Eyelids

32 Questions | Total Attempts: 385

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Eye Quizzes & Trivia

Questions and Answers
  • 1. 
    Which of the following is when the accessory row of eyelashes either partial or complete emerjes adjacent to or from the opening of the meibomian glands?
    • A. 

      Distichiasis

    • B. 

      Trichiasis

    • C. 

      Horner syndrome

    • D. 

      Entropian

  • 2. 
    Which of the following is part of the posterior lamella (pick three)
    • A. 

      Tarsal plate

    • B. 

      Conjunctiva

    • C. 

      Meibomian glands

    • D. 

      Zeis and moll glands

    • E. 

      Orbicularis oculi muscle

    • F. 

      Skin

  • 3. 
    Which of the following is part of the anterior lamella (pick three)
    • A. 

      Tarsal plate

    • B. 

      Conjunctiva

    • C. 

      Meibomian glands

    • D. 

      Zeis and moll glands

    • E. 

      Orbicularis oculi muscle

    • F. 

      Skin

  • 4. 
    Which of the following can result in inflammation leading to hordeolum or chalazion?
    • A. 

      Abnormality of keratinization

    • B. 

      Lack of enzyme tyrosinase

    • C. 

      Too much osmolarity of the tear film

    • D. 

      None of the above

    • E. 

      All of the above

  • 5. 
    Which of the following is when the accessory row of eyelashes either partial or complete emerjes adjacent to or from the opening of the meibomian glands?
    • A. 

      Distichiasis

    • B. 

      Trichiasis

    • C. 

      Horner syndrome

    • D. 

      Entropian

  • 6. 
    Which of the following is when the normal eyelashes develop and have an abnormal orientation, and grow in instead of out.
    • A. 

      Distichiasis

    • B. 

      Trichiasis

    • C. 

      Horner syndrome

    • D. 

      Entropian

  • 7. 
    Which of the following is true of distichiasis? (select 3)
    • A. 

      Usually occurs from chronic inflammation

    • B. 

      A mucocutaneous disease

    • C. 

      Can result from ocular cicatricial pemphigoid and stevens-johnson syndrome

    • D. 

      Can result from bell's phenomenom

    • E. 

      When normal eyelashes develop and have an abnormal orientation

  • 8. 
    In what way does contraction of the orbicularis oculi muscle help in lacrimal pump mechanism?
    • A. 

      The pretarsal muscle surrounding the canaculi helps squeeze in the lacrimal drainage system

    • B. 

      The preseptal muscle surrounding the canaculi helps squeeze in the lacrimal drainage system

    • C. 

      The orbital portion surrounding the canaculi helps squeeze in the lacrimal drainage system

    • D. 

      All of the above

  • 9. 
    Which muscle is not involved in opening the eye?
    • A. 

      Orbicularis oculi

    • B. 

      Levator palpebrae superioris

    • C. 

      Retractors of the lower lids

    • D. 

      Smooth muscle of muller

  • 10. 
    Which of the following is true of the levator palpebrae superioris? (select 3)
    • A. 

      Chief retractor

    • B. 

      Innervated by cranial nerve 3

    • C. 

      Equal innervation: R&L yoked

    • D. 

      Innervated by cranial nerve 7

    • E. 

      Chief closer

  • 11. 
    The superior tarsal muscle is also called muller or mueller's smooth muscle
    • A. 

      True

    • B. 

      False

  • 12. 
    Which of the following muscles is analagous to mullers?
    • A. 

      Inferior tarsal

    • B. 

      Superior tarsal

    • C. 

      Orbicularis oculi

    • D. 

      Levator palpebrae superioris

  • 13. 
    Which of the following is true of the levator aponeurosis of the levator palpebrae superioris? (Select 3)
    • A. 

      Inserts into the anterior tarsal

    • B. 

      Inserts into the posterior tarsal

    • C. 

      If disinserts from the tarsal can leads to ptosis

    • D. 

      Passes through the orbicularis muscle

    • E. 

      Inserts into the epidermis

  • 14. 
    Which of the following is true of the mullers muscle? (select 3)
    • A. 

      Minor retractor of the upper eyelid (2 mm of upper lid elevation)

    • B. 

      Innervated by the sympathetic nervous system

    • C. 

      Main receptor type is alpha 2

    • D. 

      Chief retractor of the upper eyelid

    • E. 

