A 67-year-old man with Parkinson disease has experienced an increasingly dry mouth for the past 3 months, and this interferes with eating and swallowing. He has noted dry eyes as well. On physical examination, he has minimal tremor at rest; there are no other abnormal findings. Laboratory studies show no detectable autoantibodies. Which of the following is the most likely cause for his findings?
AAlcohol ingestion
BAnticholinergic drug use
CCandidiasis
DSialadenitis with blockage of salivary duct
A patient presented with dryness in the eye with a gritty sensation along with corneal softening. What is the most probable cause?
AFollicular conjunctivitis
BVitamin A deficiency
CViral Keratitis
DRiboflavin Deficiency
Most sensitive test for detecting microfilariae?
AMembrane filtration technique
BDiethylcarbamazine (DEC) challenge test
CFluorescence-based immunoassay
DThick blood smear
+ 7 more in the PDF
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