Exam 2 APHY 101-N. Nelson Ivy Tech Questions with Verified Solutions

Exam 2 APHY 101-N. Nelson Ivy Tech Questions with Verified Solutions _____ is the pigment produced by melanocytes Melanin The primary characteristic of muscle tissue if their ability to ______ contract Localized redness, swelling, warmth and pain are indications of ___________ inflammation/infection The _________ of the subcutaneous layer acts as a heat insulator adipose The four tissue types are muscle, nervous, connective and ___________________ epithelial Superficial blood vessels in the dermis dilate and sweat glands become active in the body's effort to ______ body temperature. decrease The most abundant cells in dense connective tissue are _________ fibroblasts Two or more types of tissue functioning together constitute a(an)___________ organ The inner lining of the abdomen is a ________ membrane serous The two layers of the skin are the ____________ and the ________ epidermis and dermis In healthy skin, the epidermal cells is closely balanced with the loss of skin cells True Hypothermia is elevated body temperature due to exposure to heat, and the body being unable to cool. False If you eat too many carbs, they can be stored as fat. True Blood is composed of red blood cells, white blood cells and platelets suspended in a fluid extracellular matrix called plasma True Intercellular junctions include gap junctions, tight junctions and desomsomes. True Skeletal muscle lines hollow organs False Blood with excess oxygen causes cyanosis False A neuron is a neuroglia False The wall of the heart is made up of three layers, including the middle layer responsible for the hearts pumping action. These layers are all the same tissue, epithelial. False Catabolism builds up molecules and anabolism breaks down molescules False Melanin protects underlying cells against the effects of _____ light ultraviolet The lining of the nose consists of ______ membrane mucous Metabolism refers to all of the chemical reactions in a cell True Three physiological factors that affect the color of the skin are : volume of blood in dermal vessels, carotene in the subcutaneous layer, and various diseases. True A mucus-secreting goblet cell is a unicellular gland True Osteoblasts become osteocytes True Epithelial tissue functions in secretion, absorbtion and protection The type of epithelial tissue that lines the kidney tubules and ducts of salivary glands Simple Cuboidal Cellular fragments are Blood platlets The type of epithelial tissue that lines the urinary bladder and many of the urinary passageways Transitional In areas of the skin where the epidermis is this, the _____ may be absent stratum lucidum Acne is a disorder of the __________ _________ sebaceous gland Cells that reside in a specific connective tissue type for an extended period of time are called fixed cells In treating a burn patient, the "rules of nines" is used top estimate surface area of the burn What connective tissue forms the framework of the outer ear elastic cartilage This tissue contains large amounts of fluid and transports nutrients, wastes and gases blood What is the function of neuroglia they support and bind nervous tissue and provide nutrients and growth factors to neurons by connecting them to blood vessels Hypothermia lowered body temp Integumentary System includes: skin, hair follicles, nails, glands sweat cools the body by evaporation smooth muscle is found in the wall of stomach and intestine The tissue that forms the inner lining of the respiratory passage is mucus-secreting, ciliated and pseudostratified RNA is not double stranded a burn affecting only the epidermis is a superficial partial thickness burn _____produce connective tissue fibers fibroblasts Cells in a solid matrix arranged around a central canal bone DNA replication occurs during interphase of the cell cycle Involuntary muscles are smooth and cardiac tendons and ligaments are composed primarily of reticular connective tissue epidermis is composed of stratified squamous epithelial tissue Adipose tissue is a form of connective tissue The skin appears yellowish if a person eats too much caroten Appears layered (stratified) but are single layer of cells Pseudostratified Columnar Epithelial The tissue through which gases are exchanged between the blood and the air in the lungs simple squamous epithelium forms walls of capillaries and air sacs of lungs simple squamous epithelium histology is the study of tissues Consists of several layers of cells,allowing an expandable layer transitional epithelial exposure to UV radition greatly increases the risk of developing skin cancer cartilage heals slowly b/c chondrocytes do not have direct blood supply chondrocytes cartilage cells neurons can send messages to other neurons, glands and muscles intercellular junctions connect cell membranes cutaneous membranes refers to skin copying DNA information into an mRNA molecule is called transcription the arrector pili muscle is attached to a hair follicle exposure to UV light darkens skin by stimulating synthesis of melanin determines skin color the amount of melanin that melanocytes produce cutaneous carcinomas are usually caused by exposure to UV light A ____________ membrane has tubes and cavities that open to the outside of the body mucous Main tissue of tendons and ligaments dense regular connective tissue