An Atom Must Emit a Photon When A(n) ____

question 25

Multiple Choice

An atom must emit a photon when a(n) ____.

• A) electron moves from a lower to a higher energy level
• B) proton moves from a lower to a higher energy level
• C) proton moves from a higher to a lower energy level
• D) electron moves from a higher to a lower energy level
• E) atom becomes ionized

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Definitions:

Sphygmomanometer

A device used to measure blood pressure by applying pressure to an artery and gradually releasing it.

Blood Pressure

The force exerted by circulating blood on the walls of the body's arteries, a critical indicator of cardiovascular health.

Plethysmograph

An instrument used for measuring changes in volume within an organ or whole body (often through blood flow).

Radial Artery

An artery located in the forearm, which is used to check pulse and as a site for arterial cannulation.