Which of the following medications is an example of a xanthine derivative?

theophylline
salmeterol
terbutaline
epinephrine

theophylline

Rationale: Theophylline is a xanthine derivative. Salmeterol and terbutaline are beta-2 adrenergic receptor agonists. Epinephrine is a catecholamine.

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When performing a sliding transfer using a sheet, the PT/PTA grasps the sheet with the forearm:

a. pronated. b. supinated.

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Define each of the following terms:

leukocyte

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