A nurse is caring for a client who has a suspected diagnosis of myasthenia gravis. The provider prescribes a Tensilon test. Which of the following findings indicates a positive test?

Muscle strength shows no change.

Muscle contractions become progressively stronger.

Electrical charge in a muscle increases in intensity.

A pill-rolling tremor appears.

Answer and Explanation

The Correct Answer is B

A.   If there is no change in muscle strength after the Tensilon test, it indicates a negative result for myasthenia gravis.
B.   Muscle contractions become progressively stronger is a positive result for myasthenia gravis. Tensilon temporarily improves muscle strength in patients with this condition.
C.   Electrical charge in a muscle increases in intensity is not a relevant parameter for the Tensilon test.
D.   A pill-rolling tremor appears is a symptom of Parkinson's disease, not myasthenia gravis.

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Correct Answer is B

Explanation

A. Pupils round, 2mm and constricting to light is a normal pupil response.
B. Decreasing level of consciousness is a critical sign of deteriorating neurological status and requires immediate medical intervention.
C. Temporal headache is a common symptom after head injury but it is not as urgent as a decreasing level of consciousness.
D. Glasgow coma score of 13 indicates a mild to moderate head injury, but it's a static measurement. A decreasing level of consciousness would indicate worsening condition.

Correct Answer is ["0.5"]

Explanation

Volume = Dose / Concentration. The dose required is 35 mg, and the concentration available is 75 mg/mL.

35 mg divided by 75 mg/mL, which equals 0.4667 mL. When rounded to the nearest tenth, this is 0.5 mL.

Therefore, the nurse should administer 0.5 mL of meperidine injection per dose.

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A nurse is caring for a client who has a suspected diagnosis of myasthenia gravis. The provider prescribes a Tensilon test. Which of the following findings indicates a positive test?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client arrives to the emergency department by ambulance. The client has a possible traumatic brain injury after a fall from a roof. Which of the following assessment findings will the triage nurse report to the provider immediately?

Correct Answer is B

Explanation

A nurse is preparing to administer meperidine 35 mg IM to a client every 6 hr PRN for pain. Available is meperidine injection 75 mg/mL. How m 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.)

Correct Answer is ["0.5"]

Explanation

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