What Was the Significance of the Invention of the John

question 12

Multiple Choice

What was the significance of the invention of the John Deere steel plow?

• A) It allowed farmers to cultivate tough prairie soils.
• B) It lowered the cost of steel plows.
• C) It helped farmers plow loose soil in half the time of a cast-iron plow.
• D) It allowed farmers to plow by hand without the aid of a farm animal.
• E) It allowed farmers to plow more accurately than cast-iron plows.

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Definitions:

Korotkoff Sounds

The sounds that medical personnel listen for when they are taking blood pressure using a non-invasive procedure, which indicate the resumption of blood flow into the forearm.

Blood Pressure Cuff

A device used to measure blood pressure, consisting of an inflatable cuff to restrict blood flow and a meter to read the pressure.

Subclavian Artery

A major artery that supplies blood to the upper limbs and parts of the brain and chest.

Basilar Artery

A major artery in the brain that supplies blood to the posterior part of the circle of Willis and the brainstem.