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What treatment may prove useful to the ALS patient who is struggling with ventilatory failure?


A) CPAP
B) Oxygen therapy by non-rebreathing mask
C) Ventilation at night with a body respirator
D) Intubation

Correct Answer

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Where are the peripheral chemoreceptors for respiration located?


A) Pons
B) Cerebral cortex
C) Carotid arteries and aorta
D) All the above

Correct Answer

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What breathing pattern is seen in patients with acute neuromuscular disease that weakens the muscles of breathing?


A) Deep and fast
B) Rapid and shallow
C) Slow and deep
D) Slow and shallow

Correct Answer

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Which of the following disorders represents a classic example of a disease that affects the neuromuscular junction?


A) Myasthenia gravis
B) Guillain-Barré syndrome
C) Polio
D) Amyotrophic lateral sclerosis

Correct Answer

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Your trauma patient has transection of his lumbar spinal cord at level L5.Which respiratory muscles will be affected?


A) Diaphragm
B) Sternomastoids
C) Scalenes
D) None of the above

Correct Answer

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Which of these are true regarding myasthenia gravis?


A) There is an approximately 2 to 1 female to male ratio
B) It is typically a descending paralysis
C) It may be diagnosed using the Tensilon test
D) All the above

Correct Answer

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The respiratory complications arising from neuromuscular conditions follow which of these sequences?


A) Respiratory muscle compromise →\to decrease in lung volumes →\to tachypnea →\to dyspnea →\to poor cough →\to inability to express secretions →\to mucus plugging →\to atelectasis →\to pneumonia
B) Decrease in lung volumes →\to respiratory muscle compromise →\to dyspnea →\to tachpnea →\to inability to express secretions →\to poor cough →\to mucus plugging →\to pneumonia →\to atelectasis
C) Either sequence is possible
D) Neither sequence is correct

Correct Answer

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What is the response of the central (medullary) chemoreceptors to hypoxemia?


A) None
B) Brisk in contrast to the peripheral chemoreceptors
C) Slower but more sustained response than the peripheral chemoreceptors
D) Response augmented when hypercapnia also present

Correct Answer

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