Infection Control in Nursing: Essential Knowledge for Patient Safety

Question 1

The primary purpose of isolation precautions is to:

Accepted Answer

Prevent the spread of infection from infected patients to others

Answer

Prevent the spread of infection from healthcare workers to patients

Answer

Prevent the spread of infection between different types of pathogens

Answer

Monitor patients for signs and symptoms of infection

Question 2

The most effective method to prevent healthcare-associated infections (HAIs) is:

Accepted Answer

Hand hygiene

Answer

Antibiotic use

Answer

Isolation precautions

Answer

Vaccination

Question 3

The chain of infection involves a series of interconnected steps. Which of the following is the stage where the infectious agent enters the host?

Accepted Answer

Entry

Answer

Transmission

Answer

Incubation

Answer

Convalescence

Question 4

Which type of disinfectant is most effective against enveloped viruses?

Accepted Answer

Alcohol-based disinfectants

Answer

Chlorine-based disinfectants

Answer

Hydrogen peroxide

Answer

Phenolic disinfectants

Question 5

What is the most crucial factor in preventing the spread of infection in healthcare settings?

Accepted Answer

Adherence to infection control policies and procedures

Answer

Availability of advanced technology

Answer

Individual responsibility of healthcare professionals

Answer

Patient education

Question 6

Which type of isolation precaution is appropriate for patients diagnosed with airborne infections such as tuberculosis?

Accepted Answer

Airborne precautions

Answer

Standard precautions

Answer

Contact precautions

Answer

Droplet precautions

Question 7

What is the primary objective of environmental cleaning and disinfection in the context of infection control?

Accepted Answer

Killing microorganisms on surfaces, preventing cross-contamination

Answer

Removing visible dirt and debris

Answer

Meeting aesthetic standards

Answer

Complying with regulations

Question 8

What type of isolation precaution is required for a patient with suspected measles?

Accepted Answer

Airborne isolation with negative pressure

Answer

Contact isolation

Answer

Droplet isolation

Answer

Reverse isolation

Question 9

Which type of surgical wound classification indicates the cleanest wound with the lowest risk of infection?

Accepted Answer

Class I

Answer

Class II

Answer

Class III

Answer

Class IV

Question 10

Which of the following is a common pathogen frequently associated with healthcare-acquired infections (HAIs)?

Accepted Answer

Staphylococcus aureus

Answer

Escherichia coli

Answer

Streptococcus pneumoniae

Answer

Neisseria meningitidis

Question 11

What is the ultimate goal of infection control practices?

Accepted Answer

To reduce the risk of infection and protect patient safety

Answer

To eliminate all microorganisms from the environment

Answer

To cure all infectious diseases

Answer

To develop new antibiotics

Question 12

What's the main purpose of surveillance and reporting in infection control?

Accepted Answer

Tracking infection rates and detecting outbreaks

Answer

Finding fault and punishing people for infections

Answer

Making sure rules are followed

Answer

Making money for hospitals

Question 13

In healthcare settings, which method is preferred for hand hygiene?

Accepted Answer

Either soap and water or alcohol-based hand rub

Answer

Exclusively soap and water

Answer

Exclusively alcohol-based hand rub

Answer

Gloves alone

Question 14

For respiratory infections, what is the primary mode of transmission?

Accepted Answer

Droplets

Answer

Contact

Answer

Airborne

Answer

Vehicle-borne

Question 15

Which of the following procedures is NOT considered high-risk, requiring specific precautions?

Accepted Answer

Venepuncture

Answer

Intubation

Answer

Tracheostomy

Answer

Nephrostomy

Question 16

A common cause of healthcare-associated infections (HAIs) is:

Accepted Answer

Insufficient hand hygiene

Answer

Excessive antibiotic use

Answer

Understaffing

Answer

Patient non-compliance

Question 17

To effectively prevent catheter-associated urinary tract infections (CAUTIs), what should be done?

Accepted Answer

Implement all of these measures

Answer

Utilize sterile technique during catheter insertion

Answer

Ensure regular catheter maintenance

Answer

Educate patients on proper catheter care

Question 18

Which mode of transmission accounts for most healthcare-associated infections (HAIs)?

Accepted Answer

Contact transmission

Answer

Airborne transmission by airborne droplets smaller than 5 micrometers

Answer

Vector-borne transmission through insects or animals

Answer

Droplet transmission by airborne droplets larger than 5 micrometers

Question 19

Which action is NOT a core component of standard precautions?

Accepted Answer

Wear gloves only when handling blood or bodily fluids

Answer

Clean and disinfect frequently touched surfaces

Answer

Use personal protective equipment (PPE) such as gowns, gloves, masks, and eye protection when necessary

Answer

Wash hands frequently with soap and water or alcohol-based hand rub

Question 20

What is the primary objective of isolation precautions?

Accepted Answer

To prevent the transmission of infectious diseases between patients and healthcare providers

Answer

To reduce healthcare costs

Answer

To punish patients with infections

Answer

To provide comfort to patients

Question 21

Which of the following items is classified as personal protective equipment (PPE)?

Accepted Answer

Gloves

Answer

Stethoscope

Answer

Patient gown

Answer

Blood pressure cuff

Question 22

What is the purpose of surveillance in infection control?

Accepted Answer

To monitor and detect potential infections and outbreaks in healthcare settings

Answer

To educate patients

Answer

To prevent infections

Answer

To treat infections

Question 23

Which of the following is a risk factor for acquiring healthcare-associated infections (HAIs)?

Accepted Answer

Prolonged hospitalization

Answer

Frequent handwashing

Answer

Strong immune system

Question 24

What is the key difference between disinfection and sterilization?

Accepted Answer

Disinfection reduces but does not eliminate all microorganisms, while sterilization eliminates all forms of microbial life including spores.

Answer

Sterilization reduces but does not eliminate all microorganisms, while disinfection eliminates all forms of microbial life including spores.

Answer

Disinfection is more effective than sterilization

Answer

There is no difference between disinfection and sterilization

Question 25

Which of the following is a potential consequence of healthcare-associated infections (HAIs)?

Accepted Answer

Increased patient morbidity, mortality, and healthcare costs

Answer

Enhanced patient experience

Answer

Improved patient satisfaction

Answer

Reduced length of hospital stay

Question 26

What are key responsibilities of nurses in infection control?

Accepted Answer

Implementing infection control measures, providing education to patients and staff, and monitoring patient outcomes for signs of infection

Answer

Only conducting research on infection control

Answer

Only providing direct patient care