Integumentary

Question 1

What are the layers of the skin?

Answer 1

Epidermis: Outer layer, provides protection.

Dermis: Middle layer, contains blood vessels, nerves, and hair follicles.

Hypodermis (Subcutaneous): Deep layer, made of fat and connective tissue.

Question 2

What are the main components of the skin?

Answer 2

Hair follicles: Produce hair.

Sweat glands: Produce sweat for temperature regulation.

Sebaceous glands: Produce oil to lubricate skin.

Nerve endings: Detect pain, pressure, and temperature

Question 3

What are the main types of skin lesions?

Answer 3

Macule: Flat spot on the skin (e.g., freckle).

Papule: Raised, solid bump (e.g., pimple).

Vesicle: Small fluid-filled blister (e.g., cold sore).

Pustule: Pus-filled bump (e.g., acne).

Ulcer: Open sore, often from tissue breakdown.