A substance that spontaneously releases ionizing radiation would be labeled a(n) _____ hazard classification under the UN Labeling System.

Blood pressure is measured in millimeters of ________ (mmHg)

A) blood B) lymph C) medicine D) mercury

Factors affecting a humidifier's performance include which of the following? 1. Surface area 2. Temperature 3. Time of contact 4. Outlet size

a. 1 and 3 only b. 1, 2, and 3 only c. 3 and 4 only d. 2, 3, and 4 only