1. Sensory Practice Test

2. 1. Which of these is TRUE about the CNS? a. Its structures include the spinal cord & motor neurons. b. Its structures are lateral on the body. c. Its structures are medial on the body. d. Its structures include the brain & sensory neurons.

3. 2. If you can’t find balance, which sensory receptors aren’t working? a. Pain receptors b. Mechanoreceptors c. Thermoreceptors d. Chemoreceptors e. Photoreceptors

4. 3. Which area of the eye has the sharpest view of an image? a. Optic nerve b. Choroid c. macula d. Cornea e. lens

5. 4. Identify the part of the eye described: Focuses the light rays that pass through it

6. 5. Identify the part of the eye described: Inner layer area where photoreceptors are found

7. 6. Identify the part of the eye described: Fluid that provides eye with nutrients

8. 7. Write the correct order in which light enters the eye with these terms: lens, cornea, aqueous humor, optic nerve, retina

9. 8. In what way is a reflex advantageous? Include how this is accomplished. Be specific.

10. 9. What is the function of rods? cones? Where are they found?

11. 10. Why do we have a blind spot? Be specific.

12. Key 1. C 2. B 3. C 4. Lens 5. Retina 6. Aqueous humor 7. cornea, aqueous humor, lens, retina, optic nerve 8. They happen instantaneously, without conscious thought, to help organism react faster & stay safe by by-passing the brain to for information processing. 9. shapes & movement; color; found on retina 10. It is where the optic nerve starts & lacks rods & cones.