Which of the following subtypes of PNH is characterized by moderate hemolysis and intermediate GPI expression?

The area under the curve of a single-breath carbon dioxide (SBCO2) curve represents which of the following?

a. Tidal volume b. Alveolar dead space c. Physiologic dead space d. Effective alveolar ventilation

The most appropriate way for a highly contagious patient to be seen in a medical office is to 

A. schedule all highly contagious patients to be in the reception area at the same time. B. have a well-ventilated reception room. C. put the highly contagious patients in one corner of the reception area. D. bring the highly contagious patient directly into the examination room to wait.