MCQ
Cryosurgery is done using:
- ALiquid Hydrogen
- BLiquid Sodium
- CLiquid Ammonia
- DLiquid Nitrogen
Explanation:
Cryosurgery is a medical technique which uses cold temperature for the surgical process.
Due to the extreme cold temperature with the liquid nitrogen, the abnormal tissues are destroyed.
This treatment is used to destroy the tumour cells and lesions.
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$I.$ Antibiotics are chemical substances produced by some microorganisms which can kill or retard the growth of other disease-causing microorganisms
$II.$ Penicillin is the first antibiotic discovered by Alexander Fleming $(1928),$ while working on bacterium Staphylococcusaureus
$III.$ The function of penicillin as an antibiotic was established by Ernst chain and Howard Florey
Which of the statement given above are correct?