A nurse is caring for a client who is scheduled for a Tensilon challenge test to check for myasthenia gravis. Which of the following findings should the nurse identify as a positive result?

Muscle strength becomes temporarily stronger.

A "pill-rolling" tremor appears.

Electrical charge in the muscle increases in intensity.

Muscle strength shows no change.

Answer and Explanation

The Correct Answer is A

A. A positive result in a Tensilon test is indicated by a temporary improvement in muscle strength following the administration of edrophonium (Tensilon), confirming the diagnosis of myasthenia gravis.
B. A "pill-rolling" tremor is associated with Parkinson's disease, not myasthenia gravis, and is not relevant to this test.
C. While muscle electrical activity can be assessed in other tests, the Tensilon test specifically evaluates muscle strength changes, not electrical charge intensity.
D. No change in muscle strength would suggest a negative result for myasthenia gravis, indicating that the test did not confirm the diagnosis.

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Correct Answer is D

Explanation

A. Wearing gloves when removing food from the freezer is appropriate and helps prevent exposure to cold, which can trigger symptoms of Raynaud's phenomenon.
B. Completing a smoking cessation program is beneficial, as smoking can exacerbate symptoms of Raynaud's.
C. Avoiding stressful situations is advisable since stress can trigger vasoconstriction and exacerbate symptoms.
D. Keeping the house at a cool temperature is not recommended, as cold environments can provoke Raynaud's symptoms; the client should aim to maintain a warm environment to minimize triggers.

A. Nicardipine B. Phenytoin C. Dopamine D. Mannitol

Correct Answer is D

Explanation

A. Nicardipine is a calcium channel blocker primarily used to manage blood pressure but does not directly reduce ICP.
B. Phenytoin is an anticonvulsant used to prevent seizures, which may occur after a hemorrhage, but it does not address increased ICP.
C. Dopamine is used to increase blood pressure and cardiac output but does not play a role in reducing ICP.
D. Mannitol is an osmotic diuretic that helps decrease ICP by drawing fluid from brain tissue into the bloodstream, thus relieving pressure within the skull. It is the most appropriate intervention for managing increased ICP.

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A nurse is caring for a client who is scheduled for a Tensilon challenge test to check for myasthenia gravis. Which of the following findings should the nurse identify as a positive result?

Nursing Test Bank

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