BIOS 252 ( Anatomy and Physiology II with Labs) Final Exam Essay Questions

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BIOS 252 ( Anatomy and Physiology II with Labs) Final Exam Essay Question Page 446) Spinal Reflex – when integration takes place in the spinal cord gray matter If you pick up something hot, the... grasping muscles may relax and you may drop the hot object even before you are consciously aware of the extreme heat or pain. This is an example of a spinal cord reflex—a quick, automatic response to certain kinds of stimuli that involves neurons only in the spinal nerves and spinal cord. 2. Describe sleep and its major stages and then contrast sleep to coma - how are they similar and how do they differ. (Page 570) Sleep is a state of altered consciousness or partial unconsciousness from which a person can be aroused Coma is a state of unconsciousness in which a person has little or no response to stimuli Alpha waves- stage 1 (drowsy) Sleep Spindles – Stage 2 light sleep Theta and delta waves – stags 3-4 deep sleep Beta waves- fully awake eyes open Brain Waves: Alpha waves – awake and resting Beta Waves – mental and sensory activity Theta Waves – emotional distress Delta Waves – Deep sleep in adults [Show More]

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