1.

How can we study the gastric emptying of a given drug?(a) By mixing the colour with the drug(b) Waiting for the subject man to throw-up(c) Tagging the drug with a radioisotope and scanning the stomach(d) Waiting for the patient to pass fecesI have been asked this question in final exam.I want to ask this question from Drugs Absorption from Non Oral Extravascular Sites topic in chapter Absorption of Drugs of Drug Biotechnology

Answer»

The correct option is (C) Tagging the drug with a radioisotope and scanning the stomach

For explanation I would say: In VIVO gastric emptying of a drug can be studied by using radio-opaque CONTRAST materials like BARIUM sulphate. It can also be studied by tagging the drug with a radioisotope and scanning the stomach at regular INTERVALS.



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