The nurse is preparing to care for a patient who has myasthenia gravis. The nurse will be alert to symptoms affecting which body system in this patient?
a. Cardiovascular system and postural muscles
b. Central nervous system (CNS), memory, and cognition
c. Gastrointestinal system (GI) and lower extremity muscles
d. Respiratory system and facial muscles
ANS: D
Myasthenia gravis causes fatigue and muscular weakness of the respiratory system, facial muscles, and extremities. It does not directly affect the cardiovascular system, CNS, or GI systems.
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A) True B) False