A patient has been taking an antibiotic for an upper respiratory tract infection. The infection has cleared, and the patient has completed her 10-day course of the medication. How much of the drug will remain at the end of two half-lives?
1. 75%
2. 50%
3. 25%
4. None
Correct Answer: 3
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The exercise tolerance of an older adult is impaired after a MI because of a low ejection fraction
Rank the following interventions that the nurse should use to assist this individual to restore baseline functional status in order of importance, beginning with the first intervention. A. Provide a well-balanced diet. B. Assist with range of motion. C. Sit in chair four times daily. D. Keep arterial oxygen saturation (SaO2) above 95%.
Due to increased left atrial pressure, a patient with mitral stenosis often suffers from:
A. Pulmonary congestion B. Hepatomegaly C. Jugular venous distension D. Ventricular tachycardia
You are caring for a patient newly diagnosed with cardiomyopathy. The patient asks you about the physiologic changes that accompany the diagnosis of cardiomyopathy
What would be important to stress about this disease process and what electrolyte imbalance it can lead to? A) Potassium B) Sodium C) Chloride D) Magnesium
When reviewing the laboratory values of a patient, which value would prompt the nurse to notify the physician?
A) Serum sodium 140 mEq/L B) Serum chloride 100 mEq/L C) Serum potassium 3.0 mEq/L D) Serum phosphorous 2.0 mEq/L