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xxx Term 2: BIO 202.2 Human A&P II > A&P Chapter 24: Sense Organs > Flashcards

A&P Chapter 24: Sense Organs Flashcards

1
Q
  1. Olfactory receptors and taste buds are:
    a. thermoreceptors.
    b. chemoreceptors.
    c. nociceptors.
    d. mechanoreceptors.
A
  1. b. chemoreceptors.
    p. 533

Chapter 24: Sense Organs

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2
Q
  1. Olfactory epithelium consists of:
    a. epithelial support cells.
    b. basal cells.
    c. cilia.
    d. all of the above.
A
  1. d. all of the above.
    p. 533

Chapter 24: Sense Organs

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3
Q
  1. All of the following are primary taste sensations except:
    a. sweet.
    b. sour.
    c. spicy.
    d. bitter.
A
  1. c. spicy.
    p. 536

Chapter 24: Sense Organs

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4
Q
  1. Nerve impulses responsible for the sensation of taste are carried in all of the following cranial nerves except:
    a. VII.
    b. VIII.
    c. IX.
    d. X.
A
  1. b. VIII.
    p. 536

Chapter 24: Sense Organs

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5
Q
  1. ______ Olfaction requires the chemical response of a dissolved substance for a stimulus.

True or False

A
  1. True
    p. 534

Chapter 24: Sense Organs

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6
Q
  1. ______ The olfactory receptor cells lie in an excellent position functionally to smell delicate odors.

True or False

A
  1. False
    p. 533

Chapter 24: Sense Organs

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7
Q
  1. ______ The transmission pathway for olfactory sensations is as follows: olfactory cilia, olfactory bulb, olfactory tract, thalamic and olfactory centers of the brain.

True or False

A
  1. True
    p. 534

Chapter 24: Sense Organs

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8
Q
  1. ______ The tip of the tongue reacts best to bitter taste.

True or False

A
  1. False
    pp. 534-535

Chapter 24: Sense Organs

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9
Q
  1. Which of the following is a structure of the middle ear?
    a. incus
    b. oval window
    c. cranial nerve VII
    d. vestibule
A
  1. a. incus
    p. 537

Chapter 24: Sense Organs

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10
Q
  1. The auditory tube connects the:
    a. inner ear and cranial nerve VIII.
    b. middle ear and the auditory ossicles.
    c. middle ear and the nasopharynx.
    d. oval window and the round window.
A
  1. c. middle ear and the nasopharynx.
    p. 538

Chapter 24: Sense Organs

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11
Q
  1. The only structure of the inner ear concerned with hearing is the:
    a. utricle.
    b. saccule.
    c. semicircular canals.
    d. cochlear duct.
A
  1. d. cochlear duct.
    p. 538

Chapter 24: Sense Organs

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12
Q
  1. Otoliths are:
    a. responsible for tinnitus.
    b. responsible for the “righting reflex.”
    c. responsible for excess ear wax.
    d. ear stones.
A
  1. d. ear stones.
    p. 540

Chapter 24: Sense Organs

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13
Q
  1. The neuronal pathway of hearing begins at the:
    a. vestibular nerve.
    b. cochlear nerve.
    c. vestibulocochlear nerve.
    d. cranial nerve VII.
A
  1. b. cochlear nerve.
    p. 540

Chapter 24: Sense Organs

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14
Q
  1. Dynamic equilibrium depends on the functioning of the:
    a. organ of Corti.
    b. crista ampullaris.
    c. macula.
    d. tectorial membrane.
A
  1. b. crista ampullaris.
    p. 541

Chapter 24: Sense Organs

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15
Q
  1. The sense organ(s) responsible for the sense of balance is/are located in the:
    a. vestibule.
    b. cochlea.
    c. semicircular canals.
    d. both a and c.
A
  1. d. both a and c.
    p. 540

Chapter 24: Sense Organs

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16
Q
  1. ______ The membranous labyrinth is filled with endolymph.

