Who coined the term “vaccine” in his seminal work on smallpox?

Of the 30 years in life expectancy gained in the United States from 1900-1999, public health improvements as outlined in the CDC’s “Ten Great Achievements in Public Health 1900-1999”, as opposed to advances in medical care, are believed to have contributed how many of those years?

A patient with a high level of motor activity runs from chair to chair and cries, “They’re coming! They’re coming!” The patient does not follow instructions or respond to verbal interventions from staff. The initial nursing intervention of highest priority is to:

The width of a standard racquetball court is 6.1{“version”:”1.1″,”math”:”6.1″} meters.  Convert the width to centimeters. 

The double line graph below shows the number of patients who used Urgent Care services and Emergency Room services during a particular week at a small hospital.  Which day of the week had the fewest number of total patients visiting the emergency room and urgent care? 

In the sketch below, △ABC{“version”:”1.1″,”math”:”△ABC”} is similar to △XYZ{“version”:”1.1″,”math”:”△XYZ”}.  Find the length of side b{“version”:”1.1″,”math”:”b”}. 

Convert: 4{“version”:”1.1″,”math”:”4″} miles = __________ kilometers  (Round your answer to the nearest tenth.)

Solve the following equation: 4x+16=84{“version”:”1.1″,”math”:”4x+16=84″}

Convert: 100°F{“version”:”1.1″,”math”:”100°F”} = __________ °C{“version”:”1.1″,”math”:”°C”}  (Round your answer to the nearest tenth.) 

The following data set represents the ACT scores for students in Mrs. Smith’s college science class.  183216231921282922301921{“version”:”1.1″,”math”:”183216231921282922301921″} What is the range for the ACT scores for the class?