A Dentist Who Developed Sulfuric Ether and Arranged for the First

question 20

Multiple Choice

A dentist who developed sulfuric ether and arranged for the first hospital operation under anesthesia was __________.

• A) W.T.G. Morgan
• B) Dr. Nathan Smith Davis
• C) Ignatz Philipp Semelweis
• D) Crawford Long

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Definitions:

Dispose of Cars

The method of disposing of unwanted or obsolete vehicles by means such as recycling, selling, or scrapping.

Variable Costs

Costs that change in proportion to the level of production or business activity.

Square Feet

A unit of area measurement in the Imperial and U.S. customary measurement systems, commonly used to express the size of a space.

Hydraulic Car Smasher

A heavy-duty machine designed to crush cars into compact sizes using hydraulic pressure for purposes of recycling or disposal.