Which medical procedure involves liquid nitrogen being sprayed or painted onto a small malignant lesion to freeze and destroy the tissue?
A) cryosurgery
B) fractionation
C) brachytherapy
D) electrosurgery
A
Explanation: A) Correct! Cry/o- means "cold."
B) Fractionation has to do with radiation therapy, not liquid nitrogen.
C) Brachytherapy does not use liquid nitrogen.
D) Electrosurgery uses electricity, not liquid nitrogen.
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