Which of the following are examples of whole medical systems?

Following a stem cell transplant, what steps are identified in the evaluation of engraftment of stem cells?

a. Chimerism studies, bone marrow M:E ratio, and cellularity b. CD34 enumeration of peripheral blood and bone marrow cellularity c. Absolute lymphocyte count, chimerism studies, and bone marrow cellularity d. Absolute neutrophil count enumeration, platelet count, and chimerism studies

Which of the following statements regarding the one-person bag-mask device technique is correct?

A. Bag-mask ventilations should be delivered every 2 seconds when the device is being operated by one person. B. The C-clamp method of holding the mask to the face is not effective when ventilating a patient with a bag-mask device. C. Adequate tidal volume is often difficult to achieve when one EMT is operating the bag-mask device. D. The bag-mask device delivers more tidal volume and a higher oxygen concentration than the mouth-to-mask technique.