. Input and output
- D. Orientation
- E. Level of consciousness
Correct Answer: A,D,E
Rationale: The preadministration assessment of the client's general condition should include observations such as skin color, orientation, level of consciousness, and the client's general status. Blood glucose and input/output are not directly relevant unless specified.
A client is admitted to the cardiology unit of a health care facility for ventricular arrhythmia. In which of the following conditions can an antiarrhythmic drug be safely administered?
- A. Aortic stenosis
- B. Premature ventricular contraction
- C. Third-degree heart block
- D. Severe heart failure
Correct Answer: B
Rationale: The nurse can safely administer an antiarrhythmic drug if the client has premature ventricular contractions. Aortic stenosis, third-degree heart block, and severe congestive heart failure are contraindications for the use of antiarrhythmic drugs.