Question 1

Which of the following best describes a nosocomial infection?

Accepted Answer

An infection acquired by a patient after admission to a healthcare facility.

Question 2

Which of the following is NOT a component of the chain of infection?

Accepted Answer

Antibiotic resistance

Question 3

A healthcare worker is exposed to blood via a needlestick injury. What is the FIRST step they should take?

Accepted Answer

Immediately decontaminate the site with soap and water.

Question 4

Which of the following organisms is most commonly associated with antibiotic resistance in healthcare settings?

Accepted Answer

Staphylococcus aureus (MRSA)

Question 5

Which of the following is the correct order for donning personal protective equipment (PPE) before entering an isolation room?

Accepted Answer

Gown, mask, gloves

Question 6

Which of the following is the most effective way to break the chain of infection at the 'mode of transmission' link?

Accepted Answer

Hand hygiene

Question 7

A patient with a respiratory infection is placed in a negative pressure isolation room. What is the primary purpose of this room?

Accepted Answer

To prevent contaminated air from escaping into other areas of the facility.

Question 8

Which of the following is a blood-borne pathogen that can be transmitted during specimen collection?

Accepted Answer

Hepatitis B virus

Question 9

Which of the following is a correct statement about disinfectants and antiseptics?

Accepted Answer

Disinfectants are generally used on surfaces and instruments, not on skin.

Question 10

Which of the following actions is NOT recommended when handling used needles after blood collection?

Accepted Answer

Recapping the needle before disposal

Question 11

Aseptic techniques in the clinical setting include all of the following EXCEPT:

Accepted Answer

Using mobile phones in clinical areas

Question 12

Which of the following is a key reason for performing hand hygiene before and after patient contact?

Accepted Answer

To reduce the risk of transmitting infectious agents between patients and healthcare workers.

Question 13

Which of the following is an example of a portal of entry in the chain of infection?

Accepted Answer

Broken skin

Question 14

Which of the following is a recommended step when removing gloves after an isolation procedure?

Accepted Answer

Pull off the first glove by grasping the wrist and turning it inside out.

Question 15

Which of the following is a primary objective of employee health programs in healthcare settings?

Accepted Answer

Minimize the risk of infection or hazardous circumstances for employees and patients.

Question 16

Which of the following is the best example of a fomite in the transmission of infection?

Accepted Answer

A contaminated stethoscope

Question 17

Which of the following is a correct statement about standard precautions?

Accepted Answer

They are designed to reduce the risk of transmission of microorganisms from both recognized and unrecognized sources.

Question 18

Which of the following is a recommended method for reducing host susceptibility in the chain of infection?

Accepted Answer

Immunization

Question 19

Which of the following is a correct statement about the use of gloves in infection control?

Accepted Answer

Gloves should be worn when there is possible contact with blood or other infectious materials.

Question 20

Which of the following is a correct action when transporting a blood specimen from an isolation room?

Accepted Answer

Place the labeled blood tube in a clean plastic biohazard bag outside the room.

Infection Control in Clinical Microbiology and Phlebotomy

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