1 Which of the following structures provides

1 Which of the following structures provides a route for blood vessels to run through each osteon? Osteocytic cavities Lacunae Haversian canals Volkmann canals 2 Perimysium covers which of the following structures? Fascicle Muscle bundle Entire muscle Sarcomere 3 Which of these components is not involved in homeostasis? Receptor Control center Effector Regulator 4 A fascicle is the smallest contractile unit of a muscle fiber. True False 5 Which of the following is a function of the integument system? Excretion of fat cells Assist in the production of vitamin C Assist in regulation of the body temperature Assist in the protection of calcium loss within the body 6 Which statement is true of articulations (joints)? The shoulder joint is mainly stabilized by the trapezius and pectoral muscles The glenohumeral joint contains mensci to help minimize wear and tear on the joint surfaces Damage done to joints by osteoarthritis is easily reversible The ends of bones within a synovial joint are all covered with articular cartilage 7 The last step in bone fracture repair is the formation of the fibrocartilaginous callus. True False 8 DNA is found in which part of the cell? Mitochondria Lysosome Nucleus Plasma membrane 9 The Rule of 9’s is used to describe _____ . Cancer classification Squamous cell carcinoma Burn classification Acid-base balance 10 Which of the following protein molecules provides the binding site for the myosin heads? Tropomyosin Actin Troponin Myofilament 11 Which choice is true regarding bone tissue? Trabeculae are found within compact bone The periosteum is the inner, blood cell producing portion of bone Osteocytes reside within a little open space called lacuna within bone tissue One of the organic materials of bone include calcium 12 Which cellular organelle is responsible for the production of ATP? Mitochondria Lysosome Gogli apparatus Nucleus 12 Wolff’s law of bone states that bone density is directly related to the dietary ingestion of calcium. True False 13 Collagen fibers found in bone tissue are considered organic matter. True False 14 The first step in bone fracture repair is: Fibrocartilage clot formation Hematoma formation Ossification Bony callus formation 14 Hematopoiesis is a primary function of the muscular system. True False 15 Which choice best describes the function of an osteoblast? Provides nutrients to the bone cells Provides blood flow to bone cells Activates to increase bone density Activates to break down old bone cells 15 Trabeculae are found in: Spongy bone Compact bone The blood stream None of these choices are correct 16 Which type of tissue is exposed to external environments, lines hollow organs such as the stomach and bladder, and plays an integral role in the epidermis? Nervous tissue Muscular tissue Connective tissue Epithelial tissue 17 Which choice is true regarding myoglobin? Found in fast oxidative muscle fibers It is a molecule that can store oxygen molecules within the muscle cell It causes muscle cells to have a white color/appearance It is a molecule that can store glycogen to be used to make ATP 18 The majority of joints within the body are classified as: Cartilaginous Fibrous Synovial Synarthroses 19Which of the following muscle types is striated and contains intercalate discs? Skeletal Cardiac Smooth 20 Which skin layer contains melanocytes? Epidermis Dermis Hypodermis Papillary layer 21 Platelet plug formation to create a blood clot is an example of: Negative feedback loop Positive feedback loop 22 Which of the choices is true regarding muscle contraction? A nerve impulse (action potential) is required to have sodium and potassium released into the synaptic cleft T-tubules help transmit the action potential deep into muscle cell to stimulate the release of calcium from the endoplasmic reticulum ATP is needed for the power stroke to occur The myosin head binds to the troponin and tropomyosin proteins of the thin filament 23 Which of the following is found on the thick filament? Myosin heads Troponin Tropomyosin Actin-binding sites 24 Which type of burn affects integumentary and underlying layers? 1st degree 2nd degree 3rd degree 4th degree 25 Which of the following organelles is the location for protein production? Mitochondria Endoplasmic Reticulum Ribosomes Centrioles

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