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Chapter 15 - Special Senses

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Art-labeling Activity: Figure 15.1a

Label the Eye

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Art-labeling Activity: Figure 15.1b

Label the Eye

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Art-labeling Activity: Figure 15.2

Label the Eye

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Art-labeling Activity: Figure 15.3a

Label the Eye

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Art-labeling Activity: Figure 15.4a

Label the Eye

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Art-labeling Activity: Figure 15.19a

Label the Brain

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Art-labeling Activity: Figure 15.20b

Label the parts of the Olfactory receptors

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Art-labeling Activity: Figure 15.22a

Label the tongue

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Art-labeling Activity: Figure 15.24a

Label the Ear

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Art-labeling Activity: Figure 15.24b (1 of 2)

Label the Ear

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Art-labeling Activity: Figure 15.24b (2 of 2)

Label the Ear

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Art-labeling Activity: Figure 15.26

Label the Ear

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Art-labeling Activity: Figure 15.27c

Label the Hair Cells in the Organ of Corti

14

What term means that the lens can change shape so that the eye can focus on items either close at hand or far away?

accommodation

15

What condition results when distant objects focus in front of the retina, rather than on it?

myopia

16

Which of the following is NOT an accessory structure of the eye?

retina

17

The visible colored portion of the eye is the __________.

iris

18

Which of the following is a role of the vitreous humor?

It supports the posterior surface of the lens

19

Which of the following is a characteristic of the lens?

The lens focuses light on the retina.

20

Choose the correctly paired terms.

nyctalopia: night blindness

21

Which accessory eye structures function to produce the tears that cleanse and protect the eye?

lacrimal glands

22

Which structure in the eye provides nutrition to all eye layers?

choroid

23

What part of the eye constitutes the blind spot?

optic disc

24

Which photoreceptors respond to very dim light?

rods

25

Most taste buds are located __________.

on the tongue

26

Which of the following is NOT a requirement for something to be tasted?

tastant must contact the basal epithelial cells of the taste buds.

27

Choose the FALSE statement about the olfactory epithelium.

It is made of simple squamous epithelium.

28

Taste is independent of smell

False

29

Which of the following is the basic taste quality responsible for the "beef taste" of steak?

umami

30

The boundary between the external and middle ear is the __________.

tympanic membrane

31

Ringing in the ears is called __________.

tinnitus

32

Where are equilibrium receptors located?

in the semicircular canals and in the vestibule of the ear

33

There are __________ auditory ossicles in the ear.

three

34

The final step in perceiving sound is __________.

the auditory cortex is stimulated

35

The receptor organ for hearing is the __________.

spiral organ (of Corti)

36

Which of the following is true of receptors for dynamic equilibrium?

The receptors for dynamic equilibrium respond to rotational forces.

37

Information from balance (equilibrium) receptors goes directly to __________.

the brain stem

38

Which of the following is the receptor organ for hearing?

spiral organ (of Corti)

39

Vision is fully developed at birth.

False