NHA Infection Control and Safety 1

Question 1

What is the primary purpose of Standard Precautions in healthcare settings?

Accepted Answer

To treat all blood and body fluids as potentially infectious regardless of patient diagnosis

Answer

To protect only immunocompromised patients

Answer

To replace hand hygiene requirements in low-risk areas

Answer

To apply only when patients have confirmed infections

Question 2

Which hand hygiene method is most effective against Clostridioides difficile (C. diff) spores?

Accepted Answer

Soap and water handwashing

Answer

Alcohol-based hand rub

Answer

Waterless antiseptic gel

Answer

Antiseptic wipes with benzalkonium chloride

Question 3

According to CDC guidelines, how long should healthcare workers scrub hands with soap and water?

Accepted Answer

20 seconds

Answer

10 seconds

Answer

30 seconds

Answer

45 seconds

Question 4

Which of the six links in the chain of infection is broken when a healthcare worker uses an N95 respirator?

Accepted Answer

Portal of entry

Answer

Reservoir

Answer

Portal of exit

Answer

Mode of transmission

Question 5

Which type of transmission-based precaution is required for a patient with active pulmonary tuberculosis?

Accepted Answer

Airborne precautions

Answer

Contact precautions

Answer

Droplet precautions

Answer

Protective/reverse isolation

Question 6

What is the correct order for donning (putting on) PPE before entering a contact isolation room?

Accepted Answer

Gown, mask/respirator, eye protection, gloves

Answer

Gloves, gown, mask, eye protection

Answer

Mask, gown, gloves, eye protection

Answer

Eye protection, gloves, gown, mask

Question 7

Which of the following is an example of an indirect contact transmission via a fomite?

Accepted Answer

Touching a contaminated blood pressure cuff and then touching your face

Answer

Inhaling droplet nuclei from a coughing patient

Answer

Receiving a needlestick from an infected patient

Answer

Being bitten by a mosquito carrying West Nile virus