True or False

A
  1. True
    p. 538

Chapter 24: Sense Organs

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17
Q
  1. ______ The correct order of the auditory ossicles from deep to the tympanic membrane is incus, malleus, and stapes.

True or False

A
  1. False
    p. 537

Chapter 24: Sense Organs

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18
Q
  1. ______ If the hairs of the organ of Corti are damaged, nerve deafness results—even if the vestibulocochlear nerve is healthy.

True or False

A
  1. True
    p. 540

Chapter 24: Sense Organs

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19
Q
  1. ______ Movement of the tympanic membrane from sound waves initiates vibration of the auditory ossicles.

True or False

A
  1. True
    p. 540

Chapter 24: Sense Organs

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20
Q
  1. ______ Vertigo essentially means “fear of heights.”

True or False

A
  1. False
    p. 541

Chapter 24: Sense Organs

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21
Q
  1. From superficial to deep, the three layers of tissue that compose the eyeball are:
    a. sclera, retina, choroid.
    b. choroid, sclera, retina.
    c. sclera, choroid, retina.
    d. retina, choroid, sclera.
A
  1. c. sclera, choroid, retina.
    p. 544

Chapter 24: Sense Organs

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22
Q
  1. The anterior portion of the sclera is called the:
    a. cornea.
    b. iris.
    c. lens.
    d. conjunctiva.
A
  1. a. cornea.
    p. 544

Chapter 24: Sense Organs

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23
Q
  1. The neurons of the retina, in the order in which they conduct impulses, are:
    a. photoreceptor neurons, bipolar neurons, ganglion neurons.
    b. photoreceptor neurons, ganglion neurons, bipolar neurons.
    c. bipolar neurons, photoreceptor neurons, ganglion neurons.
    d. bipolar neurons, ganglion neurons, photoreceptor neurons.
A
  1. a. photoreceptor neurons, bipolar neurons, ganglion neurons.
    p. 546

Chapter 24: Sense Organs

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24
Q
  1. All of the axons of ganglion neurons extend back to an area of the posterior eyeball called the:
    a. fovea centralis.
    b. macula lutea.
    c. canal of Schlemm.
    d. optic disk.
A
  1. d. optic disk.
    p. 546

Chapter 24: Sense Organs

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25
Q
  1. Which of the following spaces contains the vitreous body?
    a. anterior chamber
    b. posterior chamber
    c. anterior cavity
    d. posterior cavity
A
  1. d. posterior cavity
    p. 547

Chapter 24: Sense Organs

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26
Q
  1. The white of the eye is called the:
    a. sclera.
    b. choroid.
    c. retina.
    d. cornea.
A
  1. a. sclera.
    p. 544

Chapter 24: Sense Organs

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27
Q
  1. The function of the lacrimal gland is to:
    a. secrete aqueous humor.
    b. secrete vitreous humor.
    c. secrete tears.
    d. none of the above.
A
  1. c. secrete tears.
    p. 543

Chapter 24: Sense Organs

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28
Q
  1. Accommodation of the lens for near vision necessitates:
    a. increased curvature of the lens.
    b. relaxation of the ciliary muscle.
    c. contraction of the suspensory ligament.
    d. dilation of the pupil.
A
  1. a. increased curvature of the lens.
    p. 548

Chapter 24: Sense Organs

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29
Q
  1. People whose acuity is worse than 20/200 after correction are considered to be:
    a. nearsighted.
    b. farsighted.
    c. legally blind.
    d. none of the above.
A
  1. c. legally blind.
    p. 548

Chapter 24: Sense Organs

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30
Q
  1. An intrinsic eye muscle is the:
    a. iris.
    b. pupil.
    c. sclera.
    d. retina.
A
  1. a. iris.
    p. 544

Chapter 24: Sense Organs

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31
Q
  1. ______ Mucous membrane, called canthus, lines each eyelid.

True or False

A
  1. False
    p. 543

Chapter 24: Sense Organs

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32
Q
  1. ______ All the muscles associated with the eye are smooth or involuntary.

