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. Gelatin allergies are not directly related to cardiac catheterization procedures, as iodine-based contrast media is typically used.
B. A yeast allergy is unrelated to the contrast dye or materials used in the procedure.
C. Egg allergies may be relevant to some medications or vaccines, but they are not typically a concern in cardiac catheterization.
D. Shellfish allergies are important because clients with shellfish allergies may also react to iodine-based contrast dyes commonly used in cardiac catheterization procedures.

A. Apply a cooling blanket B. Monitor daily weight C. Provide opioid medications on an as needed basis D. PTT levels

Correct Answer is B

Explanation

A. A cooling blanket is not typically needed unless there is a fever or postoperative temperature dysregulation, which is not a standard intervention in this case.
B. Monitoring daily weight is essential following valve replacement to detect fluid retention or heart failure, which can indicate compromised cardiac function.
C. Opioid medications may be necessary, but they should be prescribed according to the client’s pain needs rather than a routine intervention.
D. PTT levels are usually monitored for clients on anticoagulants, but since the client has a biologic valve, anticoagulation therapy is not always required as with mechanical valves.

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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?

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