AAMA Infection Control, Medical Asepsis, and Sterilization 2

Question 1

Which type of isolation is used for a patient with tuberculosis?

Accepted Answer

Airborne infection isolation

Answer

Contact isolation

Answer

Droplet precautions

Answer

Protective isolation

Question 2

What is the minimum temperature required for moist heat (autoclave) 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

A medical assistant is caring for a patient with MRSA. Which PPE is required beyond standard precautions?

Accepted Answer

Gown and gloves

Answer

N95 respirator and goggles

Answer

Surgical mask and gloves

Answer

Face shield only

Question 4

Which chemical is most commonly used for high-level disinfection of semicritical items such as endoscopes?

Accepted Answer

Glutaraldehyde 2%

Answer

Isopropyl alcohol 70%

Answer

Sodium hypochlorite 1:10 bleach

Answer

Hydrogen peroxide 3%

Question 5

What is the purpose of a biological indicator (spore test) in sterilization monitoring?

Accepted Answer

To verify that all microorganisms including spores were destroyed

Answer

To measure temperature inside the autoclave

Answer

To check the pressure gauge calibration

Answer

To detect the presence of prions

Question 6

Hand hygiene with soap and water is preferred over alcohol-based hand rub when hands are contaminated with which organism?

Accepted Answer

Clostridium difficile

Answer

Staphylococcus aureus

Answer

Escherichia coli

Answer

Pseudomonas aeruginosa

Question 7

Which item is classified as a critical item and MUST be sterilized before use?

Accepted Answer

Surgical scalpel

Answer

Blood pressure cuff

Answer

Bedpan

Answer

Stethoscope