A QRS interval greater than 0.12 seconds most often indicates that the origin is in the:

What is the first step in converting metric system units involving prefixes using Approach 1?

A) Determine the equivalence of the starting and target factors. B) Locate the starting prefix and the target prefix and note their corresponding factors. C) Locate the starting prefix and the target prefix and note their corresponding powers of 10. D) Set up an equation of ratios and cross-multiply.

Which of the following explains the difference between acidosis and alkalosis?

A) Acidosis is a condition in which an increase in acid impairs the enzymatic reaction, and alkalosis is a condition in which an increase in acid makes an enzymatic reaction more efficient. B) Acidosis is a condition in which the presence of an acid catalyzes an enzymatic reaction, and alkalosis is a condition in which the presence of a base catalyzes an enzymatic reaction. C) Acidosis is a condition in which the rate of an enzymatic reaction is decreased, and alkalosis is a condition in which the rate of an enzymatic reaction is increased. D) Acidosis is a condition in which too much acid is present, and alkalosis is a condition in which too little acid is present.