OPHTHALMOLOGY: PRACTICE 2

                            SINGLE BEST OPTION SERIES
          INSTRUCTION: SELECT THE SINGLE BEST OPTION
 

1.        Which of the following is incorrect about beta blockers in the treatment of glaucoma?
   a.       They act by reducing aqueous humour production.
   b.      They may exacerbate asthma
   c.       Timolol and levobunolol are treatment options
   d.      Hypotension and bradycardia may occur with the drugs
   e.      None of the above
   2.       The following drugs used in the treatment of glaucoma act by increasing aqueous humour outflow except:
   a.       Latanoprost
   b.      Apraclonidine
   c.       Brinzolamide
   d.      Brimonidine
   e.      None of the above
   3.       The following class of drugs are usually used in the management of glaucoma except:
   a.       Sympathomimetics
   b.      Phosphodiesterase inhibitors
   c.       Parasympathomimetics
   d.      Alpha 2 agonist
   e.      Carbonic anhydrase inhibitors
   4.       Which of the following drugs when used for the treatment of glaucoma, does not produce its beneficial effects by decreasing aqueous humour production?
   a.       Timolol
   b.      Pilocarpine
   c.       Dipivefrine
   d.      Dorzolamide
   e.      Acetazolamide
   5.       Which of the following is incorrect about prostaglandin analogues in the management of glaucoma?
   a.       They act mainly by increasing the outflow of aqueous humour through the conventional pathway
   b.      Bimatoprost and travaprost are examples of these drugs
   c.       They may cause increased pigmentation of the iris and periocular skin
   d.      They may cause lengthening and darkening of the eyelashes
   e.      Macular oedema and uveitis are rare side effects
   6.       The following drugs used in the management of glaucoma are topically applied except:
   a.       Timolol
   b.      Pilocarpine
   c.       Dorzolamide
   d.      Unoprostone
   e.      None of the above
   7.       Which of the following is incorrect about trabeculoplasty in the treatment of chronic open angle glaucoma?
   a.       It is the first line treatment option in most patients
   b.       It involves placing series of laser burns in the trabecular meshwork.
   c.       The aim of the procedure is to increase aqueous outflow
   d.      Whilst effective initially, the intra-ocular pressure may slowly increase again.
   e.      None of the above
   8.       Which of the following is not a side-effect of trabeculectomy?
   a.       Intra-ocular infection
   b.      Accelerated cataract development
   c.       Failure to adequately reduce intra-ocular pressure
   d.      Shallow anterior chamber
   e.      None of the above.
   9.       The following are recognized presentations of primary angle closure glaucoma except:
   a.       Severe ocular pains and headache
   b.      Painful red eyes
   c.       Photophobia
   d.      Abdominal pains
   e.      None of the above
   10.   The following are usual risk factors for open angle glaucoma except
   a.       Black race
   b.      Diabetes insipidus
   c.       Myopia
   d.      Old age
   e.      None of the above
   
   
   
   
   
   
   ANSWERS:
   1. e
   2. c
   3. b
   4. b
   5. a
   6. e
   7. a
   8. e
   9. e
   10. b
   
   
                                           REMEMBER
   ” Some people sin by not working diligently for six days whereas, others – because of greed, unbelief or powerlessness- sin by working also on a day of rest and worship. Either way of breaking this   command results in poverty.”   By  Vishal Mangalwadi.