A client is ordered to receive 4 g of a medication. The pharmacy has the medication available in a concentration of 160 mg per 5 mL. How many mL should the client receive?
The Correct Answer is ["125"]
To calculate the amount of mL that the client should receive, we need to use the formula:
mL = (g * 5 mL) / mg
where g is the ordered dose of the medication, mg is the concentration of the medication, and mL is the volume of the solution.
Plugging in the given values, we get:
mL = (4 g * 5 mL) / 160 mg
Simplifying, we get:
mL = 0.125 g/mL
Multiplying by 1000 to convert grams to milligrams, we get:
mL = 125 mg/mL
Therefore, the client should receive 125 mL of the solution.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Frequent change of position:
Frequent changes in position help prevent pooling of secretions and promote lung expansion. This simple and cost-effective measure is important in preventing complications related to immobility, such as pneumonia and atelectasis. It aids in maintaining optimal respiratory function.
B. Antibiotics: Antibiotics are used to treat bacterial infections and would not directly address the risks associated with decreased mobility.
C. Oxygen humidification: While oxygen therapy may be necessary in some cases, humidification is typically used to prevent drying of mucous membranes and is not a primary intervention for preventing complications of decreased mobility.
D. Chest physiotherapy: Chest physiotherapy involves techniques to mobilize respiratory secretions and may be indicated in specific situations. However, it is not as simple and cost-effective as frequent changes in position.
Correct Answer is B
Explanation
A. The development of chronic obstructive pulmonary disease (COPD)
Explanation: The signs and symptoms described, including crackles, orthopnea, S3 heart sound, cough with pink, frothy sputum, and low pulse oximetry, are more indicative of heart failure than COPD.
B. The development of left-sided heart failure
Explanation: This is the correct answer. The signs and symptoms, such as crackles, orthopnea, and cough with pink, frothy sputum, are characteristic of left-sided heart failure. The S3 heart sound is often associated with increased ventricular filling pressures.
C. The development of right-sided heart failure
Explanation: The presented signs and symptoms are more consistent with left-sided heart failure. Right-sided heart failure is often associated with peripheral edema, hepatomegaly, and jugular venous distension.
D. The development of cor pulmonale
Explanation: Cor pulmonale is typically associated with right-sided heart failure due to chronic lung disease. The signs and symptoms described are more indicative of left-sided heart failure.
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