Term
| which one of the following statements is incorrect |
|
Definition
| e. none (skeletal muscle- move bone, striated, voluntary, attached to bone) |
|
|
Term
| which one of the following is incorrecorrect |
|
Definition
| cardiac muscle is non-striated |
|
|
Term
| which one of the following is not a function of muscle tissue |
|
Definition
| c. it helps in the synthesis of vit d |
|
|
Term
| t or f. each muscle s a separate organ |
|
Definition
|
|
Term
| the ______ separates muscle from ski and is composed of areolar conn tissue and adipose tissue |
|
Definition
|
|
Term
| the ___ lines sthe body wall and limbs and holds muscles with similar function together, it separates muscle into func groups |
|
Definition
|
|
Term
| true or false, ea skeletal muscle fiber has 100+ nucleai |
|
Definition
|
|
Term
| true or false myofibrils are the contractile elements of skeletal muscle |
|
Definition
|
|
Term
| which one of the following is not a function of the superficial fascia |
|
Definition
| b. it is the main site of thermogenisis |
|
|
Term
| a transverse tubule + 2 terminal cisterns is called a |
|
Definition
|
|
Term
| thick filaments are composed of |
|
Definition
| e. none of the above (300+myosin) |
|
|
Term
| the ____ is the basic unit of a muscle fiber |
|
Definition
|
|
Term
| what terminates the action of acetylcholine |
|
Definition
|
|
Term
| ______ is a molecule found only in skeletal muscle fiberes; it is used to getnerate atp rapidly from adp by transfer of a phosphate group |
|
Definition
|
|
Term
| which one of the following situations is not one of he potential reasons for muscle fatigue |
|
Definition
| c. depletion of dihydroxyacetone phosphate |
|
|
Term
| most voluntary muscle contractions are smooth, sustained contractions called |
|
Definition
|
|
Term
| true or false a muscle's muscle tone is due to weak involuntary contractions of its motor units |
|
Definition
|
|
Term
| red muscle fibers have a ____ content; white muscle fibers have a _____ content |
|
Definition
| b. high myoglobin; low myoglobin |
|
|
Term
| ____ are the smallest in diameter; they split atp at a slow rate; and, the fibers are red. |
|
Definition
|
|
Term
| ______ are the largest in diameter; they provide the most powerful contractions; and they contain the larges proportion of white fibers |
|
Definition
| c. fast glycolytic fibers |
|
|
Term
| ______ are intermediate in diameter; atp production is by aerobic respiration and glycolysis |
|
Definition
| a. fast oxidative-glycolytic fibers |
|
|
Term
| _____ undergo anaerobic production of atp; they are fast twitch; but, they fatigue rapidly. |
|
Definition
| c. fast glycotlytic fibers |
|
|
Term
| the pectoralis minor, trapezius, subclavius, and serratus anterior hold the scapula in place while the deltoid muscle (prime mover) abducts the arm. these muscles that hold the scapula in place are all acting as ____- |
|
Definition
|
|
Term
| which one of the following is not a characteristic of skeletal muscle tissue |
|
Definition
| d. it has relatively little sarcoplasmic ret and t-tubules |
|
|
Term
| which one of the following is not a characteristic of cardiac muscle |
|
Definition
| e. none of the above (it is striated, involuntary, has a single nucleus, fibers are branching) |
|
|
Term
| which one of the following is not a charaxteristicx of smooth muscle |
|
Definition
| d. it is multinucleate (the cells are spindle shaped, little or no sarc ret, non-striated) |
|
|
Term
| t or f, visceral smooth muscle cells contract as a single unit |
|
Definition
|
|
Term
| t or f, multiunit smooth muscle cells have few gap junctions |
|
Definition
|
|
Term
| _______ carry information from the brain to the spinal cord or from the brain or spinal cord into the cranial or spinal nerves |
|
Definition
|
|
Term
| _______ participate in integration |
|
Definition
| e. both b and c (interneurons and association neurons) |
|
|
Term
| _____ carry information from receptors to the cns through cranial and spinal nerves |
|
Definition
|
|
Term
| the nervous system's _____ function is to analyze and store sensory information |
|
Definition
|
|
Term
| cranial nerves, spinal nerves ganglia and sensory recepptors are all components of the |
|
Definition
|
|
Term
| which one of the following systems is not part of the peripheral nervous system |
|
Definition
| e. none of the above (enteric nervous system, autonomic nervous system, somatic nervous syst0 |
|
|
Term
| t or f, the motor part of the somatic nervous system is not under conscious control |
|
Definition
|
|
Term
| sensory neurons of the _____ convey information from interoceptors in the visceral organs to the cns |
