A nurse in the emergency department is assisting with the care of a client who has myasthenia gravis and is in crisis.
The nurse should identify that which of the following factors can cause a myasthenic crisis?.

Developing a respiratory infection.

Taking too much prescribed medication.

Insufficient sleep.

Insufficient exercise.

Answer and Explanation

The Correct Answer is A

Choice A rationale:

Developing a respiratory infection can indeed trigger a myasthenic crisis. Any form of stress on the body, including infections, can exacerbate symptoms.

Choice B rationale:

Taking too much prescribed medication is not typically a cause of myasthenic crisis. However, medication changes should always be managed carefully.

Choice C rationale:

Insufficient sleep can contribute to overall stress and fatigue, potentially exacerbating symptoms, but it is not a primary cause of myasthenic crisis.

Choice D rationale:

Insufficient exercise is not a known trigger for myasthenic crisis. While regular exercise can help manage symptoms, lack of exercise is not a direct cause.

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Free Nursing Study Resources

Correct Answer is ["0.5"]

Explanation

Step 1 is to determine the amount of lorazepam that needs to be administered, which is 1 mg.

Step 2 is to calculate the volume of lorazepam oral solution needed to deliver this dose. This is done using the formula:

Dose (mg) ÷ Concentration (mg/mL)

Given that the solution has a concentration of 2 mg/mL, we calculate:

1 mg ÷ 2 mg/mL = 0.5 mL

Therefore, the nurse should administer 0.5 mL of lorazepam oral solution.

Correct Answer is ["6"]

Explanation

Step 1 is to calculate the volume of medication to administer. The formula is desired dose ÷ available dose × available volume. So, (300 mg ÷ 250 mg) × 5 mL = 6 mL.

So, the correct answer is 6 mL.

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A nurse in the emergency department is assisting with the care of a client who has myasthenia gravis and is in crisis. The nurse should identify that which of the following factors can cause a myasthenic crisis?.

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer lorazepam 1 mg PO to an older adult client who has insomnia and who cannot swallow oral tablets. Available is lorazepam oral solution 2 mg/mL. How many mL should the nurse plan to administer? (Round to the nearest tenth. Use a leading zero if it applies.)

Correct Answer is ["0.5"]

Explanation

A nurse is preparing to administer amoxicillin 300 mg PO. The amount available is amoxicillin oral solution 250 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth/whole number. Use a leading zero if it applies.)

Correct Answer is ["6"]

Explanation

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A nurse in the emergency department is assisting with the care of a client who has myasthenia gravis and is in crisis.
The nurse should identify that which of the following factors can cause a myasthenic crisis?.