Portage Learning A&P I Final Exam

Portage Learning A&P I Final Exam 2023 Rated A+ The integumentary system is comprised of what three parts of the body? Hair, skin, and nails List the three layers of the skin from superficial to deep. Epidermis, Dermis, Hypodermis 00:1101:27 Describe three functions of the integumentary system. Production of vitamin D; contain sense organs for protection of skin and underlying tissue; protection from pathogens True or false: Thermoreceptors detect fine touch. False Merkel's cells and Meisner's corpuscles are thermoreceptors False True or false: Pacinian corpuscles detect pressure. True Describe what an exocrine gland contains and how its contents reach the surface of the skin. Exocrine glands contain secretions which are released through a duct (opening) into an epithelial surface or lining. TERM Basement Membrane DEFINITION Layer between epithelium and underlying connective tissue LOCATION TERM Epidermis DEFINITION Outer layer of skin LOCATION TERM Dermis DEFINITION middle layer of skin LOCATION TERM subcutaneous Fat DEFINITION layer of fat cells beneath the skin that helps conserve body heat LOCATION TERM Subcutaneous Tissue DEFINITION Tissue, largely fat, that lies directly under the dermis and serves as an insulator of the body. LOCATION 00:0201:27 TERM Merkel Cell DEFINITION receptor cell in the stratum basale of the epidermis that responds to the sense of touch LOCATION TERM Meissner's Corpuscles DEFINITION sensitive touch receptors in the dermis LOCATION TERM Pacinian Corpuscle DEFINITION a type of nerve ending located in the subcutaneous layer that is sensitive to pressure; also described as "lamellated" LOCATION TERM Sensory Nerve DEFINITION a nerve that conveys information from the body to the central nervous system LOCATION TERM Oil LOCATION TERM Sweat Gland DEFINITION The glands that secrete sweat, located in the dermal layer of the skin. LOCATION TERM Sebacous Gland DEFINITION Oil glands that are found all over the skin, produce sebum LOCATION What is a sebaceous gland? Sebaceous glands (oil glands) produce sebum (oil). What is the purpose of thermoregulation in the body? Thermoregulation helps the body to regulate its temperature. Perspiration is one method in assisting thermoregulation. True or false: The epidermis is made up of stratified cuboidal epithelium. False (stratified squamous epithelium) What are the four layers of the epidermis? Stratum corneum, stratum granulosum, stratum spinosum and stratum basale True or false: Cells of the stratum basale have a high rate of cell division. True The cells of the stratum basale have epidermal ridges which are the basis for each person's distinct pattern called Fingerprint True or false: Dead cells in the stratum corneum remain for abo