Chapter 13: Sensory System

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Sensory System Quizzes & Trivia
Anatomy Chapter 13 A& P 1

  
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  • 1. 
    What is the name of the specialized area of a sensory neuron that detects a specific stimulus?
    • A. 

      Tract

    • B. 

      Receptor

    • C. 

      Dorsal root

    • D. 

      Node of Ranvier


  • 2. 
    Photoreceptors detect
    • A. 

      Heat

    • B. 

      Acid

    • C. 

      Light

    • D. 

      Tissue distortion


  • 3. 
    A nociceptor detects
    • A. 

      Pain

    • B. 

      Light

    • C. 

      Radiation

    • D. 

      [H+]


  • 4. 
    Olfacation refers to the sense of
    • A. 

      Vision

    • B. 

      Taste

    • C. 

      Smell

    • D. 

      Equilibrium


  • 5. 
    The gustatory sensation is most related to the
    • A. 

      Eight cranial nerve

    • B. 

      Rods and cones

    • C. 

      Organ of Corti

    • D. 

      Taste buds


  • 6. 
    The colored part of the eye that contains the intrinsic eye muscles: the circular muscle and the radial muscles
    • A. 

      Suspensory ligaments

    • B. 

      Iris

    • C. 

      Retina

    • D. 

      Macula lutea


  • 7. 
    This structure is attached to the lens, causing its shape to be changed
    • A. 

      Retina

    • B. 

      Iris

    • C. 

      Cornea

    • D. 

      Suspensory ligaments


  • 8. 
    Which of the following is least related to the retina?
    • A. 

      Rods and cones

    • B. 

      Fovea centralis

    • C. 

      Cornea

    • D. 

      Macula lutea


  • 9. 
    The cerebral lobe is concerned primarily with vision
    • A. 

      Precentral gyrus

    • B. 

      Postcentral gyrus

    • C. 

      Occipital

    • D. 

      Corpus callosum


  • 10. 
    Which of the following structures secretes tears?
    • A. 

      Lacrimal gland

    • B. 

      Optic disc

    • C. 

      Canal of Schlemm

    • D. 

      Ciliary body


  • 11. 
    Which of the following structures is located on the outside of the eye?
    • A. 

      Conjunctiva

    • B. 

      Ciliary body

    • C. 

      Lens

    • D. 

      Vitreous humor


  • 12. 
    Rods
    • A. 

      Are concentrated in the macula lutea

    • B. 

      Detect red, yellow, and blue colors

    • C. 

      Are concerned with night vision

    • D. 

      Are located in the occipital lobe


  • 13. 
    This layer of the eyebal supplies blood to the retina
    • A. 

      Rods and cones

    • B. 

      Sclera

    • C. 

      Choroid

    • D. 

      Iris


  • 14. 
    The superior rectus muscle
    • A. 

      Causes miosis

    • B. 

      Causes mydriasis

    • C. 

      Moves the eyeball

    • D. 

      Regulated accomodation


  • 15. 
    Which of the following is located in the posterior cavity of the eyeball?
    • A. 

      Vitreous humor

    • B. 

      Cornea

    • C. 

      Lens

    • D. 

      Ciliary muscle


  • 16. 
    Which of the following is least related to the optic nerve?
    • A. 

      Cranial nerve II

    • B. 

      Sensory nerve

    • C. 

      Conveys information from the retina to the occipital lobe

    • D. 

      Innervates the extrinsic eye muscles


  • 17. 
    An increase of intraocular pressure is most likely to cause
    • A. 

      Cataracts

    • B. 

      Damage to the retina, leading to blindness

    • C. 

      Macular degeneration

    • D. 

      Night blindness


  • 18. 
    The sclera
    • A. 

      Is the outer layer of the eyeball

    • B. 

      Contains the rods and cones

    • C. 

      Scretes aqueous humor

    • D. 

      Is the attachment site for the suspensory ligaments


  • 19. 
    A cataract is a
    • A. 

      Retinal detachment

    • B. 

      Bulging optic disc

    • C. 

      Cloudy lens

    • D. 

      Scarred cornea


  • 20. 
    What is the location of the semicircular canals and the cochlea?
    • A. 

      Inner ear

    • B. 

      Middle ear

    • C. 

      Outer ear

    • D. 

      Pharynx


  • 21. 
    The malleusm incus, and stapes are called
    • A. 

      Organ of Corti

    • B. 

      Hearing receptors

    • C. 

      Ossicles

    • D. 

      Cartilage


  • 22. 
    These hairlike recptors are located in the cochlea
    • A. 

      Ossicles

    • B. 

      Rods and cones

    • C. 

      Organ of Corti

    • D. 

      Adenoids


  • 23. 
    What is the name of the tube that connects the pharynx and middle ear?
    • A. 

      Vestibule

    • B. 

      Oval window

    • C. 

      Eustachian

    • D. 

