Ocular Pharm Mt 1: Mydriatics + Cycloplegics

43 Questions | Total Attempts: 213

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Pharmacology Quizzes & Trivia

Are you an optician or a student aspiring to be an optician and need help to revise and test your knowledge on ocular pharmacy? The quiz below tests the mydiatrics and cycloplegic conditions of the eye.


Questions and Answers
  • 1. 
    What is the proper regiment for cycloplegic refraction in adults?
  • 2. 
    Mydriatics stimulate what division of the ANS?
    • A. 

      Cholinergic

    • B. 

      Adrenergic

    • C. 

      Neither

    • D. 

      Both depending on the dosage

  • 3. 
    Choose the indications for use of a mydriatic.
    • A. 

      Cycloplegia

    • B. 

      Pupillary dilation

    • C. 

      Testing for Horner's Syndrome

    • D. 

      Contstriction of ocular blood vessels (ocular decongestant)

  • 4. 
    Cycloplegis are ______ which are used in the eye to inhibit ____.
    • A. 

      Anti-cholinergics; accommodation

    • B. 

      Anti-cholinergics; pupillary constriction

    • C. 

      Adrenergic agonists; accommodation

    • D. 

      Adrenergic agonists; pupillary constriction

  • 5. 
    Choose the indications for use of cycloplegics.
    • A. 

      Uveitis

    • B. 

      Wet refractions

    • C. 

      DFEs

    • D. 

      Gonioscopy

  • 6. 
    Phenylephrine (a mydriatic) acts equally on alpha1 and beta receptors, since it is a non-selective adrenegic agonist.
    • A. 

      True

    • B. 

      False

  • 7. 
    What is the generally recommened concentration of phenyl for infants and elderly?
    • A. 

      0.12%

    • B. 

      1%

    • C. 

      2.5%

    • D. 

      10%

  • 8. 
    What is the 0.12% phenyl used for?
    • A. 

      Ocular decongestant

    • B. 

      Dx of Horner's

    • C. 

      For children

    • D. 

      More than one of the above

  • 9. 
    Which concentration of phenyl is used for Horner's syndrome?
    • A. 

      0.12%

    • B. 

      1%

    • C. 

      2.5%

    • D. 

      10%

  • 10. 
    To break posterior synechiae and for peripheral corneal vessels vasoconstriction during LASIK, what concentration of phenyl is used?
    • A. 

      0.12%

    • B. 

      1%

    • C. 

      2.5%

    • D. 

      10%

  • 11. 
    What is a rare but potential systemic side effect of phenyl?
  • 12. 
    For what situations would be phenyl be contraindicated?
    • A. 

      Narrow angle glc

    • B. 

      Narrow angles in general

    • C. 

      Low birth weight infants

    • D. 

      Elderly with atherosclerotic CVD

    • E. 

      Cerebrovascular dz

    • F. 

      Allergies to tropicamide

    • G. 

      Pts with low BP

  • 13. 
    Indicate the contraindicatesion for 10% phenyl.
    • A. 

      Type I diabetes

    • B. 

      Type II diabetes

    • C. 

      Orthostatic hypotension

    • D. 

      Advanced ASHD

    • E. 

      IOL

    • F. 

      Past refractive surgery

  • 14. 
    Strong action of 2.5% and 10% solutions on dilator muscle in older patients may result in what 30-45 minutes after use?
    • A. 

      Transient pigment floaters in AH

    • B. 

      Lens dislodgement

    • C. 

      Narrower angles

    • D. 

      Permanent mydiasis

  • 15. 
    Mydfrin is a geneic name for 10% phenyl
    • A. 

      True

    • B. 

      False

  • 16. 
    Pheynl is rarely used alone for mydriasis.
    • A. 

      True

    • B. 

      False

  • 17. 
    Cholinergic receptors in the tissue of the iris sphincter and CB are nicotinic in type.
    • A. 

      True

    • B. 

      False

  • 18. 
    Synechiea between the iris and the lens is one of the most common indications for use of cyclos.
    • A. 

      True

    • B. 

      False

  • 19. 
    Indicate all the contraindications for cyclo use.
    • A. 

      Primary glc

    • B. 

      Hypersensitivity to belladonna alkaloids

    • C. 

      Adhesions between the iris and lens

  • 20. 
    Anticholinegics can cause psychotic reactions and behavioral disturbances
    • A. 

      True

    • B. 

      False

  • 21. 
    What is the max concentration of cyclos that should be used in small infants?
    • A. 

      0.25%

    • B. 

      0.3%

    • C. 

      0.5%

    • D. 

      1%

  • 22. 
    What cyclo may cause CNS disturbances that may be dangerous in infants and children?
    • A. 

      Tropicamide

    • B. 

      Cyclopentolate

    • C. 

      Homatropine

    • D. 

      Atropine

    • E. 

      All of the above

    • F. 

      2 of the above

  • 23. 
    In Down syndrome pts and children with brain damage, cyclos (esp atropine) may not produce enough of a pupil response
    • A. 

      True

    • B. 

      False

  • 24. 
    Indicate the ocular side effects of anti-chols.
    • A. 

      Blurry vision

    • B. 

      Photophobia

    • C. 

      Visual hallucinations

    • D. 

      Conjunctivitis

    • E. 

      Sub conj heme with over use

  • 25. 
    Indicate the potential systemic side effects of anti-chols.
    • A. 

      Dryness of mouth and skin

    • B. 

      Tachycardia

    • C. 

      Headache

    • D. 

      Somnolence

    • E. 

      Nausea and vomiting

    • F. 

      Facial sweating

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