Which cytochemical stain is useful in differentiating myeloblasts and lymphoblasts?

Solenoid valves on mechanical ventilators may be:

A) manually activated B) automated C) pressure activated D) all of the above

The diagnostic procedure that directs high-frequency sound waves through the skin over the area of the body being examined and produces an image based on the echoes is called ________.

A. ultrasound B. a CT scan C. nuclear medicine D. cholecystography E. an MRI