The basic way the nervous system works is()
A: receptor
B: sensory nerve
C: effector
D: nerve center
E: reflex
A: receptor
B: sensory nerve
C: effector
D: nerve center
E: reflex
举一反三
- The basic structure of the nervous system is ( ). A: Nervous tissue B: Reflex arc C: Receptor D: Central nervous system
- 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
- 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.
- Which is wrong about the nervous system? A: It’s mainly composed of nervous tissue B: It’s classified as central and peripheral nervous system C: Central nervous system includes brain, cranial nerve, spinal cord and spinal nerve D: Gray matter is the place where the somas of neurons are concentrated E: White matter contains no neuronal cell bodies
- Which of the following nerves have no nervous activity? () A: Cardiac vagus nerve B: Cardiac sympathetic nerve C: Sympathetic vasoconstrictor D: Sympathetic vasodilator E: Parasympathetic nerve