Dermatology and Skin Physiology Quiz

Middle layer of skin with blood vessels, nerves, and hair follicles.

Melanocytes produce melanin, responsible for skin color.

Outer layer, epidermis, contains cells producing keratin.

Dermis contains blood vessels, nerves, and sweat glands.

Vitamin C is essential for collagen synthesis in the skin.

Sebaceous glands produce oil (sebum) for skin and hair lubrication.

Eczema presents as red, itchy, and inflamed patches of skin.

Outermost layer, stratum corneum, protects and waterproofs skin.

Acne presents as small, raised, red bumps on the skin.

Eccrine sweat glands regulate body temperature by sweating.

Acne includes comedones, papules, and pustules on the skin.

Arrector pili muscles contract to make hairs stand upright.

Urticaria, or hives, is the medical term for itchy welts on the skin.

Regular sunscreen use is NOT a risk factor for skin cancer.

Skin thinning and loss of elasticity, known as atrophy.

Ringworm is a common fungal infection of the skin.

Loss of skin pigmentation is called hypopigmentation.

Psoriasis is an autoimmune disorder causing skin inflammation.

Skin darkening from excess melanin is hyperpigmentation.