TRI B MOCK MCQS- 1 Flashcards
Phenylephrine 2.5% , Minims Eyedrops are classified by the Medicines Act as
a. GSL
b. P
c. PoM
d. CE marked
b. P
The main ocular effects of histamine are likely to be:
a.
Oedema, blood vessel constriction and increased vascular permeability
b.
Itching, blood vessel dilation and increased vascular permeability
c.
Itching, blood vessel constriction and increased vascular permeability
d.
Itching, blood vessel dilation and decreased vascular permeability
b.
Itching, blood vessel dilation and increased vascular permeability
Which of the following is NOT a first line treatment for seasonal allergic conjunctivitis ?
a.
Topical Steroids
b.
Cold compresses
c.
Topical NSAIDS
d.
Mast cell stabilizers
a.
Topical Steroids
Which of the following statements is TRUE regarding adenoviral conjunctivitis?
a.
It responds well to topical antivirals such as ganciclovir
b.
Topical broad spectrum antibiotics such as chloramphenicol 1% may help alleviate symptoms
c.
Sub epithelial corneal opacities can be treated with topical steroids to reduce the risk of corneal scarring
d.
It responds well to oral antivirals such as aciclovir
c.
Sub epithelial corneal opacities can be treated with topical steroids to reduce the risk of corneal scarring
What would be your first choice as a cycloplegic for this 4 year old boy, to perform retinoscopy?
a.
Tropicamide 1%
b.
Cyclopentolate 0.5%
c.
Cyclopentolate 1%
d.
Tropicamide 1% and Phenylephrine 2.5%
c.
Cyclopentolate 1%
A 34 year old female presents with a red, mildly uncomfortable LE for 3-4 days.
Your tentative diagnosis is episcleritis.
Which of the following pharmacological management options is most suitable for this patient, as an ENTRY LEVEL practitioner?
a.
carbomer 980 0.2% p.r.n for 2 weeks
b.
flurbiprofen 0.03% eye drops q.d.s. for 2 weeks
c.
sodium cromoglicate 2% eyedrops q.d.s for 2 weeks
d.
pred forte 1% eyedrops q.d.s for 2 weeks
a.
carbomer 980 0.2% p.r.n for 2 weeks
Which of the following statements, for entry level Optometrists and Orthoptists, is FALSE?
a
Optometrists & Orthoptists can supply Fusidic Acid
b
Only Orthoptists can use and supply atropine 1%
c
Optometrists and Orthoptists can use and supply proxymetacaine hydrochloride 0.5%
d
Optometrists & Orthoptists can use and supply cyclopentolate hydrochloride 0.5% and 1%
a
Optometrists & Orthoptists can supply Fusidic Acid
An 18 month old boy presents with a non resolving bacterial conjunctivitis despite mum complying with the lid hygiene measures over a number of days.
Which one of the following pharmacological management options is most appropriate in this case, as an ENTRY LEVEL practitioner?
a. Fusidic acid 1% eye drops (PoM) q.d.s for 1 week
b. Chloramphenicol 0.5% (P) q.d.s for 2 days then b.d.s. for 5 days
c. Gentamicin 0.3% eye drops (PoM) q.d.s. for 5-7 days
d. Chloramphenicol 1% (PoM) q.d.s for 2 days then b.d.s for 3-5 days
d. Chloramphenicol 1% (PoM) q.d.s for 2 days then b.d.s for 3-5 days
A 42 year old female presents with a FB sensation in her RE after gardening over the weekend.
You observe an embedded corneal foreign body (shown in photo) and plan to remove it under topical anaesthesia with a hypodermic needle.
When you consult the patient notes, it has been noted that she had a reaction to proxymetacaine used for applanation tonometry.
What is the next appropriate course of action for this patient?
a. Attempt removal with hypodermic needle without anaesthesia
b. Use 1 drop proxymetacaine with punctal occlusion for 2 mins , before removing the foreign body
c. Use 1 drop oxybuprocaine before removing the foreign body
d. Use 1 drop lidocaine before removing the foreign body
d. Use 1 drop lidocaine before removing the foreign body
Which one of the following effects DOES NOT occur with inhibition of cyclo-oxygenase with aspirin
a. analgesic
b. anti-pyretic
c. platelet aggregation
d. anti-inflammatory
c. platelet aggregation
Which ONE of the following IS NOT a symptom of atropine poisoning?
a.
watery eyes
b.
dry mouth
c.
confusion
d.
cycloplegia
a.
watery eyes
Which ONE of the following ocular pharmaceuticals is a PRO DRUG?
a.
sodium cromoglicate 2%
b.
ganciclovir 0.15%
c.
chloramphenicol 1%
d.
sodium hyaluronate 0.15%
b.
ganciclovir 0.15%
Benzalkonium chloride (BAK) is commonly found in ocular pharmaceutical products.
Which ONE of the following statements is FALSE?
a.
BAK has the potential to increase the ocular absorption of the active ingredient to the target site
b.
BAK has the potential to be toxic to the cornea causing corneal dessication
c.
Preservatives must be present in all multi dose eye drop products to minimise microbial growth
d.
BAK is a detergent based preservative that interrupts lipids in bacterial cell membranes
c.
Preservatives must be present in all multi dose eye drop products to minimise microbial growth
Which ONE of the following statements is TRUE regarding the use of phenylephrine in episcleritis?
a.
Phenylephrine is licensed for use to treat episcleritis due its anti inflammatory action on the enzyme cyclo oxygenase
b.
Phenylephrine 10% is safe to use in children under 12 years old
c.
Phenylephrine is licensed for use to treat recurrent episcleritis due to it’s vasoconstrictor properties
d.
Phenylephrine can be used by Orthoptists and Optometrists to aid differential diagnosis of episcleritis versus scleritis
d.
Phenylephrine can be used by Orthoptists and Optometrists to aid differential diagnosis of episcleritis versus scleritis
A 62 year old female attends your clinic for a dilated fundus examination after complaining of recently onset flashes and floaters. You see the above appearance in both eyes when examining the anterior eye with the slit lamp. You assess the anterior chamber with Van Herick technique and find Grade 4 open angles in both eyes.
Select the most appropriate course of action you would now carry out for this patient
a.
Instil tropicamide 1%
b.
Instil 1% cyclopentolate and perform punctal occlusion to reduce the risk of systemic side effects
c.
Instil tropicamide 1% and phenylephrine 10% in combination
d.
Instil atropine 1%
a.
Instil tropicamide 1%
