BIO 230 Home Lab 1 - Spinal Cord Human Physiology (Athabasca University) expected exam best guiding solution

BIO 230 Home Lab 1 - Spinal Cord Human Physiology (Athabasca University) expected exam best guiding solution Lab 1: Spinal Cord Total marks: /9 Reflexes and Reactions 1. How are reflexes defense mechanisms for the body? Give an example. (1 mark) 1. How did the reflexes of the subject’s right leg and left leg compare? (1 mark) 1. Absence of the calcaneal reflex may indicate damage to which region of the spinal cord? (1 mark) 1. Describe an abnormal plantar reflex. What is it called? What does it signify? (1 mark) 1. Why does pupil size change, and why is the reflex present in both eyes despite the fact that the light is applied only to one eye? (1 mark) 1. Did the subject’s reaction times differ as you performed more trials? If so, how? (1 mark) 1. How do you think reaction time might be affected by drinking several cups of coffee? How do you think reaction time might be affected by drinking alcohol? (1 mark)