Convert the following to the designated units.a. 3 meters to inches (to nearest inch)b. 10 miles/hour to feet/seconds (to nearest tenth)c. 500 grams to pounds

The thoracic cavity contains the heart and ________

a. brain b. abdomen c. lungs d. spine

When is the first dose of the vaccine for hepatitis B given? 

A. The day after birth B. Age 2 years C. Age 5 years D. Age 8 years E. Age 16 years