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The nurse plans to administer naloxone 1 mg. The label of the 10 mL vial indicates that the drug concentration is 0.4 mg/mL. How many mL should the nurse administer?
(Enter numeric value only. If rounding is required, round to the nearest tenth.)

Answer and Explanation

The Correct Answer is ["2.5"]

To find the volume of the solution needed, the nurse can use the formula:

Volume (mL) = Dose (mg) / Concentration (mg/mL)

Substituting the given values, we get:

Volume (mL) = 1 mg / 0.4 mg/mL

Simplifying, we get:

Volume (mL) = 2.5 mL

Therefore, the nurse should administer 2.5 mL of naloxone to give a dose of 1 mg.

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Correct Answer is C

Explanation

Choice A Reason: This is incorrect because regular exercise is a beneficial lifestyle modification for preventing and managing cardiac disease, but it is not the most important one. Smoking cessation has a greater impact on reducing the risk of cardiovascular events and mortality.

Choice B Reason: This is incorrect because stress reduction is a helpful lifestyle modification for preventing and managing cardiac disease, but it is not the most important one. Smoking cessation has a more direct effect on improving the function and structure of the blood vessels and heart.

Choice C Reason: This is correct because smoking cessation is the most important lifestyle modification for preventing and managing cardiac disease, as smoking is a major modifiable risk factor that can cause atherosclerosis, hypertension, arrhythmias, thrombosis, and myocardial infarction.

Choice D Reason: This is incorrect because a low-fat diet is a useful lifestyle modification for preventing and managing cardiac disease, but it is not the most important one. Smoking cessation has a stronger influence on lowering the levels of cholesterol and inflammation in the blood.

A. Decrease the flow rate to 1 L/minute. B. Place padding around the cannula tubing. C. Apply lubricant to the cannula tubing. D. Discontinue the use of the nasal cannula.

Correct Answer is B

Explanation

Choice A Reason: This is incorrect because decreasing the flow rate to 1 L/minute can compromise the client's oxygenation and worsen hypoxia. The client's oxygen saturation level is below the normal range of 95% to 100%.

Choice B Reason: This is correct because placing padding around the cannula tubing can prevent pressure ulcers and skin breakdown caused by friction and irritation from the tubing.

Choice C Reason: This is incorrect because applying lubricant to the cannula tubing can increase the risk of infection and inflammation of the nasal mucosa. Lubricant should be applied sparingly to the nares only if needed.

Choice D Reason: This is incorrect because discontinuing the use of the nasal cannula can endanger the client's life and cause respiratory failure. The client needs supplemental oxygen to maintain adequate oxygenation.

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The nurse plans to administer naloxone 1 mg. The label of the 10 mL vial indicates that the drug concentration is 0.4 mg/mL. How many mL should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client with a family history of cardiac disease is seeking information to control risk factors. Which lifestyle modification is most important for the nurse to encourage?

Correct Answer is C

Explanation

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Correct Answer is B

Explanation

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The nurse plans to administer naloxone 1 mg. The label of the 10 mL vial indicates that the drug concentration is 0.4 mg/mL. How many mL should the nurse administer?
(Enter numeric value only. If rounding is required, round to the nearest tenth.)