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WorksheetsSalicylates
Total questions: 8
Worksheet time: 4mins
The ferric chloride test changes color from yellow to deep violet in the presence of
phenyls
phenols
alcohols
acids
Salicylic acid is acetylated to make aspirin because
salicylic acid is too insoluble
salicylic acid irritates chemists
salicylic acid irritates the mucosa of the mouth, esophagus, and stomach
A test like the FeCl3 test for salicylates minimizes false negatives but is susceptible to false positives, making it
sensitive but not specific
specific but not sensitive
sensitive and specific
neither specific nor sensitive
100% Pure aspirin would
turn purple when tested with ferric chloride solution
stay green when tested with ferric chloride solution
coordinate with the iron atom
would not coordinate with the iron atom
100% Pure benzoic acid would
turn purple when tested with ferric chloride solution
stay yellow when tested with ferric chloride solution
coordinate with the iron atom
coordinate with the chlorine atom
The x and y axes of the salicylate nomogram are
minutes since ingestion and serum salicylate (mg %)
hours since ingestion and plasma salicylate (mg %)
days since ingestion and plasma salicylate (mg %)
serum salicylate (mg %) and time since ingestion in hours
According to the salicylate nomogram, a serum salicylate level of 30 mg/dL is considered "mild" at how many hours post ingestion?
12
24
36
48
The calibration curve is used to
extrapolate the unknown values
interpolate the unknown values
interpret the unknown values
extract the unknown values
