The device that sits over the oxygen port and serves as a gasket ...

[jace]

The device that sits over the oxygen port and serves as a gasket and ensures an airtight seal between the regulator and the tank valve is the:
 
  a. O ring.
  b. G ring.
  c. regulator.
  d. expander.

Question 2

A patient has been shot three times in the abdomen and has massive internal hemorrhage and blood loss. What will best give this patient a chance at survival?
 
  A) High-concentration oxygen
  B) Stopping the bleeding
  C) Positive pressure ventilation
  D) Paramedic intervention for pain management

[tsternbergh47]

Answer to Question 1

a

Answer to Question 2

B

[jace]

Thanks for the timely response, appreciate it

[Chelseyj.hasty]

Excellent