,Chapter 1: Safety and Quality Assessment
Multiple Choice
1. Laboratory equipment and other inanimate objects serve as what in the chain of infection?
A. Host
B. Reservoir
C. Point of entry
D. Point of exit
ANS: B
DIF: Level 1
OBJ: 1
TOP: Biologic hazards
2. The chain of infection includes all of the following except a:
A. Source
B. Host
C. Disinfectant
D. Transmission method
ANS: C
DIF: Level 2
OBJ: 1
TOP: Biologic hazards
3. You arrive to work in the clinical laboratory with a small cut on your hand. Your supervisor
pulls you from specimen collection (phlebotomy) duties for the day, citing chain of infection
protocols. Why is your supervisor concerned about the cut on your hand?
A. Because you will not have the mobility in your hand to properly collect blood
B. Because you are going to have to wear a bandage all day long
C. Because you have a point of entry that could expose you to infectious agents
D. Because you are going to be an active transmitter of infection onto general surfaces
,ANS: C
DIF: Level 3
OBJ: 1
TOP: Biologic hazards
4. Centrifuging an uncapped tube of urine is most likely to produce a/an:
A. Electrical shock
B. Broken tube
C. Unbalancing
D. Aerosol
ANS: D
DIF: Level 2
OBJ: 2
TOP: Biologic hazards
5. Which of the following guidelines tells laboratory personnel to consider all patients as possible
carriers of blood-borne pathogens?
A. Urinalysis precautions
B. Blood-borne pathogen precautions
C. Standard precautions
D. Body fluid precautions
ANS: C
DIF: Level 1
OBJ: 2
TOP: Biologic hazards
6. The Centers for Disease Control (CDC) recommends that universal precautions be followed
when encountering:
A. Specimens containing visible blood
B. Patients who are infected with blood-borne pathogens
C. All body fluid specimens
D. Specimens that may produce aerosols
, ANS: A
DIF: Level 1
OBJ: 2
TOP: Biologic hazards
7. Which of the following CDC guidelines considers all moist body substances to be potentially
infectious and stresses hand washing?
A. Universal precautions
B. Body fluid precautions
C. Standard precautions
D. Health-care personnel standards
ANS: C
DIF: Level 1
OBJ: 3
TOP: Biologic hazards
8. The Occupational Exposure to Blood-Borne Pathogens Standard is:
A. A guideline developed by the FDA
B. An additional precaution associated with urinalysis
C. A guideline recommended by the CDC
D. A law enforced by Occupational Safety and Health Administration (OSHA)
ANS: D
DIF: Level 1
OBJ: 3
TOP: Biologic hazards
9. A laboratory worker who observes a red hand rash after removing gloves should:
A. Avoid wearing gloves for 2 days
B. Wash the hands with antimicrobial soap
C. Apply cortisone cream to the hands
D. Avoid wearing latex gloves in the future
Multiple Choice
1. Laboratory equipment and other inanimate objects serve as what in the chain of infection?
A. Host
B. Reservoir
C. Point of entry
D. Point of exit
ANS: B
DIF: Level 1
OBJ: 1
TOP: Biologic hazards
2. The chain of infection includes all of the following except a:
A. Source
B. Host
C. Disinfectant
D. Transmission method
ANS: C
DIF: Level 2
OBJ: 1
TOP: Biologic hazards
3. You arrive to work in the clinical laboratory with a small cut on your hand. Your supervisor
pulls you from specimen collection (phlebotomy) duties for the day, citing chain of infection
protocols. Why is your supervisor concerned about the cut on your hand?
A. Because you will not have the mobility in your hand to properly collect blood
B. Because you are going to have to wear a bandage all day long
C. Because you have a point of entry that could expose you to infectious agents
D. Because you are going to be an active transmitter of infection onto general surfaces
,ANS: C
DIF: Level 3
OBJ: 1
TOP: Biologic hazards
4. Centrifuging an uncapped tube of urine is most likely to produce a/an:
A. Electrical shock
B. Broken tube
C. Unbalancing
D. Aerosol
ANS: D
DIF: Level 2
OBJ: 2
TOP: Biologic hazards
5. Which of the following guidelines tells laboratory personnel to consider all patients as possible
carriers of blood-borne pathogens?
A. Urinalysis precautions
B. Blood-borne pathogen precautions
C. Standard precautions
D. Body fluid precautions
ANS: C
DIF: Level 1
OBJ: 2
TOP: Biologic hazards
6. The Centers for Disease Control (CDC) recommends that universal precautions be followed
when encountering:
A. Specimens containing visible blood
B. Patients who are infected with blood-borne pathogens
C. All body fluid specimens
D. Specimens that may produce aerosols
, ANS: A
DIF: Level 1
OBJ: 2
TOP: Biologic hazards
7. Which of the following CDC guidelines considers all moist body substances to be potentially
infectious and stresses hand washing?
A. Universal precautions
B. Body fluid precautions
C. Standard precautions
D. Health-care personnel standards
ANS: C
DIF: Level 1
OBJ: 3
TOP: Biologic hazards
8. The Occupational Exposure to Blood-Borne Pathogens Standard is:
A. A guideline developed by the FDA
B. An additional precaution associated with urinalysis
C. A guideline recommended by the CDC
D. A law enforced by Occupational Safety and Health Administration (OSHA)
ANS: D
DIF: Level 1
OBJ: 3
TOP: Biologic hazards
9. A laboratory worker who observes a red hand rash after removing gloves should:
A. Avoid wearing gloves for 2 days
B. Wash the hands with antimicrobial soap
C. Apply cortisone cream to the hands
D. Avoid wearing latex gloves in the future
