Q- Which of the following is a characteristic finding in isopropanol poisoning?
A- Blindness due to ocular accumulation
B- Elevated anion gap
C- Elevated serum BUN and creatinine
D- Ketosis without acidosis
D- Ketosis without acidosis- Isopropanol is metabolized to acetone, which causes ketosis but does not produce metabolic acidosis. It does not cause blindness (methanol does), does not raise the anion gap, and does not typically elevate BUN or creatinine.
Q- Which of the following is a major complication of central retinal vein occlusion?
A- Cataract
B- Glaucoma
C- Lens subluxation
D- Retinal detachment
B- Glaucoma- Central retinal vein occlusion can lead to retinal ischemia, which stimulates neovascularization of the iris and angle. This can obstruct aqueous outflow and result in neovascular glaucoma, a major and serious complication.
Q- Which of the following medications is a non-drowsy anti-allergic medication?
A- Cetirizine
B- Chlorpheniramine
C- Diphenhydramine
D- Loratadine
D- Loratadine- Loratadine is a second-generation antihistamine that does not cross the blood-brain barrier well, making it non-drowsy. Cetirizine may still cause mild drowsiness, and chlorpheniramine and diphenhydramine are sedating first-generation antihistamines.
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