True or False

A
  1. False
    p. 544

Chapter 24: Sense Organs

33
Q
  1. ______ Conjunctivitis is a highly contagious infection.

True or False

A
  1. True
    p. 555

Chapter 24: Sense Organs

34
Q
  1. ______ Corneal tissue is avascular.

True or False

A
  1. True
    p. 544

Chapter 24: Sense Organs

35
Q
  1. ______ Deficiency of the blue-sensitive photopigments is the most common form of color blindness.

True or False

A
  1. False
    p. 550

Chapter 24: Sense Organs

36
Q
  1. ______ The opening and separation of opsin and retinal in the presence of light is called bleaching.

True or False

A
  1. True
    p. 550

Chapter 24: Sense Organs

37
Q
  1. ______ The retina is the incomplete innermost coat of the eyeball in that it has no anterior portion.

True or False

A
  1. True
    p. 546

Chapter 24: Sense Organs

38
Q
  1. ______ Refraction means “the deflection or bending of light rays.”

True or False

A
  1. True
    p. 548

Chapter 24: Sense Organs

39
Q
  1. ______ A person with a 20/100 vision can see objects at 100 feet that a person with normal vision can see at 20 feet.

True or False

A
  1. False
    p. 548

Chapter 24: Sense Organs

40
Q
  1. ______ A person with strabismus usually has double vision.

True or False

A
  1. False
    p. 550

Chapter 24: Sense Organs

41
Q
  1. ______ inherited bone disorder that impairs conduction by causing structural irregularities in the stapes
    a. tinnitus
    b. presbycusis
    c. otosclerosis
    d. otitis media
    e. vertigo
    f. Ménière disease
A
  1. c. otosclerosis
    p. 553

Chapter 24: Sense Organs

42
Q
  1. ______ “ringing in the ear”
    a. tinnitus
    b. presbycusis
    c. otosclerosis
    d. otitis media
    e. vertigo
    f. Ménière disease
A
  1. a. tinnitus
    p. 553

Chapter 24: Sense Organs

43
Q
  1. ______ middle ear infection
    a. tinnitus
    b. presbycusis
    c. otosclerosis
    d. otitis media
    e. vertigo
    f. Ménière disease
A
  1. d. otitis media
    p. 553

Chapter 24: Sense Organs

44
Q
  1. ______ sensation of spinning
    a. tinnitus
    b. presbycusis
    c. otosclerosis
    d. otitis media
    e. vertigo
    f. Ménière disease
A
  1. e. vertigo
    p. 554

Chapter 24: Sense Organs

45
Q
  1. ______ progressive hearing loss associated with aging
    a. tinnitus
    b. presbycusis
    c. otosclerosis
    d. otitis media
    e. vertigo
    f. Ménière disease
A
  1. b. presbycusis
    p. 553

Chapter 24: Sense Organs

46
Q
  1. ______ chronic inner ear disease characterized by progressive nerve deafness and vertigo
    a. tinnitus
    b. presbycusis
    c. otosclerosis
    d. otitis media
    e. vertigo
    f. Ménière disease
A
  1. f. Ménière disease
    p. 554

Chapter 24: Sense Organs

47
Q
  1. ______ nearsightedness
    a. trachoma
    b. retinopathy
    c. myopia
    d. glaucoma
    e. astigmatism
    f. conjunctivitis
    g. nyctalopia
    h. hyperopia
    i. scotoma
    j. cataracts
A
  1. c. myopia
    p. 554

Chapter 24: Sense Organs

48
Q
  1. ______ an irregularity in the cornea
    a. trachoma
    b. retinopathy
    c. myopia
    d. glaucoma
    e. astigmatism
    f. conjunctivitis
    g. nyctalopia
    h. hyperopia
    i. scotoma
    j. cataracts
A
  1. e. astigmatism
    p. 554

Chapter 24: Sense Organs

49
Q
  1. ______ “pink-eye”
    a. trachoma
    b. retinopathy
    c. myopia
    d. glaucoma
    e. astigmatism
    f. conjunctivitis
    g. nyctalopia
    h. hyperopia
    i. scotoma
    j. cataracts
A
  1. f. conjunctivitis
    p. 555

