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What is defined as the process of identifying the nature and cause of illness?

The best way to describe the composite figure below is  

A composite figure is made up of simpler figures.

To find the area of a composite figure, calculate the areas of the simpler figures.  Multiply the two areas together.  Subtract the areas of any figures that were removed.

Which formula should be used to calculate the volume of a prism with a base that is a composite figure.    

The four steps of the FIRE framework are:

An ICU patient has become hypotensive.  Order:  Start Dopamine 6 mcg/kg/min; increase titration at 1 mcg/kg/min to maintain a systolic blood pressure of at least 100. The IV drip you have on hand is 400 mg Dopamine in D5W 100 ml. Your patient weighs 150 lbs. How many ml/hr will you set your flow rate? Record your answer using one decimal place. [BLANK-1] ml/hr

An IV of 1000 ml NS is running at 100 ml/hr.   How many hours will this IV run? Record your answer using a whole number. [BLANK-1] hours

The recommended IM dosage of Medication Z for children is 10 mg/kg/day in 2 equally divided doses.   How many mg will you give in one dose for a child weighing 42 kg? Record your answer using a whole number. [BLANK-1] mg

Order: 1000 ml D5 0.45 NS to infuse at 125 ml/hr. Start the IV fluids at 0900.   What time will it be completed? Using military time, record your answer to the nearest minute. Record your answer using whole numbers. [BLANK-1]