Ch 15 The Special Senses PDF

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Ch 15 The Special Senses worksheet for anatomy and physiology...

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Bio 25 Chapter 15 HW

Name____________________________

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

Figure 15.1 Using Figure 15.1, match the following: 1) Ganglion cells.

1) _____________

2) Bipolar cells.

2) _____________

3) Horizontal cell.

3) _____________

4) Amacrine cell.

4) _____________

TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 5) The photoreceptor cells are sensitive to damage from light.

5) _______

6) The fluid contained within the membranous labyrinth is called perilymph.

6) _______

7) Contraction of the ciliary muscle causes the lens to bend the light less.

7) _______

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Bio 25 Chapter 15 HW

Name____________________________

MATCHING. Choose the item in column 2 that best matches each item in column 1. Match the following: 8) Hair cells receptive to changes in dynamic equilibrium are found in this structure.

A) Crista ampullaris

8) _______

9) Chemically sensitive microvilli found in this structure . 10) Hair cells receptive to changes in static equilibrium are found in this structure

B) Taste buds

9) _______

C) Olfactory epithelium

10)______

11) Chemically sensitive cilia are found in this structure

D) Macula

11) ______

. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 12) Which of the follow types of neurons are replaced throughout adult life? A) auditory outer and inner hair cells B) retinal ganglion cells C) olfactory receptor cells D) retinal bipolar cells

12) ______

13) Nerve fibers from the medial aspect of each eye ________. A) divide at the chiasma, with some crossing and some not crossing B) go to the superior colliculus only C) cross over to the opposite side at the chiasma D) pass posteriorly without crossing over at the chiasma

13) ______

14) Which of the following is true about gustatory receptors? A) The receptors generate an action potential in response to chemical stimuli. B) Complete adaptation occurs in about one to five minutes. C) In order for a chemical to be sensed, it must be hydrophobic. D) All gustatory receptors have the same threshold for activation.

14) ______

15) Farsightedness is more properly called ________. A) presbyopia B) hyperopia

15) ______

16) Taste buds are not found ________. A) in fungiform papillae C) in circumvallate papillae

C) myopia

D) hypopia 16) ______

B) lining the buccal cavity D) in filiform papillae

17) As sound levels increase in the spiral organ (of Corti), ________. A) outer hair cells stiffen the basilar membrane B) inner hair cells bend the cilia away from the kinocilium C) outer hair cells bend the cilia away from the kinocilium D) inner hair cells stiffen the basilar membrane

17) ______

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Bio 25 Chapter 15 HW

Name____________________________

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 18) The synapse of the olfactory nerves with the mitral cells is called a ________.

18) _____________

19) The middle ossicle in the ear is the ________.

19) _____________

20) Taste is solely a response to chemicals dissolved in ________.

20) _____________

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