The Integumentary System Questions and Answers Already Passed

The Integumentary System Questions and Answers Already Passed The integumentary system is a body system that consists of the _____________ and its components. skin The layers of the skin, from outermost to innermost, are: epidermis, dermis, and hypodermis. What can cause alterations to skin color? Select all that apply. emotional changes sun exposure injuries If you were trying to better understand keratin production, which layer of skin would you research? epidermis The function of Langerhans cells in the dermal layer is to: increase the immune response of the skin. Nerve cells within the hypodermal layer of the skin function to: sense external changes. The integumentary system serves as a defensive barrier against what? bacteria Why is it important for the integumentary system to help the body excrete wastes? to promote optimal health Vasodilation is the opening of ____________________. blood vessels Vasodilation occurs when the nerves in the skin sense _____ temperatures. hot If the body performs vasoconstriction, that means the blood vessels are getting ____________. smaller Vasoconstriction occurs when the nerves in the skin sense ________ temperatures. cold Thermoregulation is the process by which the body controls its: temperature Which are the primary functions of the skin? Select all that apply. protecting the body eliminating waste generating vitamins Although you get wet while swimming, a tough substance within your skin prevents it from soaking up water like a sponge. This substance is called: keratin. The darkening of the skin that occurs when a person is exposed to the sun is due to: melanin Which layer of the epidermis produces dead cells? stratum corneum Which abnormal skin growth results from a virus? warts Which skin abnormality can spread from one person to another? warts What does the stratum granulosum contain? keratin What does the stratum basale contain? melanocytes Which are examples of maintaining homeostasis? Select all that apply. probiotic bacterial growth on the surface of the skin sweat production on a hot summer day dilation of the skin's blood vessels constriction of the skin's blood vessels As the skin ages, it loses its ability to restore its shape due to a: decrease in elastin. Moles and freckles are similar in that they are both: skin abnormalities caused by an uneven distribution of melanin Excessive washing of the skin disrupts the natural growth of bacteria on the skin's surface, increasing the chances of: infections. Vasodilation and vasoconstriction are processes that help the body regulate: temperature. Specialized skin cells that can trigger an immune response are called: Langerhans. Nerve cells are found in the: hypodermis. While frying French fries, Wanda burned her hand. Burns are examples of a: homeostatic imbalance. Fat cells are essential to the skin to: prevent heat loss Probiotic bacteria on the surface of the skin: are helpful for the body. The skin acts as a first line of defense against: infections. The flexibility and movement of the skin are primarily the result of: elastin.