What is the normal PO2 in the umbilical arteries?

All of the following have a higher risk of developing breast cancer EXCEPT __________

a. early menopause b. family history c. hormonal influence d. late menopause

During an incident involving a building collapse, a paramedic is assigned eight rescuers to function under his authority. However, as the incident progresses, the paramedic finds that he is unable to effectively manage the personnel assigned to him. He should:

A) send two of the rescuers to the triage section since this is where they will most likely be needed. B) transfer authority to one of the rescuers assigned to him and then follow that person's directions. C) divide tasks and delegate supervision of some tasks to one or more of the rescuers assigned to him. D) release half of the rescuers assigned to him and instruct them to report directly to the incident commander.