If a muscle cell is excited adequately, ____________________ is released from the sarcoplasmic reticulum
Fill in the blank(s) with correct word
calcium
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Following an injury to his arm, a patient complains that he has no sensations from his "pinky." You suspect that he has damaged the
A. median nerve. B. radial nerve. C. musculocutaneous nerve. D. ulnar nerve. E. axillary nerve.
Which of the following is true concerning isotonic eccentric contraction?
A. The muscle lengthens but tension remains constant. B. The muscle lengthens and tension declines. C. The muscle shortens but tension remains constant. D. The muscle tenses and shortens. E. The muscle tenses but length remains unchanged.
Compare a stenotic and insufficient valve
What will be an ideal response?
Contraction of these muscles depresses the ribs, but only during forced exhalation.
A. External intercostals B. Scalenes C. Transversus thoracis D. Internal intercostals E. Serratus posterior inferior