Test 124 (Ocular pharmacology)
1. The following eye drops causes cycloplegia: a. tropicamide b. cyclopentolate c. phenylephrine d. atropine e. pilocarpine Answera.T b.T c.F d.T e.F All cycloplegic medications cause mydriasis but not all mydriatics cause cycloplegia. Phenylephrine causes mydriasis without cycloplegia. Pilocarpine increases the accommodation.
a. tropicamide b. cyclopentolate c. phenylephrine d. atropine e. pilocarpine Answera.T b.T c.F d.T e.F All cycloplegic medications cause mydriasis but not all mydriatics cause cycloplegia. Phenylephrine causes mydriasis without cycloplegia. Pilocarpine increases the accommodation.
b. cyclopentolate
c. phenylephrine
d. atropine
e. pilocarpine
2. True statement about fluorescein include: a. bottled fluorescein is easily contaminated b. it stains soft contact lens c. the fluorescence property of fluorescein dye increases with increased pH up to a maximum of 8 d. in the presence of topical anaesthetic the fluorescence property of fluorescein dye is increased e. it stained dead or devitalised cells Answera.T b.T c.T d.F e.F The fluorescence property of fluorescein dye increases with increased pH up to a maximum of 8. Therefore, in the presence of lower pH such as concurrent use of topical anaesthetic; its fluorescence property is reduced. Rose bengal stains dead or devitalised cells. 3. Preservatives found in topical ophthalmic agents include: a. thiomersal b. chlorhexidine c. sorbic acid d. benzalkonium chloride e. nystatin Answera.T b.T c.T d.T e.F Other preservatives include chlorbutol and phenylmercuric nitrate. .
2. True statement about fluorescein include: a. bottled fluorescein is easily contaminated b. it stains soft contact lens c. the fluorescence property of fluorescein dye increases with increased pH up to a maximum of 8 d. in the presence of topical anaesthetic the fluorescence property of fluorescein dye is increased e. it stained dead or devitalised cells Answera.T b.T c.T d.F e.F The fluorescence property of fluorescein dye increases with increased pH up to a maximum of 8. Therefore, in the presence of lower pH such as concurrent use of topical anaesthetic; its fluorescence property is reduced. Rose bengal stains dead or devitalised cells.
a. bottled fluorescein is easily contaminated b. it stains soft contact lens c. the fluorescence property of fluorescein dye increases with increased pH up to a maximum of 8 d. in the presence of topical anaesthetic the fluorescence property of fluorescein dye is increased e. it stained dead or devitalised cells Answera.T b.T c.T d.F e.F The fluorescence property of fluorescein dye increases with increased pH up to a maximum of 8. Therefore, in the presence of lower pH such as concurrent use of topical anaesthetic; its fluorescence property is reduced. Rose bengal stains dead or devitalised cells.
b. it stains soft contact lens
c. the fluorescence property of fluorescein dye increases with increased pH up to a maximum of 8
d. in the presence of topical anaesthetic the fluorescence property of fluorescein dye is increased
e. it stained dead or devitalised cells
3. Preservatives found in topical ophthalmic agents include: a. thiomersal b. chlorhexidine c. sorbic acid d. benzalkonium chloride e. nystatin Answera.T b.T c.T d.T e.F Other preservatives include chlorbutol and phenylmercuric nitrate. .
a. thiomersal b. chlorhexidine c. sorbic acid d. benzalkonium chloride e. nystatin
b. chlorhexidine
c. sorbic acid
d. benzalkonium chloride
e. nystatin
Answera.T b.T c.T d.T e.F Other preservatives include chlorbutol and phenylmercuric nitrate. .
4. The following are non-selective b-blocker: a. betaxolol b. carteolol c. timolol d. levobunolol e. metipranolol Answera.F b.T c.T d.T e.T Betaxolol is a selective beta1-blocker. 5. Papilloedema can be caused by : a. tetracycline b. vitamin A c. prednisolone d. isoniazid e. chloramphenicol Answera.T b.T c.T d.F e.F Isoniazid causes optic neuritis. More MCQs
a. betaxolol b. carteolol c. timolol d. levobunolol e. metipranolol Answera.F b.T c.T d.T e.T Betaxolol is a selective beta1-blocker.
b. carteolol
c. timolol
d. levobunolol
e. metipranolol
5. Papilloedema can be caused by :
a. tetracycline b. vitamin A c. prednisolone d. isoniazid e. chloramphenicol Answera.T b.T c.T d.F e.F Isoniazid causes optic neuritis.
b. vitamin A
c. prednisolone
d. isoniazid
e. chloramphenicol
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