When assessing a patient, you note a bruise to his chest. On the prehospital care report, this injury is properly documented as:

A 79-year-old woman tells you that she fell and now has severe pain in her right hip. Which one of the following questions will help you the most in determining the nature of the problem?

A) What happened to cause you to fall? B) Do you have a history of cardiac problems? C) Have you broken your hip before? D) What is your usual blood pressure?

A flow instrument printout reveals a single scatter population of small size and low complexity. Ninety percent of the cells in that population have CD2 on their surface. What is the most probable lineage of the unknown population?

a. NK cells b. T cells c. B cells d. Monocytes