Which type of bow has a rifle-like stock and shoot shorter arrows ("bolts")?

Signs and/or symptoms of a dissecting thoracic aneurysm include all of the following EXCEPT:

A) hypotension. B) chest pain. C) palpable pulsating mass. D) difficulty breathing.

For which of the following reasons is midazolam (Versed) used for moderate sedation?

a. reduce apprehension and anxiety b. decrease pain threshold c. increase pain awareness d. increase amnesia effect