Exam 32: Neuromuscular and Other Diseases of the Chest Wall

Which of the following is a clinical condition that typically does not precipitate rapid respiratory failure in patients with significant neuromuscular weakness?

Which of the following criteria for weaning a patient with Guillain-Barré syndrome from mechanical ventilation have shown to be predictive of weaning success? 1) VC greater than 18 ml/kg 2) Transdiaphragmatic pressures greater than 31 cm H₂O 3) PImax greater than 30 cm H₂O 4) Cardiac output above 2.0 L/min

Which of the following is not a clinical condition that precipitates respiratory failure rapidly in patients with significant neuromuscular weakness?

Patients with respiratory muscle weakness due to neuromuscular disease may initially report with which of the following symptoms? 1) Exertional dyspnea 2) Fatigue 3) Oliguria 4) Orthopnea

Which of the following would not be considered a common pulmonary consequence of neuromuscular disease?

What is the mortality rate for Guillain-Barré syndrome?

In what group of patients is myasthenia gravis most common?

Disorders of the neuromuscular junction include which of the following? 1) Lambert-Eaton syndrome 2) Myasthenia gravis 3) Dermatomyositis 4) Tetanus, botulism

Pulmonary function testing in patients with neuromuscular weakness would show normal values for which of the following?

A decrease in forced expiratory volume in 1 second (FEV₁) and vital capacity (VC) of greater than 20% when a patient moves from the seated to the supine position is suggestive of which of the following?

Nerve conduction studies are most helpful in the clinical diagnosis of which of the following?

What finding is associated with Duchenne muscular dystrophy?

Respiratory muscle weakness is associated with which of the following abnormalities? 1) Pulmonary embolism 2) Ventilatory insufficiency 3) Hypoxemia 4) Atelectasis

At what level do the nerves that innervate the diaphragm exit the spine?

Which of the following is not a pulmonary complication frequently associated with flail chest?

In myasthenia gravis, which two pulmonary function values are the most sensitive in detecting respiratory muscle weakness? 1) TLC and VC 2) PImax and PEmax 3) VC and expired volume per unit time (V_E) 4) VC and tidal volume (V_T)

What treatment strategies have improved the outcome in Guillain-Barré syndrome?

What is the hallmark finding of diaphragm paralysis?

Lambert-Eaton syndrome is characterized by which of the following?

What is the most common peripheral neuropathy causing respiratory insufficiency?