Code for the excision of a kidney cyst

Theophylline and caffeine are examples of

a. ? agonists. b. methylxanthines. c. corticosteroids. d. anticholinergics.

Why are fire prevention bureaus good resources for homeland security and civil defense?

a . knowledge of fire department access roads. b. knowledge of local emergency egress and ingress c. special locking arrangements and systems knowledge d. all of the above