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 D
Explanation
A. Intake and output:
Intake and output refer to monitoring the amount of fluids a person consumes (intake) and eliminates (output) through urine, feces, and other means. While tracking fluid intake and output is important, it may not provide a direct indication of excess fluid retention.
B. Pitting pedal edema:
Pitting pedal edema is swelling in the lower extremities, particularly the ankles and feet, that leaves an indentation (pit) when pressure is applied. This can be a sign of fluid retention but may not always be the earliest or most reliable indicator.
C. Crackles in the bases of the lungs:
Crackles or rales in the bases of the lungs can be indicative of pulmonary congestion, which may occur due to fluid accumulation. However, crackles alone may not always be specific to fluid overload and can be present in other respiratory conditions.
D. Daily weights:
Daily weights are a critical and sensitive measure for assessing fluid balance. Sudden weight gain, especially over a short period, can be a strong indicator of fluid retention. Monitoring weight on a daily basis helps to detect changes early, allowing for prompt intervention.
Correct Answer is D
Explanation
A. The client now has developed a myocardial infarction:
A myocardial infarction (heart attack) is characterized by prolonged ischemia leading to damage or death of heart muscle cells. While the symptoms described could be concerning for a heart attack, the term "myocardial infarction" would typically imply a more sustained and severe ischemic event.
B. The client has developed Prinzmetal's angina:
Prinzmetal's angina, also known as variant angina, is characterized by chest pain that usually occurs at rest and is caused by vasospasm of the coronary arteries. The given scenario does not specifically describe the typical characteristics of Prinzmetal's angina.
C. The client now has stable angina:
Stable angina typically follows a predictable pattern and is relieved with rest and/or nitroglycerin. However, the scenario describes a change in the usual pattern of chest pain.
D. The client now has unstable angina:
Unstable angina is characterized by a change in the usual pattern of stable angina, often occurring at rest or with minimal exertion and not relieved by usual measures. This option seems to align with the information provided.
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