Gentile's learning stages model indicates that in the second stage of learning, one goal of the learner is related specifically to closed skills. This goal is called:

Which of the following should be used to protect a patient during extrication?

A) Plastic blanket B) Goggles C) Netting D) None of the above

What is the single MOST important factor in determining the ultimate strength of concrete?

A. Aggregates B. Admixtures C. Reinforced concrete D. Water-to-cement ratio