_______________ Is a Naturally Occurring Substance That Is Potentially Toxic

question 21

Multiple Choice

_______________ is a naturally occurring substance that is potentially toxic to people.

• A)DDE
• B)Radon
• C)Carbon dioxide
• D)Bisphenol A (BPA)
• E)PCB

---

Definitions:

Anticoagulant

A substance that prevents blood from clotting, used in medical treatment to prevent blood clots from forming or growing larger.

Plasma

The liquid component of blood in which blood cells are suspended, consisting mainly of water, proteins, and dissolved substances.

Palpation

The technique of examination using the fingers or hands.

Tourniquet

A tourniquet is a device used to apply pressure to a limb or extremity to restrict blood flow, often in medical emergencies to control bleeding.