Physiology章节测试课后答案2024春

第十章测试

1. The main effect of vestibulocerebellum is （ ）
A:establishing of movement program B:strengthening muscle tonus C:coordinating the voluntary movement D:controlling the equilibrium of the body E:weakening muscle tonus
答案:D
2. The initial nuclei of the nonspecific projection system in thalamus are （ ）
A:specific sensory relay nucleus B:specific sensory relay nucleus and associated nucleus C:associated nucleus D:nonspecific projection nucleus and associated nucleus E:nonspecific projection nucleus 3. Conduction velocity in myelinated fibers is faster than unmyelinated fiber, mainly because （ ）
A:the thickness of myelin sheath B:the intensity of stimulation C:diameter D:saltatory conduction E:temperature 4. The hormone secretion increasing during slow wave sleep is （ ）
A:thyroid hormone B:growth hormone C:noradrenaline D:adrenaline E:glucocorticoid 5. The most basic reflex maintaining the body posture is （ ）
A:crossed extensor reflex B:righting reflex C:muscle tonus D:tendon reflex E:flexor reflex 6. What kind of ion permeability increased when the inhibitory postsynaptic potential? （ ）
A:K+, Cl-, especially K+ B:K+, Ca2+, especially Ca2+ C:Na+, Cl-, especially Na+ D:Ca2+, Cl-, especially Ca2+ E:K+, Cl-, especially Cl- 7. The structure that can generate AP is （ ）
A:soma B:synaptic knob C:node of Ranvier D:initial segment E:axon 8. The basic vital center is located in （ ）
A:mesencephalon B:cerebral cortex C:spinal cord D:medulla E:hypothalamus 9. Cutting off the brain stem between the superior and inferior colliculus of midbrain, the phenomenon is （ ）
A:flaccid paralysis B:decerebrate rigidity C:hypotonia of extensor muscle tension D:inhibitory area excitation E:facilitating area inhibition 10. Excitatory postsynaptic potential is （ ）
A:action potential B:threshold potential C:receptor potentials D:local potential E:resting potential