Homework BIOL 230 Chapter 16 A.docx - Sitting Bull College...

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Sitting Bull College Fort Yates Biological & Environmental Sciences. BIOL 230: Anatomy and Physiology II Chapter 16 Homework A. Student: ------------------------------------------------- Date: ---------------------------------------------------- 1. Differentiate between a receptor a sense organ. 2. Outline three ways of classifying receptors. 3. List the four kinds of information obtained from sensory receptors, and describe how the nervous system encodes each type. 4. (i) What does it mean to say sense organs are transductors? (ii) What form of energy do all receptors have as their output? 5. Describe the types and mechanisms of pain, and explain how the brain modulates one’s sensitivity to pain. 1. BIOL 230
6. Describe two ways that the CNS can modify a person’s perception of incoming pain signals. 7. (i) Explain how taste and smell receptors are stimulated. (ii) Describe the receptors and projection pathways for these two senses i.e. taste and smell receptors. 8. (i) What is the difference between a lingual papilla and a taste bud? (ii) Which is visible to the necked eye? 9. Explain how the ear converts vibrations to nerve signals and discriminates between sounds of different intensity and pitch. 2. BIOL 230
10. (i) Explain why different types of receptor cells and neural circuits are required for day and night vision. (ii) Discuss courses of blindness. 3. BIOL 230

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