When investigating a vendor, you should obtain information on pricing, quality, payment policies, and _______________, or availability of products, delivery time and procedures, and damaged-goods policy. 

When using the wide-area-search method, knots tied behind each ring indicate:

A. distance from end of the line. B. distance from beginning of the line. C. distance left before a ring is needed. D. distance left before a new knot is needed.

Metered dose inhalers, nebulizers, and dry powder inhalers are commonly used devices for administration of inhaled medications. They contain which of the following anti-inflammatory drugs?

A) leukotriene inhibitors B) mast cell stabilizers C) glutocorticoids D) B and C