Infection Prevention and Control Basics: A Comprehensive Guide for Healthcare Professionals

Question 1

Which hand hygiene method offers the most effective protection against microbial contamination?

Accepted Answer

Alcohol-based hand rub

Answer

Regular soap and water

Answer

Chlorine bleach solution

Answer

Antiseptic wipes containing triclosan

Question 2

Which element is not part of the chain of infection?

Accepted Answer

Incubation period

Answer

Reservoir

Answer

Mode of transmission

Answer

Susceptible host

Question 3

What is the primary responsibility of healthcare professionals in infection prevention and control?

Accepted Answer

Teach patients and staff about infection prevention and control

Answer

Enforce rules and policies

Answer

Track and report infections

Answer

Create new infection control methods

Question 4

In the context of healthcare environment cleaning and disinfection, which type of disinfectant is typically most effective against a wide range of microorganisms?

Accepted Answer

Bleach-based disinfectant

Answer

Alcohol-based disinfectant

Answer

Phenolic-based disinfectant

Answer

Iodine-based disinfectant

Question 5

Which of the following is not a recognized mode of disease transmission?

Accepted Answer

Psychokinesis

Answer

Direct contact

Answer

Indirect contact

Answer

Airborne transmission

Question 6

Which type of isolation is implemented for patients with highly contagious diseases like measles or varicella (chickenpox)?

Accepted Answer

Airborne precautions

Answer

Contact precautions

Answer

Droplet precautions

Answer

Standard precautions

Question 7

As per guidelines, what is the minimum frequency for handwashing in healthcare environments?

Accepted Answer

Before and after each patient interaction

Answer

Hourly

Answer

Every 2 hours

Answer

Only when hands are visibly soiled

Question 8

To be effective against microorganisms, what is the recommended contact time for using alcohol-based hand sanitizers?

Accepted Answer

20 seconds

Answer

10 seconds

Answer

30 seconds

Answer

40 seconds

Question 9

Which personal protective equipment (PPE) is primarily used to protect against splashes of bodily fluids, including blood?

Accepted Answer

Gloves

Answer

Gowns

Answer

Masks

Answer

Eye protection

Question 10

What is the main purpose of environmental cleaning in healthcare settings?

Accepted Answer

To reduce the presence of microorganisms

Answer

To remove visible dirt

Answer

To create a pleasant environment for patients

Answer

To prevent cross-contamination

Question 11

Which type of personal protective equipment (PPE) is worn to protect the healthcare worker's eyes and mucous membranes from contact with infectious materials?

Accepted Answer

Goggles

Answer

Mask

Answer

Gown

Answer

Gloves

Question 12

What is the recommended duration for hand washing with soap and water in a healthcare setting?

Accepted Answer

30 seconds

Answer

15 seconds

Answer

45 seconds

Answer

60 seconds

Question 13

What is the main use of quaternary ammonium compounds (quats) as disinfectants in healthcare settings?

Accepted Answer

To control bacterial growth on high-touch surfaces

Answer

To kill spores

Answer

To inactivate lipid-enveloped viruses

Answer

To sterilize medical devices

Question 14

Which healthcare worker is most likely to be a carrier of methicillin-resistant Staphylococcus aureus (MRSA)?

Accepted Answer

Nurse on a medical-surgical unit

Answer

Surgeon in the operating room

Answer

Radiologist in the radiology department

Answer

Pharmacist in the pharmacy

Question 15

In infection prevention and control, what is the primary reason for using personal protective equipment (PPE)?

Accepted Answer

To protect healthcare workers from possible pathogens

Answer

To clean the environment and kill germs

Answer

To treat and cure infections caused by germs

Question 16

Which of the following is a key principle of infection prevention and control?

Accepted Answer

Isolation precautions

Answer

Neglecting environmental cleaning

Answer

Using unclean equipment

Answer

Ignoring hand hygiene

Question 17

Which of the following is the preferred method of hand hygiene in healthcare settings?

Accepted Answer

Washing hands with soap and water for at least 20 seconds

Answer

Using an alcohol-based hand sanitizer

Answer

Wearing gloves without washing hands

Question 18

Which of the following isolation precautions is appropriate for patients with suspected or confirmed airborne infections?

Accepted Answer

Negative pressure room

Answer

Standard precautions

Answer

Contact precautions

Answer

Droplet precautions

Question 19

What is the primary purpose of environmental cleaning in infection prevention and control?

Accepted Answer

To remove pathogens from surfaces and objects

Answer

To reduce unpleasant odors

Answer

To improve the appearance of the healthcare environment

Answer

To enhance patient comfort

Question 20

What is the initial step in an infection prevention and control investigation?

Accepted Answer

Identifying the suspected case

Answer

Conducting environmental sampling

Answer

Implementing control measures

Answer

Reporting the incident to public health authorities

Question 21

What is the main objective of using aseptic technique?

Accepted Answer

To prevent the introduction of pathogens into a sterile environment

Answer

To enhance the efficiency of procedures

Answer

To reduce the risk of spills and accidents

Question 22

Which of the following is considered the most effective measure in preventing healthcare-associated infections?

Accepted Answer

Hand hygiene

Answer

Personal protective equipment

Answer

Environmental cleaning

Answer

Isolation precautions