The type of leukocyte responsible for recognizing foreign antigens, producing antibodies, and developing memory is the _______.

Physiology is the study of:

A) body systems. B) exercise and nutrition. C) body structures. D) muscles and movement.

You and the critical care transport team are taking a critically ill patient to another hospital. Among many IV infusions and monitors, the patient is also on a ventilator. You note that the FDO2 is set at 0.50. What does this mean?

A) Fifty percent of the patient's respirations are provided by the ventilator B) Ventilations are provided when the patient breathes fewer than 50 times per minute C) Oxygen is not provided by the ventilator until the patient's pulse oximetry drops below 50% D) The provided oxygen concentration is set at 50 percent