The client is scheduled to receive 30 grams of lactulose orally every 12 hours. An oral solution containing 5 g/10 mL is available. How many mL should be poured into the medication cup to administer the required dose?
The Correct Answer is ["60"]
- Step 1: Identify the required dose in grams. The client is scheduled to receive 30 grams of lactulose.
- Step 2: Identify the concentration of the available solution. The available solution contains 5 grams of lactulose per 10 mL.
- Step 3: Calculate the volume of solution needed to deliver the required dose. We can set up a proportion to solve for this:
- 5 grams is to 10 mL as 30 grams is to X mL.
- In other words, 5 g : 10 mL = 30 g : X mL.
- Step 4: Solve for X using cross-multiplication and division:
- Cross-multiplication gives us: 5 g × X mL = 30 g × 10 mL.
- Simplifying this gives us: 5X = 300.
- Dividing both sides by 5 gives us: X = 300 ÷ 5.
- Calculating the division gives us: X = 60.
60 mL of the lactulose solution should be poured into the medication cup to administer the required dose of 30 grams.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A. An embolic stroke is caused by an embolus, often a blood clot, that travels to the brain from another part of the body. It does not typically present with a sudden, severe headache.
Choice B. A thrombotic stroke occurs when a blood clot forms inside one of the brain's arteries. While it can cause a headache, it is not usually characterized by a sudden, severe headache.
Choice C. A transient ischemic attack (TIA) is often called a mini-stroke and symptoms are temporary. A sudden, severe headache is more indicative of a hemorrhagic stroke.
Choice D. A hemorrhagic stroke, which involves bleeding within the brain, is most likely to cause a sudden, severe headache, and can lead to seizures and changes in consciousness.
Correct Answer is D
Explanation
Choice A reason:Cardiac enzyme studies do not provide information about the heart's structure or the mobility of the heart valves; imaging studies are used for that purpose.
Choice B reason:While cardiac enzymes indicate damage to heart tissues, they do not pinpoint the exact location of an MI; imaging studies are needed for localization.
Choice C reason:Cardiac enzymes are not used to diagnose pulmonary congestion; they are specific markers for myocardial injury.
Choice D reason:Cardiac enzyme levels, such as troponin, rise when there is damage to the heart muscle, which is why they are used to assess the degree of damage after an MI.
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