1. Active Lecture Questions Chapter 16 Special Senses Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

2. Which of the following describe taste buds? a.Taste receptors b.Found in the mucosa of the mouth and pharynx c.Located in papillae d.All of the above Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

3. Which nerve endings pass through the ethmoid bone? Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings a.Olfactory nerves b.Gustation receptors c.Taste buds d.Taste cells

4. After the receiving the smell stimuli, mitral cells transmit impulses to the __________. a.frontal lobe b.occipital lobe c.limbic system d.all of the above Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

5. Which of the extrinsic muscles of the eye moves the eye laterally and is innervated by the abducens (VI) nerve? a.inferior rectus muscle b.superior oblique muscle c.lateral rectus muscle d.medial rectus muscle Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

6. The lacrimal gland produces fluid, but how is the fluid spread? a.Nasolacrimal duct b.Lacrimal canaliculi c.Blinking d.Both a and c Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

7. The vascular layer of the of the eyeball contains __________. a.the choroid b.the sclera c.the iris d.both a and c Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

8. A reflex of the eye called the pupillary light reflex is __________. a.the opening of the pupils when a visual field is detected b.constriction of the pupils when bright light is flashed c.the eye adjusting to the dark d.red-eye glare you get when taking pictures. Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

9. The structure identified by the arrow is __________, which is found in the __________ layer. a.the choroid; vascular b.the sclera; fibrous c.pigmented; inner d.the ciliary muscle; vascular Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

10. The purpose of vitreous humor is __________. a.to transmit light b.to support posterior surface of the lens c.to help maintain intraocular pressure d.all of the above Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

11. The interneurons responsible for processing and modifying visual information are __________. a.rod and cone cells b.amacrine and horizontal cells c.ganglion cells d.bipolar cells Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

12. What structure is indicated by the arrow? a.External acoustic meatus b.Tympanic membrane c.Auricle d.Middle ear Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

13. What is the name of the auditory ossicles? Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings a.Malleus b.Stapes c.Incus d.All of the above

14. The membranous labyrinth is filled with a clear fluid called __________. a.perilymph b.endolymph c.epilymph d.both a and b Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

15. Sensory receptors for hearing are located in the __________. Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings a.cochlear duct b.tympanic membrane c.scala tympani d.scala vestibuli

16. What structure is indicated by the arrow? a.Stereocilia b.Kinocilium c.Hair bundles d.Otoliths Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

17. How is the cupula (indicated by the arrow) able to detect angular acceleration? a.Moved by inertia of endolymph b.Noved by inertia of perilymph c.Detects changes by orientation in space d.Both a and c Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

18. What are the light-bending parts of the eye? Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings a.Cornea b.Lens c.Humors d.All of the above

19. At birth, infants __________. a.are nearsighted b.have normal vision c.cannot see d.are farsighted Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

20. What structure is indicated by the arrow? a.Basilar membrane b.Scala tympani c.Cochlear duct d.Cochlear apex Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

21. The fluid found in the space between the cochlear duct and the basilar membrane is __________. a.endolymph b.perilymph c.cochlolymph d.both a and b Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

22. What structure in the middle ear is identified by the arrow? a.Stapes b.Malleus c.Cochlea d.Incus Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

23. The auditory cortex is instrumental in localizing sound because __________. a.not all fibers cross over to the other side of the brain b.it receives impulses from both ears c.interneurons permit localization d.both a and b Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

24. Meniere’s Syndrome is the result of __________. a.not enough perilymph fluid b.conflict between visual and vestibular inputs c.excessive amounts of endolymph d.not enough endolymph Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

25. Conduction deafness occurs when sound vibrations cannot be transmitted as a result of __________. Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings a.earwax blocking the external acoustic meatus b.a ruptured eardrum c.otosclerosis d.all of the above

26. Infants can localize sounds at __________. a.birth b.2 or 3 months c.3 or 4 months d.1 year Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings