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Alexis Syren
Physiology Week 1-6
| Question | Answer |
|---|---|
| A gliding joint is an example of a(n) _____ joint. | multiaxial |
| During which phase of the twitch contraction is there a triggering of the release of calcium ions into the sarcoplasm? | Latent period |
| Which type of joint joins the two pubic bones together? | Symphysis |
| Rotator cuff surgery is performed quite commonly on professional baseball players, especially pitchers. Evidently, the throwing motion places enormous stress on the: | shoulder. |
| The type of movement that occurs when the head is dropped to the shoulder, then to the chest, to the other shoulder, and toward the back is: | circumduction. |
| The strength of a muscle contraction is influenced by the: | amount of load, initial length of muscle fibers, and recruitment of motor units. |
| Which of the following statements is incorrect about motor units? Some motor neurons stimulate only a few dozen muscle fibers. Some motor neurons stimulate a few thousand muscle fibers. More muscle fibers stimulated by a motor neuron, the more precis | All of the above statements are correct. |
| All of the following are characteristics of smooth muscle except | thin and thick filaments are aligned in sarcomeres like skeletal muscles. |
| An example of a pivot joint is(are) the: | head of the radius articulating with the ulna. |
| Which of the following terms describes an isometric contraction? | Static tension |
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bluelex97
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