Electron Microscopes Use What to Focus the Beam of Electrons

question 7

Multiple Choice

Electron microscopes use what to focus the beam of electrons?

• A) electromagnets
• B) a condenser lens
• C) light rays
• D) X-ray diffraction
• E) glass

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Definitions:

Blood Type

A classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells. The main blood types are A, B, AB, and O.

Transfusion

The process of transferring blood or blood products from one person into the circulatory system of another.

Patent Vein

Describes a vein that is open and unobstructed, allowing for the free flow of blood.

Y Tubing

A type of medical tubing that splits into two branches, often used in transfusion and infusion therapies.