front 1 connective tissue covering that encloses the sarcolemma of an individual muscle fiber is called the | back 1 endomysium |
front 2 a fascicle is a | back 2 muscle |
front 3 contains actin
| back 3 thin |
front 4 contains ATPases
| back 4 thick |
front 5 attaches to the z disk
| back 5 thin |
front 6 contains myosin
| back 6 thick |
front 7 contains troponin
| back 7 thin |
front 8 does not lie in the I band
| back 8 thick |
front 9 the function of the t tubules in muscle contraction is to | back 9 transmit the action potential deep into the muscle cells |
front 10 the sight where the motor nerve impulse is transmitted from the nerve endings to the skeletal muscle cell membranes are the | back 10 neuromuscular junctions |
front 11 contraction elicited by a single brief stimulus is called | back 11 a twitch |
front 12 a smooth sustained contraction resulting from very rapid stimulation of the muscle in which no evidence of relaxation is seen is called | back 12 fused tetanus |
front 13 characteristics of isometric contractions | back 13 increased muscle tension throughout the contraction phase. absence of shortening. used in resistant training |
front 14 which provides ATP fastest?
| back 14 A |
front 15 which does not require oxygen be available? | back 15 a,c |
front 16 which provides the highest yield of ATP per glucose molecule? | back 16 b |
front 17 which result in the formation of lactic acid? | back 17 anaerobic glycolysis |
front 18 which has carbon dioxide and water products? | back 18 b |
front 19 which is most important in endurance sports? | back 19 b |
front 20 the neurotransmitter released by somatic motor neuron is | back 20 acetylcholine |
front 21 the ions that enter the skeletal muscle cell during action potential generation are | back 21 sodium ions |