Surgical Instruments

Surgical instruments are mainly made out of what alloy?

• iron

• stainless steel

• titanium

• gold

Tags

NGSS.HS-PS2-6

Surgical instruments with gold ring handles are made with what alloy?

• chromium

• titanium

• carbon

• tungsten carbide

Which one is NOT part of a hemostat?

• finger ring

• box lock

• tie

• tips

Instruments that contacts but does not penetrate soft tissue or bone is:

• Critical Instruments

• Semi-Critical Instruments

• Non-Critical Instruments

• Infectious Waste

Instrument that does not contact mucous membranes is:

• Critical Instrument

• Semi-Critical Instrument

• Non-Critical Instrument

• Disinfect

What percentage of surgical instruments used today are made from stainless steel?

• 50%

• 75%

• 85%

• 90%

What is the purpose of passivation in the manufacturing process of instruments?

• To enhance the electrical conductivity of the instrument

• To provide the instrument with corrosion resistance properties

• To increase the thermal resistance of the instrument

• To decrease the manufacturing cost of the instrument

Tags

NGSS.MS-ETS1-2

What is the result of routine use and exposure to air on passivated instruments?

• It leads to quicker wear and tear

• It diminishes the instrument's functionality

• It builds up a barrier to most stains and corrosive elements

• It changes the color of the instrument

Which type of stainless steel is used for surgical instruments where hardness is not a critical factor and is non-magnetic?

• Martensitic

• Ferritic

• Austenitic

• Duplex

What property is primarily enhanced by heat treatment in Martensitic stainless steel used in surgical instruments?

• Flexibility

• Electrical conductivity

• Strength and durability

• Thermal resistance