Which is positive feedback in the following phenomena? () A: tendon reflex B: depressor reflex C: micturition reflex D: pulmonary stretch reflex E: muscular tension

以下与婴儿摄取食物有关的反射是________ A: 莫洛反射（Moro reflex） B: 定向反射（Rooting reflex） C: 眨眼反射（Blink reflex） D: 踏步反射（Stepping reflex）

新生儿会把头转向触碰他们脸颊的物体，这是（ ）。 A: 定向反射（Rooting reflex） B: 眨眼反射（Eye blink reflex） C: 游泳反射（Swimming reflex） D: 吮吸反射（Sucking reflex）

The examiner put a finger 1 meter away from the patient,and told the patient to look at the finger,then move the finger to the patient slowly, both pupils of the patient move toward the nose,it’s called： A: convergence reflex B: accommodation reflex C: direct light reflex D: indirent light reflex E: corneal reflex

Stages involved in the process of dog training include A: complication of conditioned reflex B: simplification of conditioned reflex C: establishment of conditioned reflex to commands D: environmental complication

名词解释：stretch reflex

Which of the following is not a positive feedback A: depressor reflex B: blood coagulation C: micturition reflex D: childbirth

Which of the following is a deep reflection？ A: Abdominal wall reflection B: Radial periosteal reflex C: Corneal reflection D: The anus reflex

关于stretch reflex的叙述，错误的是：

关于stretch reflex的叙述，错误的是： A: stretch reflex的感受器是肌梭 B: stretch reflex的基本中枢位于脊髓 C: 脊髓被横断后，牵张反射永远消失 D: α和γ纤维是牵张反射的传出纤维