Correct!
5. All of the above

The patient’s case is relatively strange. He has a radiographic pneumonia with mild respiratory acidosis and shortness of breath with even mild exertion. Bedside spirometry was ordered (Figure 3).

Figure 3. Patient’s bedside spirometry.

Which of the following is/are true? (Click on the correct answer to be directed to the fourth of six pages).

1. The markedly reduced MIP suggest neuromuscular disease
2. The restrictive lung disease seen with the patient’s spirometry is highly suggested of COVID-19 pneumonia
3. A repeat troponin, a creatinine kinase and an anti–acetylcholine receptor (AChR) antibody (Ab) test should be ordered
4. 1 and 3
5. All of the above

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