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Details Title: Lecture 7 Description: Bones/muscles Total Flash Cards: 80 Created: 12/02/2003 18:13:07	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term sarcomeres Definition the most basic unit of contraction Term tendon Definition A cord or strap of dense tissue that connects a muscle to bone is called a ____. Term skeletal muscle Definition functional partners of bone Term Z lines Definition What are dark bands that define the two ends of each sacromeres called. Term sliding filament model Definition This is the explanation of how muscles contract Term myosin Definition The "thick" muscle filament is composed of: Term lactic acid (lactate) Definition Which molecule is produced during exercise, resulting in the oxygen debt Term a motor neuron and the muscle fibers it innervates Definition A motor unit is made up of _________________ Term tendon Definition The structure that connects muscles to bones is the ______ Term sarcolemma Definition The fiber cell membrane is termed the ______ Term sarcomere Definition The smallest, functional unit of contraction is the Term twitch Definition What type of contraction is characterized by a rapid, jerky response to a single stimulus? Term excretion Definition Which of the following is not performed by muscles? Term skeletal muscle system Definition Muscle tissue refers to all contractile tissue. To what does the term muscular system most often refer? Term when a muscle fiber contracts, it contracts completely Definition The all-or-none response means that Term protiens Definition What are the actin and myosin filaments in muscle composed of? Term an action potential Definition What triggers the release of calcium ions from the sarcoplasmic reticulum Term motor nueron Definition A skeletal muscle is stimulated to contract when its plasma membrane is excited by a message from a_____________ . This message is received at the neuromuscular junction. Term 600 Definition Approximately how many skeletal muscles are there in the human body? Term actin filaments are thin Definition Which of the following statements is TRUE concerning muscle organization? Term myosin, actin Definition _____ filament pulls itself down the _____ filament, causing the muscle to contract. Term involuntary Definition smooth muscle tissue is: Term epidermis Definition the outer layer of skin Term dermis Definition underlying layer of the skin Term keratinocytes Definition The most abundant epidermal cells are the. Term melanocytes Definition These cells produce and donate melanin Term hypodermis Definition This is the tissue organ below dermis. Term albinos Definition People who do not have the enzymes necessary for melanin production are : Term albinos Definition People who do not have the enzymes necessary for melanin production are : Term ance Definition A type of skin inflammation that develops after bacteria infect oil gland ducts is called Term hair follicles Definition Husklike cavities in the skin are called: Term melanocytes Definition Skin color is mostly a function of the distribution of which of the following? Term they serve no positive function Definition Which of the following is NOT true about ceruminous glands Term teeth Definition Which of the following is not a part of the integumentary system? Term dermis Definition This is the layer of skin containing connective tissue and collagenous and elastic fibers. Term ultraviolent light Definition Which of the following causes an increase in melanin production? Term sudoriferous (sweat) Definition These skin glands function in excretion and temperature regulation. Term arractor pilli Definition These muscles are attached to the root of each hair. Term 3 Definition this degree of burn is the worst Term dermititis Definition This term means an inflammation of the skin. Term soles Definition The epidermis is thickest on the : Term movement Definition Which of the following is not a function of the Integumentary System ? Term cerumenous (wax) Definition These skin glands are located only in the ear canal Term taking in nutrients Definition Which of the following is NOT a function of the skin? Term subcutaneous Definition In which layer of the skin is adipose tissue most abundant? Term dermis Definition Hair follicles are located in which layer of the skin? Term root Definition What is the part of the hair below the surface of the skin ? Term collagenous fibers Definition Which of the following fibers allows skin to be elastic? Term the presence of adipose tissue in the hypodermis Definition What is the main factor in insulating the body? Term epidermal Definition Hair and fingernails are derived from the _____ cells. Term joint Definition That is an area of contact or near-contact between bones? Term fontanels Definition What joint holds teeth in sockets and connect the flat skull bones of a fetus? Term Hydrostatic, Exoskeleton, Endoskeleton Definition What are three types of skeletons predominate in the animal world? Term 26 Definition how many bones make up the vertebrae Term intervertebral disk Definition What are fibrous, cartilaginous structures between the vertebrae? Term red marrow Definition What part of the bone plays a major role in blood cell formation and fills spaces in some bones. Term arthritis Definition What is joint inflammation commonly called? Term arthritis Definition What is joint inflammation commonly called? Term ligaments Definition These are long straps of dense connective tissue that bridge the gaps between bones. Term cranial bones Definition These enclose and protect the brain and some sensory organs. Term pelvic girdle Definition This structure supports the weight of the vetebral column and helps protect organs. Term pelvic girdle Definition This structure supports the weight of the vetebral column and helps protect organs. Term yellow marrow Definition What converts to red marrow and produces new red blood cells when blood loss from the body is severe. Term femur Definition What is the bodies strongest weight bearing bone. Term bony endoskeleton Definition Which of the following terms best describes a frog's skeleton? Term exoskeleton Definition What type of skeleton does a butterfly have? Term increases Definition Exercising ______________ bone density Term hydrostatic skeleton Definition What type of skeletal system does a jellyfish have? Term bone mass will increase, then decrease Definition As a child ages, what changes will occur in his bones? Term it provides storage for glucose Definition Which of the following statements about the function of the skeletal system is not true? Term rickets Definition A deficiency of Vitamin D in children produces Term Vitamin D Definition An inability of the body to transport calcium and phosphorus from the digestive system may be caused by the lack of: Term destroy; build Definition Osteoclasts _________ bone and osteoblasts _________ bone. Term osteoarthritis Definition The inflammation or infection of bone is called Term skull, vertebral column, thorax Definition The axial skeleton consists of Term thorax Definition Which of the following is (are) not a part of the appendicular skeleton Term 206 Definition A human has at least _______ bones. Term thicken, strengthen Definition The effects of exercise on bones are to _____ and to ______ them. Term middle ear bones Definition What are the smallest bones in the body? Term female sacrum is wider Definition Which of the following is TRUE concerning the skeleton system?