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anatomy weeks 6-12
| Question | Answer |
|---|---|
| The muscle fascicle arrangement for Orbicularis oris is best characterized as? | Circular |
| The continuous low level of sustained contraction maintained by all skeletal muscles is muscle? | Tone |
| The _____ nervous system is a complex network of nerve pathways embedded in the intestinal wall with a network of integrators and feedback loops that can act somewhat independently. | Enteric |
| Excitable cells that conduct the impulses are called? | Neurons |
| Individual nerves that emerge from the _____ plexus innervate the lower part of the shoulder and the entire arm. | Brachial |
| The ventral rami of most spinal nerves subdivide to form complex networks called? | Plexuses |
| Starling’s law of the heart states that, within limits, the longer, or more stretched, the heart fibers are at the beginning of the contraction, the? | Stronger the contraction |
| Inhibition of sympathetic vasoconstrictor impulses is considered a major mechanism of? | Vasodilation |
| Which organ consists largely of cartilages that are attached to one another and to surrounding structures by muscles or fibrous and elastic tissue components? | Larynx |
| Gas exchange occurs only in the? | Alveoli |