A patient, with a history of COPD, is breathing 32 times a minute. Her vital signs are: pulse 140, blood pressure 168/102, and SpO2 98% on room air. You would classify this as:

Which of the following statements regarding trench rescue is correct?

A. Rescue vehicles should park at least 250? from the scene. B. Ground vibration is a primary cause of secondary collapse. C. A trench deeper than 10? should be shored prior to entry. D. Most deaths involving cave-ins are caused by head injury.

The hormone _______________ causes the uterine lining to thicken. 

Fill in the blank(s) with the appropriate word(s).