Emily, 25, shows signs of ptosis, dysphagia, and respiratory distress. The tensilon test is positive, and her ABG shows a PaO2 of 70 mmHg. What is the most immediate nursing intervention?

Initiate mechanical ventilation

Administer high-dose corticosteroids

Administer neostigmine

Provide supplemental oxygen

Answer and Explanation

The Correct Answer is A

A.   Emily is showing signs of myasthenic crisis, a life-threatening condition characterized by severe weakness of respiratory muscles. Initiating mechanical ventilation is the most immediate intervention to ensure adequate oxygenation and ventilation.
B.   Administering high-dose corticosteroids may be part of the treatment for myasthenia gravis but would not address the immediate need for respiratory support.
C.   Neostigmine is a medication used to treat myasthenia gravis but may not provide rapid relief in a crisis situation.
D.   Providing supplemental oxygen may help temporarily but would not address the underlying respiratory muscle weakness and need for mechanical ventilation.

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Correct Answer is A, B, C, D

No explanation

A. Alveolar macrophages B. Mucociliary clearance system C. Reflex bronchoconstriction D. Filtration of air

Correct Answer is C

Explanation

A. Alveolar macrophages are involved in immune defense within the lungs but are not directly responsible for bronchospasm.
B. This system helps remove mucus and trapped particles from the airways but does not directly cause bronchospasm.

C. Exposure to cold air can trigger reflex bronchoconstriction as a protective mechanism to prevent the entry of cold air into the lungs.
D. Filtration of air occurs primarily in the upper airways and does not directly relate to bronchospasm triggered by cold air inhalation.

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Emily, 25, shows signs of ptosis, dysphagia, and respiratory distress. The tensilon test is positive, and her ABG shows a PaO2 of 70 mmHg. What is the most immediate nursing intervention?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is A, B, C, D

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Correct Answer is C

Explanation

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