The respiratory therapist is called to the neurologic care unit to assess the muscle strength of a patient diagnosed with myasthenia gravis. Which of the following tests should the therapist recommend to assess respiratory muscle strength?
a. Maximum inspiratory pressure (MIP)
b. Maximum inspiratory flow rate (MIFR)
c. Maximum expiratory flow rate (MEFR)
d. Vital capacity (VC)
A
The most commonly used tests to evaluate the patient's respiratory muscle strength at the bedside are maximum inspiratory pressure (MIP) and maximum expiratory pressure (MEP), forced vital capacity (FVC), and maximum voluntary ventilation (MVV).
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