NDHCE Infection Control and Safety

Question 1

According to the CDC and OSHA, which category of instruments requires sterilization before use on another patient?

Accepted Answer

Critical instruments

Answer

Non-critical instruments

Answer

Semi-critical instruments

Answer

Utility instruments

Question 2

What is the minimum internal temperature required for a steam autoclave to achieve sterilization at standard pressure?

Accepted Answer

121°C (250°F)

Answer

100°C (212°F)

Answer

134°C (273°F)

Answer

160°C (320°F)

Question 3

Which bloodborne pathogen poses the highest risk of transmission following a needlestick injury in a dental setting?

Accepted Answer

Hepatitis B (HBV)

Answer

HIV

Answer

Hepatitis C (HCV)

Answer

Hepatitis A (HAV)

Question 4

Which of the following personal protective equipment (PPE) is required during aerosol-generating dental procedures?

Accepted Answer

Gloves, mask, eye protection, and gown

Answer

Gloves only

Answer

Gloves and surgical mask only

Answer

Eye protection only

Question 5

What does the term 'biological indicator' refer to in sterilization monitoring?

Accepted Answer

A spore test that confirms sterilization has been achieved

Answer

A chemical strip that changes color if temperature is reached

Answer

A log book of sterilization cycles

Answer

An indicator tape used to seal sterilization pouches

Question 6

How should a contaminated dental bur be disposed of after use on a patient?

Accepted Answer

Placed in a sharps container (puncture-resistant)

Answer

Placed in a regular trash bin

Answer

Rinsed under running water and discarded

Answer

Returned to the manufacturer for recycling