Zusammenfassung der Ressource
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Aerobic respiration
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allows the body to avoid the use of oxygen for a short time.
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results in the formation of an incompletely catabolized molecule.
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results in the formation of lactic acid.
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produces the maximum amount of energy available from each glucose molecule.
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Treppe is also called:
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tetanus.
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electromyography.
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wave summation.
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staircase phenomenon.
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The ion necessary for cross-bridging is:
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iron.
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sodium.
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potassium.
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calcium.
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The degree of a muscle’s strength is influenced by many factors, including its metabolic condition and number of motor units recruited.
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Which of the following is also known as striated muscle?
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smooth muscle
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skeletal muscle
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involuntary muscle
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visceral muscle
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The striations seen in skeletal muscle cells under the microscope are what part of the sarcomere?
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Z-lines
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A-bands
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I-bands
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All of the above
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For continued, efficient nutrient catabolism by muscle fibers, both glucose and oxygen are required
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The ability of muscle cells to respond to nerve stimulus is called:
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irritability.
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contractility.
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extensibility.
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elasticity.
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Recruitment is the term used to describe the addition of more motor units to allow a muscle to increase its strength of contraction.
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The neurotransmitter(s) secreted at the motor end-plates of skeletal muscles is/are
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Hemoglobin carries oxygen in the red blood cell and myoglobin stores oxygen in the muscle fiber.
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Muscles contract more forcefully after they have contracted a few times.
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A tetanic contraction is stimulated by a single stimulus