|
Definition
| d. autonomic nervous system |
|
|
Term
| the _____ speeds up the heart rate; the ____ slows down the heart rate |
|
Definition
| b sympathetic division, parasympathetic |
|
|
Term
| sensory neurons in the _____ monitor chemical changes within the gi tract and stretchg of the walls of the GI tract |
|
Definition
| c. enteric nervous system |
|
|
Term
| _____ provid most of the functions of the nervous system |
|
Definition
|
|
Term
| ______ can produce action potentals in response to stimuli |
|
Definition
|
|
Term
| _____ are the receiving or input portions of a neuron |
|
Definition
|
|
Term
| be able to identify a unipolar neuron |
|
Definition
| IDENTIFY A BIPOLAR NEURON |
|
|
Term
| identify a multipolar neuron |
|
Definition
|
|
Term
| ____ assist with the mmigration of neurons during brain development and help from the blood brain barrier |
|
Definition
|
|
Term
| ______ form cerebrospinal fluid and help in its circulation |
|
Definition
|
|
Term
| _____ produce the myelin sheath around several adjacent axons of cns neurons |
|
Definition
|
|
Term
| _____ are flattened cells that encircle pns axons |
|
Definition
|
|
Term
| _______ are small cells that protect cns cells from disease by enfulfing microbes |
|
Definition
|
|
Term
| the function of themyelin sheath is to |
|
Definition
| d. both b and c. (elec insulate the axon and incr the speed of nerv) |
|
|
Term
| the peripheral nucleat cyto plasmic layer of the schwann cell is called the |
|
Definition
|
|
Term
| ____ randomly alternate between open and closed positions |
|
Definition
|
|
Term
| ___ open due to changes in membrane potential |
|
Definition
|
|
Term
| ___ open and close in response to a specific chem stimulus |
|
Definition
|
|
Term
| which one of the following statements is incorrect |
|
Definition
| c. in a cell at rest the conc of k is higher in the ecf |
|
|
Term
| t or f the resting membrane potential is due to a small buidup of positive ions along the inside of the membrane and th a small build up of negative ions along the outside surface of the membrane |
|
Definition
|
|
Term
| the greater the difference in charge across the membrane the larger the membrane potential |
|
Definition
|
|
Term
| the sodium potassum pumps |
|
Definition
| d. expel three na for each 2k imported |
|
|
Term
| which one of the following statements is incorrect |
|
Definition
| none of the above (occurs when the memb thresh val is eceeded, involves a depol followed by a repol, is rapid chang in membrane) |
|
|
Term
| during the ____ the negative potential decreases towards zero and then eventually becomes positive |
|
Definition
|
|
Term
| during the ___ of ann action potential the membrane potential is restored to the resting state |
|
Definition
|
|
Term
| during ____ a second action pottental cannot be initiated even witha very strong stimulus |
|
Definition
| d. absolue refractory period |
|
|
Term
| the ____ is the period of time during wich a second action potential can be initiated with a larger than normal stimulus |
|
Definition
| e. relative refractory period |
|
|
Term
| _____ are neuropeptides that decrease pain |
|
Definition
| d. all of the aabove (enkephalins, endorphins, dyophins) |
|
|
Term
| ___ gives water its surface tension |
|
Definition
|
|
Term
|
Definition
|
|
Term
| ____ are the largest of the elements of the cytoskeleton, they are involved in movement |
|
Definition
| a. microtubules (not filaments!!!) |
|
|
Term
| which oneof the following statements is incorrect |
|
Definition
| e. none (ground substance- supports& bibnnds cells, made of water, proteins and poly saccharides, fills space between cells and fibers contains hyaluronic and chondroitin sulfate) |
|
|
Term
| the ____ consiste of 8-10 rows of many sided keratinocytes with bundles of tonofilaments |
|
Definition
| b. s. spinosum ( should look at skin diagram) |
|
|
Term
| which one of the following is not a function of sebum |
|
Definition
| e. none (kills bcteria, keeps hair supple, prevents excessive water loss, prevents drying) |
|
|
Term
| ______ are responsible for the breakdown of bone matrix |
|
Definition
|
|
Term
| a suture is functionally clssified as |
|
Definition
|
|
Term
| the joint between the radius and the scaphoid and lunate bones is an exapmple of a |
|
Definition
|
|
Term
| the intercarpal and intertarsal joints are exp of |
|
Definition
|
|
Term
| which one of the following statements is incorrecct |
|
Definition
|
|
Term
| which one of the following states is incorrect |
|
Definition
| e. none (blasts secrete matrix, blasts are capable of cell div, blasts are formative cells, blasts mature into cytes) |
|
|
