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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?.

A.

Developing a respiratory infection.

B.

Taking too much prescribed medication.

C.

Insufficient sleep.

D.

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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Related Questions

Correct Answer is ["10"]

Explanation

Step 1: Determine the Medication Concentration

  • The total amount of medication in the solution is 250 mg.
  • The total volume of the solution is 5 mL.
  • To find the concentration per mL:
    250 mg ÷ 5 mL = 50 mg/mL

Step 2: Determine the Required Volume

  • The prescribed dose is 500 mg.
  • To find the volume needed:
    500 mg ÷ 50 mg/mL = 10 mL

Thus, the nurse should administer 10 mL of the solution to deliver the required 500 mg dose.

Correct Answer is ["6"]

Explanation

Step 1 is to determine the amount of haloperidol lactate that needs to be administered, which is 12 mg.

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

Dose (mg) ÷ Concentration (mg/mL)

Given that the available concentration is 2 mg/mL, we calculate:

12 mg ÷ 2 mg/mL = 6 mL

Therefore, the nurse should administer 6 mL of the haloperidol oral solution.

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