Which Type of Laser Uses Gases That Are Toxic and Potentially

question 20

Multiple Choice

Which type of laser uses gases that are toxic and potentially fatal, and therefore rarely used in the OR setting?

• A) argon
• B) CO₂
• C) excimer
• D) krypton

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Definitions:

Amnion

A thin but tough sac of membrane that encloses the embryo or fetus in the uterus, containing the amniotic fluid.

Allantois

An embryonic membrane involved in gas exchange and waste removal in the development of the embryo.

Spermatogenesis

The process of sperm cell development, occurring in the seminiferous tubules of the testes.

Ova

The female reproductive cells, or eggs, which are capable of developing into a new organism when fertilized by a sperm cell.