A(n) ________ standpipe system contains piping that is filled with air and does not have a water supply connected to it

A 63-year-old male is alert and oriented, complaining of dizziness. He describes an acute onset of dizziness and near-syncope that has lasted for 15 minutes. He is also experiencing substernal chest pain radiating to his jaw, as well as nausea and weakness. Physical examination reveals cool, diaphoretic skin; delayed capillary refill; and mild crackles to the bases bilaterally. He has no

significant medical history, but he takes 325 mg of aspirin a day. HR = 220, BP = 88/52, RR = 16, SaO2 = 92%. Which of the following should be done first? A) Start an IV of normal saline B) Synchronized cardioversion C) Oxygen by nonrebreathing mask D) Administer 0.4 mg of nitroglycerin sublingually

AV dissociation is a feature of:

A) First Degree Heart Block. B) Wenckebach (Type I Second Degree Heart Block). C) Type II Second Degree Heart Block. D) Third Degree Heart Block.