5 Written questions
5 Matching questions
- Arrector pili
- Papillary layer
- a the upper dermal region. It is uneven and has peglike projections from its superior surface, called dermal papillae, which indent the epidermis above.
- b a scale-like modification of the epidermis that corresponds to the hoof or claw of other animals. Has a free edge, a body(visible attached portion), and a root (embedded in the skin).
- c the membranous sac enveloping the heart.
- d the outer layers of the skin; an epithelium
- e a smooth muscle attached to hair follicles that causes "goose bumps" to appear on the skin when contracted
5 Multiple choice questions
- the serous membrane covering the lungs and lining the thoracic cavity.
- glands that have ducts through which their secretions are carried to a body surface (skin or mucosa)
- a tough, insoluble protein found in tissues such as hair, nails, and epidermis of the skin.
- glands that empty their sebum secretion into hair follicles.
- membrane that lines the fibrous capsule of a synovial joint.
5 True/False questions
Integumentary system → the skin and its accessory organs.
Melanocytes → the dark pigment synthesized by melanocytes responsible for skin color.
Serous fluid → a clear, watery fluid secreted by the cells of a serous membrane.
Hair follicle → a smooth muscle attached to hair follicles that causes "goose bumps" to appear on the skin when contracted
Sebum → a clear secretion that is primarily water plus some salts (sodium chloride), vitamin C, traces of metabolic wastes (ammonia, urea, uric acid), and lactic acid(the chemical that accumulates during vigorous muscle activity) sweat is acidic pH from 4-6. Sweat reaches the surface through ducts that opens as a pore.