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.
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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Related Questions
Correct Answer is D
Explanation
A. Heparin can be used to manage DIC but it's not a lifelong treatment and is part of a complex management plan.
B. DIC actually leads to a decreased platelet count due to excessive clotting.
C. DIC is an acquired condition, not a genetic one, and while vitamin K is involved in clotting, it's not the primary cause of DIC.
D. DIC is a complex disorder involving uncontrolled clotting and bleeding due to the depletion of clotting factors, including fibrinogen.
Correct Answer is A
Explanation
A. This is crucial before administering digoxin. Digoxin slows down the heart rate, and if it's already too slow, administering the medication could be dangerous.
B. Monitoring blood pressure is important for patients on digoxin. However, it's not the priority before administration.
C. This is not necessary before administering digoxin.
D. Weight can influence digoxin dosage but it's not a prerequisite before each administration.
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