For the Same Thickness, Which of the Following Materials Has

question 89

Multiple Choice

For the same thickness, which of the following materials has the highest R- value?

• A)Extruded polystyrene
• B)Expanded polystyrene
• C)Polyisocyanurate
• D)Gypsum
• E)Fiberglass

---

Definitions:

Periorbital Edema

Swelling around the eyes due to fluid accumulation, often resulting from allergies, infections, or injuries.

Exophthalmos

A condition characterized by an abnormal protrusion of the eyeball(s) from the orbit, commonly associated with thyroid disease, specifically Graves' disease.

Hyperthyroidism

A condition characterized by the overproduction of thyroid hormones by the thyroid gland, leading to an acceleration of the body's metabolism.

Hordeolum

A common eyelid infection, also known as a stye, characterized by a painful, red lump near the edge of the eyelid.