Skeletal muscles can be stimulated by: Question 10 options: Mechanical stimulation Chemical stimulation Nervous stimulation All of the above
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Skeletal muscles can be influenced by various forms of stimulation. Show more…
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Skeletal muscle contraction requires ____________. a. calcium ions c. arrival of a nerve impulse b. ATP d. all of the above
Which of the following statements about the mechanism of muscle contraction are correct? (i) Acetylcholine is released when the neural signal reaches the motor end plate. (ii) Muscle contraction is initiated by a signal sent by CNS via a sensory neuron. (iii) During muscle contraction, isotropic band gets elongated. (iv) Repeated activation of the muscles can lead to lactic acid accumulation. (a) (i) and (iv) (b) (i) and (iii) (c) (ii) and (iii) (d) (i), (ii) and (iii)
The tension developed by a skeletal muscle can be increased by increasing the: [Select all correct answers.] 1) Number of motor units stimulated 2) Rate of stimulation to each motor unit 3) Length of the muscle beyond its resting length 4) The intensity of the stimulus from a maximal voltage to a supramaximal voltage
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