Chapter 24: Sense Organs

50
Q
  1. ______ chlamydial conjunctivitis
    a. trachoma
    b. retinopathy
    c. myopia
    d. glaucoma
    e. astigmatism
    f. conjunctivitis
    g. nyctalopia
    h. hyperopia
    i. scotoma
    j. cataracts
A
  1. a. trachoma
    p. 555

Chapter 24: Sense Organs

51
Q
  1. ______ cloudy spots in the eye’s lens
    a. trachoma
    b. retinopathy
    c. myopia
    d. glaucoma
    e. astigmatism
    f. conjunctivitis
    g. nyctalopia
    h. hyperopia
    i. scotoma
    j. cataracts
A
  1. j. cataracts
    p. 554

Chapter 24: Sense Organs

52
Q
  1. ______ often caused by diabetes mellitus
    a. trachoma
    b. retinopathy
    c. myopia
    d. glaucoma
    e. astigmatism
    f. conjunctivitis
    g. nyctalopia
    h. hyperopia
    i. scotoma
    j. cataracts
A
  1. b. retinopathy
    p. 555

Chapter 24: Sense Organs

53
Q
  1. ______ farsightedness
    a. trachoma
    b. retinopathy
    c. myopia
    d. glaucoma
    e. astigmatism
    f. conjunctivitis
    g. nyctalopia
    h. hyperopia
    i. scotoma
    j. cataracts
A
  1. h. hyperopia
    p. 554

Chapter 24: Sense Organs

54
Q
  1. ______ “night blindness”
    a. trachoma
    b. retinopathy
    c. myopia
    d. glaucoma
    e. astigmatism
    f. conjunctivitis
    g. nyctalopia
    h. hyperopia
    i. scotoma
    j. cataracts
A
  1. g. nyctalopia
    p. 555

Chapter 24: Sense Organs

55
Q
  1. ______ loss of only the center of the visual field
    a. trachoma
    b. retinopathy
    c. myopia
    d. glaucoma
    e. astigmatism
    f. conjunctivitis
    g. nyctalopia
    h. hyperopia
    i. scotoma
    j. cataracts
A
  1. i. scotoma
    p. 555

Chapter 24: Sense Organs

56
Q
  1. ______ excessive intraocular pressure caused by abnormal accumulation of aqueous humor
    a. trachoma
    b. retinopathy
    c. myopia
    d. glaucoma
    e. astigmatism
    f. conjunctivitis
    g. nyctalopia
    h. hyperopia
    i. scotoma
    j. cataracts
A
  1. d. glaucoma
    p. 555

Chapter 24: Sense Organs

57
Q

Applying What You Know!

  1. Jada became ill repeatedly with throat infections during her first few years of school. Lately she has noticed that whenever she has a throat infection, her ears become very sore also.

What might be the cause of this additional problem?

A
  1. The eustachian tube connects the throat to the middle ear and provides a perfect pathway for the spread of infection.

Chapter 24: Sense Organs

58
Q

Applying What You Know!

  1. Deb is a woman with unusually poor vision. Without glasses, she needs to stand 20 feet away from an object to see it, whereas a person with normal vision could see that same object from 400 feet.

Question a. How would you quantify her visual acuity?

Question b. What must she score in a visual acuity exam after correction with glasses to avoid being designated as legally blind?

Question c. With which type of refraction disorder is she afflicted?

Question d. What shape lenses would be required to focus a clear image on her retina?

