Which of the following stream patterns is used to extinguish fires in attics, cocklofts, basements, and other confined spaces?

You observe your partner correctly obtaining a patient's blood pressure when he:

A) inflates the cuff maximally prior to slowly deflating and listening for a pulse. B) deflates the cuff 2 mmHg per second while listening with a stethoscope. C) stops inflation and starts deflation as soon as the radial pulse disappears. D) places the stethoscope under the cuff and deflates it.

The presence of cartilage in the trachea:

A. helps warm incoming air. B. filters out bacteria. C. provides rigidity. D. prevents food from entering the lungs.