The development of paradoxical pulse in a patient following trauma or cardiothoracic surgery, especially in connection with increasing venous pressure and heart rate, suggests:

Blood ________ is determined by the presence or absence of type A antigen and type B antigen, located on the surface of red blood cells

a. count b. type c. pressure d. color

Which of the following establishes the foundation for good patient care?

A) Using active listening B) Providing appropriate reassurance C) Asking only open-ended questions D) Using common sense