Physician orders Cardizem to infuse at 10 mg/hr. Available is Cardizem 125 mg in 100 ml D5W. What is the rate in ml/hr?
8
25
13
7
The Correct Answer is A
A. To calculate the infusion rate: 125 mg in 100 ml = 1.25 mg/ml. Required: 10 mg/hr ÷ 1.25 mg/ml = 8 ml/hr.
B. To calculate the infusion rate: 125 mg in 100 ml = 1.25 mg/ml. Required: 10 mg/hr ÷ 1.25 mg/ml = 8 ml/hr.
C. To calculate the infusion rate: 125 mg in 100 ml = 1.25 mg/ml. Required: 10 mg/hr ÷ 1.25 mg/ml = 8 ml/hr.
D. To calculate the infusion rate: 125 mg in 100 ml = 1.25 mg/ml. Required: 10 mg/hr ÷ 1.25 mg/ml = 8 ml/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. A reduction in lump size and pain with oral contraceptives is expected and does not indicate a need to change the treatment plan.
B. Increased lump pain before menstruation is typical for fibrocystic changes and not a cause for concern.
C. Firm, movable lumps in the upper outer breast quadrants are characteristic of fibrocystic changes and do not suggest an alternative condition.
D. An area that is hot, pink, and tender indicates inflammation or possible infection (e.g., mastitis or abscess), requiring further evaluation and potentially altering the treatment plan.
Correct Answer is A
Explanation
A. Tight shoes may indicate fluid retention in the lower extremities, which is a common symptom of right-sided heart failure. This condition leads to the backup of blood into the systemic circulation, causing peripheral edema.
B. Sleeping with two pillows may indicate left-sided heart failure, as the client may be experiencing orthopnea (difficulty breathing when lying flat).
C. Shortness of breath is more commonly associated with left-sided heart failure.
D. Waking up coughing every night is also a sign of left-sided heart failure, where pulmonary congestion leads to nocturnal coughing.
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