      Main receptor type is beta 1

    • F. 

      Innervated by cranial nerve 3

  • 15. 
    What are other names for horner's syndrome? (select 2)
    • A. 

      Claude bernard-horner syndrome

    • B. 

      Oculosympathetic palsy

    • C. 

      Ocular cicatricial pemphigoid

    • D. 

      Stevens-johnson syndrome

  • 16. 
    Which of the following is true of the force generation test (select 3)?
    • A. 

      It helps determine the functioning of the levator

    • B. 

      Can help one differentiate between the types of ptosis

    • C. 

      Done by attaching a force transducer to the lashes and measuring the maximum force generated during upgaze

    • D. 

      It's done by measuring the amount of displacement of the upper eyelid from down gaze to upgaze after fixing the frontalis muscle at the brow

    • E. 

      Done by attaching a force transducer to the lashes and measuring the median force generated during downgaze

  • 17. 
    Which of the following is true of the LPS? (select 3)
    • A. 

      Hering's law can be applied to its innervation

    • B. 

      Motor neurons arise from the oculomotor complex

    • C. 

      Multiple neurons innervate the levator unilaterally

    • D. 

      A single neuron innervates the levator muscle bilaterally

    • E. 

      LPS relaxes with tarsal muscle stimulation

  • 18. 
    Which of the following is true of lid closure? (select 3)
    • A. 

      Palpebral portion: more excitable, rapid blink, relex. spontaneous or basic blink

    • B. 

      Orbital portion: less excitable, forced, prolonged closure

    • C. 

      Voluntary wink uses palpebral and orbital portion

    • D. 

      Orbital portion: more excitable, rapid blink, relex. spontaneous or basic blink

    • E. 

      Palpebral portion: less excitable, forced, prolonged closure

    • F. 

      Voluntary wink uses only orbital portion

  • 19. 
    The chronaxie of the palpebral orbicularis oculi is related to the orbital potion how?
    • A. 

      Since it is a slower motion it is 1/2X the orbitals chronaxie

    • B. 

      Since it is a faster motion it is 1/2X the orbitals chronaxie

    • C. 

      Since it is a slower motion it is 2X the orbitals chronaxie

    • D. 

      Since it is a faster motion it is 2X the orbitals chronaxie

  • 20. 
    Rapid movement requires low chronaxie
    • A. 

      True

    • B. 

      False

  • 21. 
    Which of the following is true of the sensory innervation of the lid? (select 3)
    • A. 

      Comes from the ophthalmic branch of the trigeminal nerve

    • B. 

      It comes from cranial nerve 3

    • C. 

      The plexus of nerves is deep to palpebral fibers of the tarsal muscle

    • D. 

      The plexus of nerves is deep to palpebral fibers of the orbicularis oculi muscle

    • E. 

      Requires deep penetration for anesthesia

  • 22. 
    Rapid movement requires high chronaxie
    • A. 

      True

    • B. 

      False

  • 23. 
    Which of the following is true of Bell's phenomenon? (Select 3)
    • A. 

      It is a normal protective response

    • B. 

      Disappears when there is a lesion above the pons

    • C. 

      It is the upward and outward rotation of globe with forced closure, sleep

    • D. 

      It is an abnormal response due to a brainstem lesion

    • E. 

      Signals are NOT intact in the midbrain or infranuclear pathway in lower motor neuron palsy

  • 24. 
    Which of the following matches are correct? (select 3)
    • A. 

      Simple: dystrophy of the levator muscle. lid lags on down gaze and higher than normal lid crease

    • B. 

      Synkinetic: innervation of the levator muscle by V# known as Marcus Gunn jaw-winking syndrome where eyelid retracts with ipsilateral pterygoid muscle contraction

    • C. 

      Aponeurotic: failure of the aponeurosis to insert on the anterior surface of the tarsus and skin crease is high

    • D. 

      Myotonic: epicanthus inversus, telecanthus, and amblyopia

    • E. 

      Collier's sign: dystrophy of the levator muscle. lid lags on down gaze and higher than normal lid crease

    • F. 

      Blepharophimosis: seen with myotonia and progressive muscle weakness and possible cataracts

  • 25. 
    Which of the following can lead to blepharospasm
    • A. 

      Idiopathic causes

    • B. 

      Drug induced

    • C. 

      Keratitis

    • D. 

      Parkison's

    • E. 

      All of the above

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