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Chapter 13: Sensory System

66 Questions
Sensory System Quizzes & Trivia

Anatomy Chapter 13 A& P 1

Questions and Answers
  • 1. 
    • 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. 
    • A. 

      Suspensory ligaments

    • B. 

      Iris

    • C. 

      Retina

    • D. 

      Macula lutea

  • 7. 
    • A. 

      Retina

    • B. 

      Iris

    • C. 

      Cornea

    • D. 

      Suspensory ligaments

  • 8. 
    • 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. 
    • 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. 
    • 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. 
    • 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. 
    • 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. 
    • 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