Substances That Do Not Undergo a Permanent Change When Stretched

question 43

Multiple Choice

Substances that do not undergo a permanent change when stretched are called

• A) monomers.
• B) elastomers.
• C) polymers.
• D) plastics.

---

Definitions:

Sedimentation Rate

A blood test that measures how quickly red blood cells settle at the bottom of a test tube, indicating the presence of inflammation in the body.

Fibrin

A fibrous, non-globular protein involved in the clotting of blood, formed by the action of the enzyme thrombin on fibrinogen.

Leukapheresis

A medical procedure that involves the separation and removal of white blood cells from the blood.

Erythrocyte Sedimentation Rate (ESR)

A blood test that measures how quickly erythrocytes (red blood cells) settle at the bottom of a test tube that contains a blood sample.