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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. A respiratory therapist focuses on breathing and airway management, which is not the primary concern for a client needing strengthening after a stroke.
B. An occupational therapist helps clients with daily living activities and fine motor skills, but the focus on strengthening the affected side is more specific to physical therapy.
C. A physical therapist specializes in developing and implementing exercise programs to strengthen muscles and improve mobility, making this the most appropriate referral for the client's needs.
D. A social worker assists with emotional and social needs but would not focus on physical rehabilitation after a stroke.
Correct Answer is C
Explanation
A. A QRS interval of 0.08 second is within the normal range and does not indicate a myocardial infarction.
B. A PR interval of 0.15 second is normal and not indicative of an acute myocardial infarction.
C. ST-segment elevation above the isoelectric line is a key indicator of an acute myocardial infarction (STEMI), signifying myocardial injury.
D. The QT interval being equal to the R to R interval is not a specific indicator of myocardial infarction.
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