chap 9 muscles
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| during muscle contration, myosin cross bridges attach to which active sites? | show 🗑
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| show | increase in the number of muscle cells
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| the strongest muscle contrations are normall achieved by____ | show 🗑
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| show | there are more thick filaments than thin filaments
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| muslce tone is____ | show 🗑
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| show | a band
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| show | activates epinephrine released from adrenal gland
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| show | actin and myosin sliding past each other and partially overlapping
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| the main effect of the warm up period of athletes as the muscle contrations increase in stregth is to___ | show 🗑
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| which of the following surronds the individual muscle cell? | show 🗑
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| show | refractory period
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| show | bind to regulatory sites on troponin to remove contraction inhibition
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| what structure in skeletal muscle cells functions in calcium storgae? | show 🗑
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| show | no atp is avaliable to release attaced actin and myosin molecules
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| which of the following is not a way muscle contrations can be graded? | show 🗑
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| show | storing energy that will be transferred to adp to resynthesize atp
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| what part of the sacrolemma contains acetylcholine receptors? | show 🗑
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| show | motor neuron action potential, neurotransmitter release, muscle cell action potential, release of calcium ions from sr, atp drven power stroke, sliding myofilaments
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| what is the role of tropmyosin in skeletal muscles? | show 🗑
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| which muscle cells have the greatest ability to regenerate? | show 🗑
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| what is the functional unit of skeletal muscle called? | show 🗑
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| show | multiunit muscles
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| muslce tissue has all of the following properties except____ | show 🗑
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| show | lactic acid
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| immediately following the arrival of the stimulus at a skeletal muscle cell there is a short period called the___period during which the vents of excitation contraction coupling occur | show 🗑
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| show | thick filaments
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| show | treppe
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| show | intense exercise of short duration
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| what is the most distinguishing characteristic of muscle tissue? | show 🗑
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| the muscle cell membrane is called the | show 🗑
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| show | the site of calcium reguation differs
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| hypothetically if a muscle were stretched to the point where thick and thin filaments no longer overlapped, ___ | show 🗑
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| which of the following statments is true | show 🗑
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| which of the choices below does not descrive how recovery oxygen uptake restores metabolic conditions? | show 🗑
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| show | myofibrils
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| which of the following is a factor taht affects the velocity and duartion of muscle contration | show 🗑
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| show | muscle tension remains relatively constant during iso tonic contration
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| show | a sheetlike indirect attachment to a skeletal element
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| show | acetylcholinesterase destroying the ACh
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| show | stores oxygen in muscles cells
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| excitation contration coupling requires which of the following substances? | show 🗑
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| show | enhance cellular communication during muscle contraction
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| show | they exhibit spontaneous action potentials
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| which of the following is true about smooth muscle contraction? | show 🗑
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| which of the following would be recruited later in muscle stimulation when contratile strength increses | show 🗑
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| show | multimotor unit summation
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| which of the following staments is false or incorect? | show 🗑
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| the oxygen biding protein found in muscle cells is____ | show 🗑
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| show | the arrangement of myofilaments
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| in an isotonic the muscle___ | show 🗑
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| show | glycolysis
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| the major function of the sarcoplasmic reticulum in muscle contration is to___ | show 🗑
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| show | a long relaxing swim
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| of the following muscle types which has only one nucleus no sarcomeres and rare gap junctions | show 🗑
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| show | a mixture of fiber types
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| what does oxygen deficit represent? | show 🗑
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