You have 3 mg/mL of active ingredient; what is the percent solution of this medication?

You are called to a patient with severe shortness of breath. Upon arrival, you find your patient in the tripod position, with pursed lips and audible wheezing. SpO2 is at 89% and capnography shows a "shark fin" pattern with an ETCO2 of 50. You should:

A) administer a beta agonist. B) administer a beta antagonist. C) administer an alpha antagonist. D) administer an alpha agonist.

How does wearing PPE affect the body's ability to regulate temperature?

a. heat in efficiently conducted from the skin to the shell b. cool SCBA cylinder air improves respiratory cooling c. the perspiration-soaked inner liner enhances cooling by convection d. PPE prevents evaporative cooling