NCNZ Infection Control and Prevention 2

Question 1

A patient with confirmed active pulmonary tuberculosis (TB) is admitted to the ward. Which transmission-based precaution is required?

Accepted Answer

Airborne precautions with a negative pressure room and N95 respirator

Answer

Contact precautions with a standard single room

Answer

Droplet precautions with a surgical mask

Answer

Standard precautions only as TB is not spread person-to-person

Question 2

When removing (doffing) PPE, what is the correct removal sequence to minimise self-contamination?

Accepted Answer

Gloves first, then eye protection, then gown, then mask last

Answer

Mask first, then gown, then gloves, then eye protection last

Answer

Gown first, then gloves, then eye protection, then mask last

Answer

Eye protection first, then gown, then mask, then gloves last

Question 3

According to WHO guidelines, how long should effective hand washing with soap and water take?

Accepted Answer

40 to 60 seconds

Answer

10 to 15 seconds

Answer

20 to 30 seconds

Answer

2 to 3 minutes

Question 4

In which clinical situation is an N95 respirator specifically required rather than a standard surgical mask?

Accepted Answer

Performing an aerosol-generating procedure on a patient with COVID-19

Answer

Caring for a patient with seasonal influenza in a single room

Answer

Performing a bedside wound dressing change

Answer

Entering the room of a patient with MRSA wound infection

Question 5

A nurse sustains a needlestick injury after administering an injection to a patient. What is the FIRST immediate action?

Accepted Answer

Wash the area thoroughly with soap and water immediately

Answer

Report the incident to the nurse manager and fill in an incident form

Answer

Apply an antiseptic or iodine solution directly to the puncture site

Answer

Arrange blood tests for baseline serology testing

Question 6

What does Aseptic Non-Touch Technique (ANTT) aim to achieve in clinical nursing practice?

Accepted Answer

Preventing contamination of key parts and key sites during clinical procedures

Answer

Performing procedures without wearing any gloves to improve dexterity

Answer

Cleaning all equipment with antiseptic solution before every use

Answer

Using sterile gloves for all patient interactions

Question 7

Which of the following best describes 'source isolation' in infection control practice?

Accepted Answer

Placing an infectious patient in a single room to prevent spread of infection to others

Answer

Nursing all patients in individual single rooms as a routine measure

Answer

Grouping immunocompromised patients together in a dedicated ward

Answer

Wearing gloves and a gown when entering every patient room