Surgical Instrumentation Quiz

What is the composition of stainless steel?

• Iron, chromium, and carbon

• Titanium and cobalt

• Copper and zinc

• Aluminum and magnesium

What elements may be included in stainless steel to prevent corrosion?

• Nickel, manganese, silicon, molybdenum

• Lead and tin

• Gold and silver

• Zinc and iron

What is the process of forming a hard Chromium Oxide layer on steel called?

• Passivation

• Oxidation

• Corrosion

• Polishing

What is the term used to describe the incorrect notion that stainless steel does not rust?

• Tarnish

• Corrode

• Oxidize

• Rust

What is the appearance of stainless steel with a mirror finish?

• Shiny and reflective

• Dull and matte

• Rough and coarse

• Transparent

What is the effect of anodized finish on titanium?

• Reduces glare

• Increases weight

• Makes it magnetic

• None of the above

What is Vitallium made of?

• Cobalt, chromium, and molybdenum

• Titanium and nickel

• Aluminum and copper

• Steel and brass

What is the main characteristic of tungsten carbide?

• Very hard

• Very soft

• Lightweight

• Corrosive

What metals are commonly used for coating instruments?

• Chromium, nickel, cadmium, silver, and copper

• Gold and platinum

• Iron and steel

• Aluminum and brass

What happens when different metals with varying potentials contact each other in an electrolytic environment?

• Corrosion may occur

• They become stronger

• They bond together

• Nothing happens