When assessing a patient you note a bruise on the chest. Another word for documenting a bruise is:

Which agency establishes PELs for chemicals?

a. NIOSH b. EPA c. OSHA d. NFPA

A voltage difference of 18.7 mV is measured when a blood sample is being analyzed for pH. What is the resultant pH of the blood?

a. 7.54 c. 7.14 b. 7.34 d. 8.71