Analysis 14 (j) From your observations, formulate a hypothesis about the sequence of events that occur in the nervous system in each part of the procedure. 13 (k) How does the knee-jerk reflex change when the subject is clenching the book? Why do you think this is? 13 (l) What is the purpose of testing diffrent reflexes? Evaluation and Synthesis /3(m) Explain why the knee-jerk and Achilles reflexes are important in walking. 14 (n) A person touches a stove, withdraws his or her hand, and then yells. Why does the yelling occur after the hand is withdrawn? Does the person become aware of the pain before the hand is withdrawn?
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(o) While examining the victim of a serious car accident, a physician lightly pokes the patient's leg with a needle. The pokes begin near the ankle and gradually progress toward the knee. Why is the physician poking the patient? Why begin near the foot?