What Is the Primary Reason That a Modern Transmission Electron

question 55

Multiple Choice

What is the primary reason that a modern transmission electron microscope (TEM) can resolve biological structures as small as 2 nm,whereas 200 nm is the limit of resolution for a light microscope?

• A)Diffraction of light by a light microscope distorts the image.
• B)Contrast is enhanced by staining with atoms of heavy metal.
• C)Electron beams have much shorter wavelengths than visible light.
• D)TEM is used to visualize very thin sections of cells.

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Definitions:

Laboratory Test

Medical procedures that involve testing samples of blood, urine, or other tissues or substances in the body.

EHR

Electronic Health Records, a digital version of a patient's paper chart, making health information available instantly and securely to authorized users.

Immediately

Without delay or intervention; happening at once.

Meaningful Use

A set of criteria outlining how to use electronic health records effectively to improve patient care and meet specific objectives.