________ is potassium deficit in the bloodstream

Why might you consider contacting medical direction before applying a tourniquet in the case of uncontrollable bleeding from an AV fistula?

A) Hemodialysis anticoagulants may make bleeding more severe. B) The patient may be in danger of losing the limb. C) Medical direction should be contacted before any use of tourniquets by the EMT. D) Damage to the fistula may occur.

An assessment finding of strong chemical odor hours later and stained clothing indicates which of the following substances of abuse?

A) PCP B) Inhalants C) Opioids D) Ketamine