举一反三
- Insulativity is a characteristic of excitation conduction on nerve fiber. A: 正确 B: 错误
- It is said that synthetic fiber (合成纤维) is not as good as natural fiber. Natural fiber is said to be __________ synthetic fiber. (superior)
- 【多选题】The factors that influence the AP conduction velocity on nerve fiber include A. thickness of the myelin shealth. B. myelinated or not C. diameter of the fiber D. temperature E. strength of the stimulation
- The following are descriptions of the excitatory conduction characteristics of nerve fibers. Which one is correct? A: One-way conduction can only be conducted from the cell body to the periphery. B: The fibers in the nerve trunk do not interfere with each other. C: As long as the structure is complete, it can conduct excitation normally. D: It is not affected by the change of internal environmental factors.
- In the nerve reflex, the latency from the stimulation to the response is mainly dependent on A: the number of synapses in the central nervous system B: the action potential conduction velocity at the afferent and efferent nerve fiber C: the strength and property of stimulation D: the sensitivity of the sensory receptors
内容
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It is said that synthetic fiber (合成纤维) i...ic fiber. (superior)
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In the nerve reflex, the latency from the stimulation to the response is mainly dependent on A: the action potential conduction velocity at the afferent and efferent nerve fiber B: the strength and property of stimulation. C: the number of synapses in the central nervous system. D: the sensitivity of the sensory receptors. E: the sensitivity of the effector.
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The axons and dendrites that are coated with a myelin sheath are called ( ). A: Neurite B: Nerve C: Nerve ending D: Nerve fiber
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Oligodendrocytes make myelin, a fatty substance that insulates nerve axons and speeds the conduction of impulses along nerve fibers.
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Which description is correct about the deep tendon organ? A: parallel to the extrafugal fiber B: is a sensory receptor for muscle length C: protect the muscle from injury during contraction. D: in series with intrafusal fiber E: sensory signal is transmitted by II afferent nerve fiber