ELABORATED SOLUTIONS
A benefit of prescribing an ophthalmic antihistamine with mast cell stabilizer property
would be that the mast cell stabilizer provides: - ANSWER An extended duration of
action-due to their high affinity to the H-1 receptor
Ocular decongestants such as oxymetazoline (Visine-LR) are used to reduce: -
ANSWER Redness
Pts should be advised to administer polymyxin B/trimethoprim q: - ANSWER 3 hours,
maximum 6 doses in 24 hour period
The most common symptoms of penicillin allergy includes hives, itchy eyes, and: -
ANSWER Swollen lips
Bacitracin (Ocu-tracin) ophthalmic ointment inhibits bacterial cell wall synthesis by: -
ANSWER Preventing the transfer of mucopeptides into the growing cell wall
When prescribing polymyxin B sulfate/bacitracin zinc (Polycin-B), pts should be
instructed to: - ANSWER Complete therapy, even if sx resolve
Prolonged use of bacitracin ophthalmic may result in: - ANSWER Fungal overgrowth
Which of the following is classified as a 2nd gen antihistamine? - ANSWER
Fexofenadine (Allegra)
Hydroxyzine-1st gen
Pts being treated with trifluridine (Viroptic) for herpes simplex 1 keratoconjunctivitis
should be advised to return to the clinic if they do not experience sx improvement
within: - ANSWER 7 days
Polymyxin B/trimethoprim ophthalmic is NOT indicated for: - ANSWER Ophthalmia
neonatorum-does not treat the most common bacterial causes
The mechanism of action of trifluridine (Viroptic), an ophthalmic antiviral, used the
treatment of herpes simplex conjunctivitis is: - ANSWER Interference with viral
, replication by inhibiting thymidylate synthetase
A common side effect of oral phenylephrine (Sudafed), a decongestant is: - ANSWER
Anxiety
Cephalosporins are classified as: - ANSWER Beta-lactam antibiotics
Ophthalmic cromolyn inhibits the degranulation of sensitized mast cells. It is indicated in
the treatment of: - ANSWER Vernal conjunctivitis
Dosing of oseltamivir (Tamiflu) for older adult pts with active influenza and a creatinine
clearance between 30-60 mL/min is: - ANSWER 30mg PO BID for 5 days
Which of the following is NOT a potential adverse effect of sulfacetamide ophthalmic
(Bleph-10) for the tx of acute conjunctivitis? - ANSWER Acute renal insufficiency
The brand name of prednisolone acetate ophthalmic is: - ANSWER Pred Forte
Pts who are using a glucocorticoid nasal spray should be advised to: - ANSWER Prime
the pump prior to first use or if unused for more than a week
Which of the following does NOT cause a drug-disease interaction when using a
decongestant/antihistamine medication such as Naphazoline/pheniramine
(NaphconA)? - ANSWER Hypothyroidism
Mydriasis is a term used to describe: - ANSWER Dilation of the pupil
Causes of sensorineural hearing loss include all of the following except: - ANSWER
perforated tympanic membrane-this is conductive hearing loss
A pt c/o a sore tongue. Findings reveal a smooth and erythematous tongue. This
condition is termed: - ANSWER Glossitis
Ophthalmoscopic examination of the retina reveals AV tapering. This appears as if the: -
ANSWER Vein "winds" down on either side of the artery
Raised or flat, deep purple colored lesions noted in the mouth may be suggestive of: -
ANSWER Kaposi's sarcoma
Redness, bleeding, pain, and swelling of the gums is most likely: - ANSWER Gingivitis