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ISPN模拟试题95

发表日期:2017-01-14 | 来源 :国际护士网 | 作者 :www.the-nurses.com |点击数: 次 收听:
 
189.The nurse is assigned the care of a client with a diagnosis of heart failure who is receiving intravenous doses of furosemide (Lasix). The client is attached to cardiac telemetry, and the nurse is monitoring the client's cardiac status. The nurse notes that the client's cardiac rhythm has changed to this pattern. The nurse determines that the most likely cause of this cardiac rhythm in the client is which problem?Refer to Figure.
    1. Pacemaker dysfunction
    2. The presence of hypokalemia
    3.The effectiveness of the furosemide
    4.An impending myocardial infarction (MI)
             
Correct Answer:2
This cardiac rhythm is normal sinus rhythm with unifocal premature ventricular complexes (PVCs). PVCs may be insignificant, or they may occur with myocardial ischemia or MI; heart failure; hypokalemia; hypomagnesemia; medications; stress; nicotine, caffeine, or alcohol intake; infection; trauma; or surgery. This client is receiving furosemide, a diuretic that causes the excretion of potassium. The most likely cause of the PVCs in this client is hypokalemia. Option 3 is an incorrect interpretation. The question presents no data indicating that this client has a pacemaker or has signs or symptoms of an impending MI.
 
190.A client has just taken a dose of trimethobenzamide hydrochloride (Tigan). Which finding indicates that this client has had a therapeutic response to the medication?
    1. Relief of constipation
    2. Decrease in heartburn
    3.Absence of abdominal pain
    4.Relief of nausea and vomiting
  
Correct Answer:4
Trimethobenzamide hydrochloride (Tigan) is an antiemetic agent used to treat nausea and vomiting. The other options are not related effects of the medication.

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