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 ["B","C","E","F"]
Explanation
A. "I will look up at the ceiling when I swallow.". The recommended position for swallowing is typically sitting upright with the chin slightly tucked.
B. "I will have to stop watching television while I eat." This indicates an understanding of the importance of focusing on eating and avoiding distractions.
C. "My food will have to be the consistency of pudding." This indicates understanding of the Level 3 dysphagia diet, which requires foods to be moist and easily swallowed.
D. "I can have cream soups on this diet." While cream soups might seem like a good option, they can be too thick for a Level 3 dysphagia diet. The consistency should be more like a thin purée.
E. "I shouldn't drink liquids while I have food in my mouth." This demonstrates understanding of the importance of avoiding choking hazards.
F. "I won't be able to eat nuts anymore." This indicates understanding of the restrictions on hard, crunchy foods on a Level 3 dysphagia diet.
Correct Answer is D
Explanation
A. Jerking contractions of the head and neck is more indicative of seizures or other neurological conditions.
B. Pinpoint pupils can be associated with various conditions, including opioid overdose or pontine hemorrhage, but it's not specifically related to Babinski's sign.
C. Pronation of the arms is a general assessment finding, not specifically indicative of a neurological issue.
D. Dorsiflexion of the great toe is the classic response for Babinski's sign. It is an abnormal reflex indicating upper motor neuron damage.
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