      Cochlea


  • 24. 
    This structure seperates the outer ear from the middle ear
    • A. 

      Tympanic membrane

    • B. 

      Pinna

    • C. 

      Round window

    • D. 

      Oval window


  • 25. 
    This ossicle sits in the oval window
    • A. 

      Malleus

    • B. 

      Hammer

    • C. 

      Stapes

    • D. 

      Incus


  • 26. 
    Bone conduction occurs here
    • A. 

      Outer ear

    • B. 

      Middle ear

    • C. 

      Inner ear

    • D. 

      Semicircular canals


  • 27. 
    Cerumen collects hear
    • A. 

      Middle ear

    • B. 

      Inner ear

    • C. 

      Outer ear

    • D. 

      Eustachian tube


  • 28. 
    Which of the following is least related to the vestibulocochlear nerve?
    • A. 

      Cranial nerve VIII

    • B. 

      The cochlear branch send info to the temporal lobe

    • C. 

      Concerned with both hearing and balance

    • D. 

      Classified as a motor nerve


  • 29. 
    The semicircular canals are concerned with
    • A. 

      Secretion of cerumen

    • B. 

      Equalizing pressure across the tympanic membrane

    • C. 

      Balance

    • D. 

      Smell


  • 30. 
    This cerebral lobe is concerned primarily with hearing
    • A. 

      Occipital

    • B. 

      Cerebellum

    • C. 

      Corpus callosum

    • D. 

      Temporal lobe


  • 31. 
    What is the condition caused by impaired drainage of aqueous humor through the canal od Schlemm that increases introcular pressure?
    • A. 

      Cataracts

    • B. 

      Glaucoma

    • C. 

      Strabismus

    • D. 

      Conjunctivitis


  • 32. 
    Rods and cones are called
    • A. 

      Glial cells

    • B. 

      Refracting strucutres

    • C. 

      Visual reflexes

    • D. 

      Receptors


  • 33. 
    What is the condition caused by unequal tension exerted by the extrinsic eye muscles?
    • A. 

      "pink eye"

    • B. 

      Strabismus

    • C. 

      Glaucoma

    • D. 

      Cataracts


  • 34. 
    What does a "choked disc" indicate?
    • A. 

      Increases intraocular pressure

    • B. 

      Glaucoma

    • C. 

      Increased intracranial pressure

    • D. 

      Strabismus


  • 35. 
    What is the effect of contraction and relaxation of the ciliary muscle?
    • A. 

      Dilated pupil

    • B. 

      Change in shape of the lens

    • C. 

      Raised eyelid

    • D. 

      Blinking


  • 36. 
    This gel'like substance gently pushes the retina against the choroid and maintains the shape of the eyeball
    • A. 

      Aqueous humor

    • B. 

      Vitreous humor

    • C. 

      Lacrimal secretions

    • D. 

      Perilymph


  • 37. 
    What is the function of the vestibule and the semicircular canals?
    • A. 

      Hearing

    • B. 

      Smell

    • C. 

      Balance

    • D. 

      Touch and pressure


  • 38. 
    Which of the following is most related to refraction?
    • A. 

      Rods and cones

    • B. 

      Retinas

    • C. 

      Lens

    • D. 

      Light


  • 39. 
    Which of the following is one of the special senses?
    • A. 

      Touch

    • B. 

      Pain

    • C. 

      Balance

    • D. 

      Proprioception


  • 40. 
    Which of the following is concerned with the sense of smell?
    • A. 

      Vestibulocochlear nerve

    • B. 

      Eighth cranial nerve

    • C. 

      Organ of Corti

    • D. 

      Olfacation


  • 41. 
    There is a heavy concentration of cones in this area of the retina
    • A. 

      Fovea centralis

    • B. 

      Iris

    • C. 

      Optic disc

    • D. 

      Cornea


  • 42. 
    What is the name is the venous sinuses that drains the aqueous humor?
    • A. 

      Lateral canthus

    • B. 

      Macula lutea

    • C. 

      Canal of Schlemm

    • D. 

      Pupil


  • 43. 
    Which structure is affected by the contraction and relaxation of the ciliary muscles?
    • A. 

      Cornea

    • B. 

      Lens

    • C. 

      Macula lens

    • D. 

      Optic chiasm


  • 44. 
    Which of the following is considered the blind spot?
    • A. 

      Macula lutea

    • B. 

      Optic chiasm

    • C. 

      Fovea centralis

    • D. 

      Optic disc


  • 45. 
    In this condition, the eyelid is not completely raised, thereby making the person appear sleepy
    • A. 

      Glaucoma

    • B. 

      Cataracts

    • C. 

      Ptosis of the lid

    • D. 

      Lid lag


  • 46. 
    Myopia, farsightness, and astigmatism are
    • A. 

      Errors of refraction

    • B. 

      Infections of the eye

    • C. 

      Types of strabismus

    • D. 