A
  1. (a) Legally blind
    (b) 20/200
    (c) myopia
    (d) concave contact lenses or glasses

Chapter 24: Sense Organs

59
Q
  1. Where are the specialized mechanoreceptors of hearing and balance located?
    a. inner ear
    b. malleus
    c. helix
    d. all of the above
A
  1. a. inner ear
    p. 538

Chapter 24: Sense Organs

60
Q
  1. The organ of Corti is the sense organ of what sense?
    a. sight
    b. hearing
    c. pressure
    d. taste
A
  1. b. hearing
    p. 539

Chapter 24: Sense Organs

61
Q
  1. Where are taste sensations interpreted?
    a. cerebral cortex
    b. nasal cavity
    c. area of stimulation
    d. none of the above
A
  1. a. cerebral cortex
    p. 536

Chapter 24: Sense Organs

62
Q
  1. An eye physician is an:
    a. oculist.
    b. optometrist.
    c. ophthalmologist.
    d. none of the above.
A
  1. c. ophthalmologist.
    p. 542

Chapter 24: Sense Organs

63
Q
  1. Which of the following statements about the sclera is true?
    a. It is a mucous membrane.
    b. It is called the white of the eye.
    c. It lies behind the iris.
    d. All of the above are true.
A
  1. b. It is called the white of the eye
    p. 544

Chapter 24: Sense Organs

64
Q
  1. Which of the following is activated by chemoreceptors?
    a. rods and cones
    b. gustatory cells
    c. organ of Corti
    d. cristae ampullares
A
  1. b. gustatory cells
    p. 535

Chapter 24: Sense Organs

65
Q
  1. The retina contains microscopic receptor cells called:
    a. mechanoreceptors.
    b. chemoreceptors.
    c. olfactory receptors.
    d. rods and cones.
A
  1. d. rods and cones.
    p. 546

Chapter 24: Sense Organs

66
Q
  1. Which two involuntary muscles make up the front part of the eye?
    a. malleus and incus
    b. iris and ciliary muscle
    c. retina and pacinian muscle
    d. sclera and iris
A
  1. b. iris and ciliary muscle
    p. 545

Chapter 24: Sense Organs

67
Q
  1. Which of the following statements about gustatory sense organs is true?
    a. They are called taste buds.
    b. They are innervated by cranial nerves VII and IX.
    c. They work together with the olfactory senses.
    d. All of the above are true.
A
  1. d. All of the above are true.
    p. 534

Chapter 24: Sense Organs

68
Q
  1. The external ear consists of the:
    a. auricle and external acoustic meatus.
    b. labyrinth.
    c. organ of Corti and cochlea.
    d. none of the above.
A
  1. a. auricle and external acoustic meatus.
    p. 537

Chapter 24: Sense Organs

69
Q
  1. ______ The tympanic membrane separates the middle ear from the external ear.

True or False

A
  1. True
    p. 537

Chapter 24: Sense Organs

70
Q
  1. ______ Glaucoma may result from a blockage of flow of the vitreous body.

True or False

A
  1. False
    p. 555

Chapter 24: Sense Organs

71
Q
  1. ______ With the condition of presbyopia, the eye lens loses its elasticity.

True or False

A
  1. True
    p. 554

Chapter 24: Sense Organs

72
Q
  1. ______ The crista ampullaris is located in the nasal cavity.

True or False

A
  1. False
    p. 541

Chapter 24: Sense Organs

73
Q
  1. ______ Myopia occurs when images are focused in front of the retina rather than on it.

True or False

A
  1. True
    p. 554

Chapter 24: Sense Organs

74
Q
  1. ______ Light enters through the pupil, and the size of the pupil is regulated by the iris.

True or False

A
  1. True
    p. 545

Chapter 24: Sense Organs

75
Q
  1. ______ The retina is the innermost layer of the eye and contains structures called rods.

True or False

A
  1. True
    p. 546

Chapter 24: Sense Organs

76
Q
  1. ______ The olfactory receptors are chemical receptors.

True or False

A
  1. True
    p. 533

Chapter 24: Sense Organs

77
Q
  1. ______ Meissner’s corpuscle is a tactile corpuscle.

True or False

A
  1. True
    p. 526 (review of previous chapter material)

Chapter 24: Sense Organs

78
Q
  1. ______ The macula provides information related to head position or acceleration.

True or False

A
  1. True
    p. 540

Chapter 24: Sense Organs

xxx Term 2: BIO 202.2 Human A&P II (20 decks)

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