Which of the following are considered to be precordial leads?
 
Lead I, II, IIIaVR, aVL, aVFV1, V2, V3, V4, V5, V6

Interviewer training and monitoring are important aspects of conducting a survey because they:

a. Ensure interviewers have mastered important skills such as being non-judgmental b. Promote standardization of survey administration. c. Ensure that respondents have similar experiences regardless of where or by whom they are interviewed d. All of the above e. None of the above

Which president outlined a 10- year plan that would ensure most Americans to have electronic health records?

A. Barack Obama B. George W. Bush C. Bill Clinton D. Ronald Reagan