      Conditions of elevated intracular pressure


  • 47. 
    Lysozyme, an enzyme with antimicrobial activity, is found in
    • A. 

      Tears

    • B. 

      Vitreous humor

    • C. 

      Aqueous humor

    • D. 

      Endolymph


  • 48. 
    The eustachian tube connects the pharynx (throat) with this structure
    • A. 

      Cochlea

    • B. 

      Semicircular canals

    • C. 

      Middle ear

    • D. 

      External auditory meatus


  • 49. 
    Which of the following is most related to the sense of hearing?
    • A. 

      Semicircular canals

    • B. 

      First cranial nerve

    • C. 

      Organ of Corti

    • D. 

      Vestibular nerve


  • 50. 
    What is another name for tympanic membrane?
    • A. 

      Eardrum

    • B. 

      Stirrup

    • C. 

      Oval window

    • D. 

      Organ of Corti


  • 51. 
    The ossicle picks of vibrations from the tympanic membrane
    • A. 

      Stapes

    • B. 

      Malleus

    • C. 

      Stirrup

    • D. 

      Incus


  • 52. 
    Cerumen is
    • A. 

      Earwax

    • B. 

      Inner ear fluid

    • C. 

      Fluid that bends the organ of Corti

    • D. 

      Inner ear fluid that stimulates the balance receptors in the semicircular canals


  • 53. 
    Which of the following is most related to the stapes?
    • A. 

      Cerumen

    • B. 

      Semicircular canal

    • C. 

      Organ of Corti

    • D. 

      Middle ear ossicle


  • 54. 
    The optic nerve
    • A. 

      Receives sensory information from mechanoreceptors

    • B. 

      Transmits sensory information to the temporal lobe

    • C. 

      Is cranial nerve III

    • D. 

      Receives sensory information from the retina


  • 55. 
    The occipital lobe
    • A. 

      Receives information from cranial nerve III

    • B. 

      Sends motor information to the iris, thereby controlling pupillary size

    • C. 

      Receives sensory information from cranial nerve II

    • D. 

      Contains the primary auditory cortex


  • 56. 
    The choroid
    • A. 

      Contains the blood vessels that nourish the retina

    • B. 

      Secretes aqueous humor

    • C. 

      Is the window of the eye

    • D. 

      Is avascular


  • 57. 
    Tactile receptors are
    • A. 

      Located behind the lens in the vitreous humor

    • B. 

      Located within the semicircular canals

    • C. 

      Activated by touch and pressure

    • D. 

      Nociceptors


  • 58. 
    The medial canthus and lateral canthus are
    • A. 

      Corners of the eye where the upper and lower eyelids meet

    • B. 

      Lacrimal glands

    • C. 

      Ducts through which tears drain into the nose

    • D. 

      Sites of the attachment for the medial and lateral rectus muscles


  • 59. 
    Contraction of the orbicularis oculi
    • A. 

      Raises the eyelid

    • B. 

      Is innervated by the optic nerve

    • C. 

      Closes the eye

    • D. 

      Flattens the lens during refraction


  • 60. 
    The conjunctiva
    • A. 

      Covers the cornea

    • B. 

      Is a mucous membrane

    • C. 

      Contains blood vessels that nourish the retina

    • D. 

      Secretes aqueous humor


  • 61. 
    Which of the following best describes pupillary dilation?
    • A. 

      Miosis

    • B. 

      Refraction

    • C. 

      Amblyopia

    • D. 

      Mydriasis


  • 62. 
    Which of the following equipment is used to elicit the photopupillary reflex?
    • A. 

      Hammer

    • B. 

      Penlight

    • C. 

      Bell

    • D. 

      Snellen chart


  • 63. 
    Contraction of the radial muscles of the iris causes
    • A. 

      Mydriasis

    • B. 

      Pinpoint pupils

    • C. 

      Both eyeblls to gaze skyward

    • D. 

      Both eyeballs to deviate medially


  • 64. 
    Pinpoint pupils
    • A. 

      Describe the size of the pupils in a darkened room

    • B. 

      Are caused by the contraction of the circular muscles of the iris

    • C. 

      Are caused by mydriatic drugs

    • D. 

      Are caused by the contraction of the radial muscles of the iris


  • 65. 
    Which group is incorrect?
    • A. 

      Tunics of the eyeball: sclera, choroid, retina

    • B. 

      General senses: pain, temperature, touch, pressure, proprioception

    • C. 

      Special senses: hearing, sight, smell, taste, balance

    • D. 

      Errors of refraction: myopia, farsightedness, astigmatism, glaucoma


  • 66. 
    Which group is incorrect?
    • A. 

      Special senses: hearing, sight, taste, balance, pain, pressure

    • B. 

      Errors of refraction: myopia, farsightedness, astigmatism, presbyopia

    • C. 

      Structures of the inner ear: semicircular canals, vestibule, cochlea

    • D. 

      Ossicles: malleus, incus, stapes


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