Which measurement system does not use commas until there are five digits in the number?

The most effective drugs for reducing LDL and cholesterol levels are:

A) HMG-CoA reductase inhibitors B) fibric acid derivatives C) bile acid sequestrants D) nicotinic acids

Which is the first step in setting standards?

A) Take team and managerial action
B) Analyze data
C) Capture data
D) Determine significant variations