Understanding Sensory Receptors: A Study Guide for Chapter 12

ASSIGNMENT FOR CHAPTER 12 A. Give specific examples for the following receptors in each system: ● Mechanoreceptors (there are 3) Free nerve endings. (Pacinian) corpuscles. a. What type of signal does it register? Light touch 2. _ Tactile (Meissner’s) corpuscles _______: a. What type of signal does it register? Medium touch and texture 3. Lamellated (Pacinian) corpuscles. ________: a. What type of signal does it register? Deep touch ● Thermoreceptors (there are 2): 1. Cold receptors______________ 2. Warm receptors______________ ● Nociceptors: a. What are they? Pain receptors b. Do they adapt?____ No they do not adapt ● Chemoreceptors (name 2) 1. Olfactory receptors and taste receptors _________: b. What type of signal does it register? 2. _smell_______: c. What type of signal does it register? taste ● Photoreceptors (there are 2) 1. Cones________: d. What type of signal does it register? Color sight 2.Rods _________:

a. What type of signal does it register? Black and white sight —--------------------------------------------------------------------------------------------------------------------- Smell: A. What does the limbic system do? The limbic system is responsible for managing our emotions. B. What are the two places in your brain that smell signals travel to? Limbic and thalamus Taste: A. What are taste buds? Taste buds are the sensitive areas of the taste cells in the papillae. B. Where are taste buds found? On what structure? Taste buds are found on the interior wall of the papillae. C. Do taste receptors rapidly adapt or slowly adapt to taste? Tastes receptors adapt rapidly. Hearing/Balance: A. What are the three components of the OUTER ear? Auricle (Pinna), External acoustic meatus, and Tympanic membrane B. What are the three bones in the MIDDLE ear? Name them starting from the bone that is directly touching the tympanic membrane. Malleus, Incus, Stapes C. What are the three components of the labyrinths in the inner ear? Cochlea, Semicircular canals, and Vestibule D. What structure is responsible for dynamic equilibrium? semicircular canals, External acoustic meatus, and Tympanic membrane E. What structure is responsible for static equilibrium? vestibul

F. What part of the temporal lobe is auditory information processed? Audio cortex Vision: A. Label the following squares: From Left to right I. Iris II. Lens III. Pupil IV. Cornea V. Aqueous humor VI. Retina VII. Vitreous humor VIII. Optic nerve

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