Blood collected for a patient's lithium level cannot be collected in a green-topped tube containing ________ heparin

Biopharmaceuticals are derived from life forms existing in nature, produced by:

A) Means other than direct extraction from a biological source. B) Direct extraction from a biological source. C) Synthesizing imitations of biological sources. D) Extracting synthetic substances from biological sources.

The lining in body cavities that handles air transport, usually containing small, mucous-secreting cells, is called ________________________________________ ________________________________________

Fill in the blank(s) with correct word