Why Is Flux Used When Gold Castings Are Soldered

question 26

Multiple Choice

Why is flux used when gold castings are soldered?

• A) Prevent greening of the gold casting
• B) Lower the melting range of the solder
• C) Remove surface oxides so that the solder will flow freely
• D) Prevent uneven heating of the unit,causing the gold to crack

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Definitions:

Contracts Muscles

The process by which muscle fibers activate and generate force, leading to muscle shortening and movement.

Passive Mobility

The degree to which a joint can be moved by an external force without the patient exerting any effort, indicative of the joint's flexibility and health.

Physical Therapist

A healthcare professional who specializes in the physical rehabilitation of patients to improve movement, function, and manage pain.

Flexed Angle

A term describing a joint that is bent, reducing the angle between the bones that form it.