47. When the Muscle Spindle reflex is triggered, the antagonist muscle will (\"c

Question

47. When the Muscle Spindle reflex is triggered, the antagonist muscle will ("contract" or "relax"). 48. If you step on a nail with your right foot, the reflex will lift your right leg, and your left leg will be straightened to support all your weight. 49. In the reflex named in the previous question, the extensor muscles of the leg opposite the painful stimulus will receive an (excitatory or inhibitory) signal. 50. A patient with an abnormal or absent Achilles reflex will likely have damage to what specific levels of the spinal cord? (NOTE: To get full points for this question, you must give the range of spinal cord levels affected; half credit will be given if only the correct region of the spinal cord is given)

Explanation / Answer

47). Relax

48). Withdrawl reflex

49). Excitatory (ie will contract).

50). S1 (sacral spine 1)

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