NHI Safety and Infection Control 4

Question 1

Which of the following best describes 'surgical asepsis'?

Accepted Answer

Complete elimination of all microorganisms including spores

Answer

Surgical asepsis (sterile technique) requires the complete elimination of all microorganisms and spores, unlike medical asepsis which only reduces their numbers.

Question 2

A healthcare worker is caring for a patient with scabies. Which type of precaution is indicated?

Accepted Answer

Contact precautions

Answer

Scabies is transmitted by direct skin-to-skin contact, so contact precautions including gown and gloves are required to prevent spread.

Question 3

What is the recommended minimum internal temperature for sterilization in an autoclave (steam sterilization)?

Accepted Answer

121°C (250°F)

Answer

Standard autoclave sterilization requires 121°C (250°F) at 15 psi for a minimum of 15–30 minutes to destroy all microorganisms including spores.

Question 4

Which of the following is NOT a reservoir for infectious agents?

Accepted Answer

Sterilized surgical instruments

Answer

A properly sterilized instrument contains no viable microorganisms and therefore cannot serve as a reservoir for infection.

Question 5

When should gloves be changed during patient care?

Accepted Answer

Between tasks on the same patient when contamination risk changes

Answer

Gloves should be changed between different tasks on the same patient when moving from a contaminated body site to a clean site to prevent cross-contamination.

(NHI) National Healthcareer Institute Certification Practice Test

(NHI) National Healthcareer Institute Certification Practice Test

NHI Safety and Infection Control 4