Assignment 9

Answer any four of the questions. Due date is next class period.

1. For each of the following cutaneous sensations, describe the structure, function, and location of the receptor involved: touch, pressure, vibration, and pain.
2. Provide an overview of the three basic functions of the sensory, motor, and integrative systems of the nervous system. State what is meant by adaptation of receptors and provide examples of slow and rapidly adapting receptors.
3. Describe the process of image formation on the retina. Use the terms refraction, accommodation, and convergence in your answer.
4. Describe the anatomical features that provide protection to the delicate neural portion of the retina and that ensure the retina is kept flat against the back of the eye.
5. Mary's mother always says to her, "Anything I say goes in one ear and out the other!" Is this possible? Trace the pathway of a sound vibration from the tympanic membrane to the hearing receptors.
6. Distinguish between osseous and membranous labyrinths. Describe the cochlea and its function. Describe the organs of static and dynamic equilibrium and their functions.
7. Explain the process by which smell sensations are sensed and perceived.
8. What is the benefit of having auditory ossicles and muscles in the middle ear?