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Chapter 16: Senses (Sections 16.4 – 16.5)
Name:______________ Class: _____
Visual Receptors
Define conjunctiva and describe its functions.
1.
Define lacrimal fluid and describe its functions.
2. Draw an eye, labeling and describing the functions of the following parts: anterior chamber, posterior chamber,
optic nerve, central artery and vein of retinal, optic disc, fovea centralis, retina, choroid, sclera, vitreous humor,
aqueous humor, pupil, cornea, iris, lens, suspensory ligament, ciliary body.
3.
What is accommodation?
4.
What is macular degeneration? What are the symptoms?
5.
What are cataracts? What are the symptoms, risk factors, and treatment?
6. What is glaucoma? What are the symptoms, risk factors, and treatment?
7.
What is refraction?
8.
Identify the common name, cause, symptoms, and treatment of each of the following refractive errors:
a. Hyperopia
b.
Myopia
c. Astigmatism
d.
9.
presbyopia
What is phototransduction? Which cells engage in phototransduction?
10. Describe the advantages and disadvantages of rods vs. cones.
Hearing and Equilibrium Receptors
11. What is cerumen and what is its function?
12. Draw an ear, labeling the following parts and writing the functions of the bolded terms
External ear, Auricle, external acoustic meatus, middle ear, malleus, incus, stapes, semicircular canal,
vestibulocochlear nerve, cochlea, vestibule, round window, oval window, auditory tube, tympanic membrane.
13. What are the causes, signs, and treatment of otitis media?
14. How do we recognize different pitches or frequencies of sound?
15. How do we recognize the loudness of sound?
16. What is a cochlear implant and how does it work?
17. Differentiate between conductive and sensorineural hearing loss.
18. What is motion sickness and what is the cause?
19. What sensory receptors detect head position?
What sensory receptors detect straight line acceleration of the head?
What sensory receptors detect angular or rotational motion of the head?
20. In addition to the vestibule and semicircular canals, what other receptors provide our body with balance
information?