A nurse is preparing to administer a 2 mg IV bolus of morphine sulfate. Morphine sulfate is available in a concentration of 10 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.2"]
- Step 1: Identify the required dose in milligrams (mg). The nurse is scheduled to administer 2 mg of morphine sulfate.
- Step 2: Identify the concentration of the available solution. The available solution contains 10 mg of morphine sulfate per 1 mL.
- Step 3: Calculate the volume of solution needed to deliver the required dose. We can set up a proportion to solve for this:
- 10 mg is to 1 mL as 2 mg is to X mL.
- In other words, 10 mg : 1 mL = 2 mg : X mL.
- Step 4: Solve for X using cross-multiplication and division:
- Cross-multiplication gives us: 10 mg × X mL = 2 mg × 1 mL.
- Simplifying this gives us: 10X = 2.
- Dividing both sides by 10 gives us: X = 2 ÷ 10.
- Calculating the division gives us: X = 0.2.
So, the nurse should administer 0.2 mL of the morphine sulfate solution per dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: A heart murmur is not a common finding in right-sided heart failure unless there is an associated valvular heart disease.
Choice B reason: Dependent edema is a classic sign of right-sided heart failure due to the accumulation of fluid in the tissues, particularly in the lower extremities.
Choice C reason: Chest pain is more commonly associated with left-sided heart failure or other cardiac conditions such as angina.
Choice D reason: Crackles in the lungs are typically found in left-sided heart failure due to pulmonary congestion, not right-sided heart failure.
Correct Answer is B
Explanation
Choice A reason:
A headache is not typically an indication of an allergy to nitroglycerin. Allergic reactions are more likely to present with symptoms such as rash, itching, or difficulty breathing.
Choice B reason:Headaches are a well-known side effect of nitroglycerin, due to its vasodilating effects, which can cause dilation of cerebral arteries.
Choice C reason:While anxiety can cause headaches, in this context, where the client has taken nitroglycerin, it is more likely that the headache is a side effect of the medication rather than anxiety.
Choice D reason:Tolerance to medication would reduce the effectiveness of the drug, not typically cause a headache. The headache is a common side effect, not an indication of tolerance.
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