Integumentary System Mblex Study Guide Questions And Correct Answers

Layered structure of skin (Image) {Ans: }Understand the basic function of the skin, such as temperature maintenance or protection from pathogens and damage. {Ans: The skin is the largest organ of the body, with a total area of about 20 square feet. The skin protects us from microbes and the elements, helps regulate body temperature, and permits the sensations of touch, heat, and cold.}Understand that the nerve supply of the skin follows specific dermatomal patterns. {Ans: Area of the skin that is supplied by a single spinal nerve. The area of the skin that provides sensory input to the dorsal roots of a pair of spinal nerves. There are 8 cervical 12 thoracic, 5 lumbar, and 5 sacral spinal nerves that relays sensation (pain, thermal, itch, touch,) from particular region of the body to the brain. Dermatomes are useful in neurology for finding the site of damage to the spine.}The dermis {Ans: Beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands.}Integumentary System {Ans: The integumentary system is the organ system that protects the body from various kinds of damage, such as loss of water or abrasion from outside. The system comprises the