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Multiple Choice ty
1. An example of a chemical hazard is:
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A. Carcinogen exposure ty
B. Strained back ty
C. Viral infection
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D. Shock
ANS: A ty
DIF: Level 1
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OBJ: 1-1 ty
TOP: Safety hazards
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2. Centrifuging an uncapped tube of urine is most likely to produce a/an:
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A. Electrical shock ty
B. Broken tube ty
C. Unbalancing
D. Aerosol
ANS: D ty
DIF: Level 2
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OBJ: 1-1 ty
TOP: Safety hazards
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3. Laboratory equipment and other inanimate objects serve as what in the chain of infection?
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A. Host
B. Reservoir
C. Point of entry
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D. Point of exitty ty
ANS: B ty
DIF: Level 1
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OBJ: 1-2 ty
TOP: Chain of infection
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,4. The chain of infection includesK all of the following except a:
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A. Source
B. Host
C. Disinfectant
D. Transmission method ty
ANS: C ty
DIF: Level 1
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OBJ: 1-2 ty
TOP: Chain of infection
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5. You arrive to work in the clinical laboratory with a small cut on your hand. Your supervisor remo
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ves you from specimen collection (phlebotomy) duties for the day, citing chain of infectionprotocols.
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t yWhy is Kyour supervisor concerned about the cut on your hand?
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A. Because you will not have the mobility in your hand to properly collect blood.
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B. Because you are going to have to wear a bandage all day long.
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C. Because you have a point of entry that could expose you to infectious agents.
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D. Because you are going to be an active transmitter of infection onto general surfaces.
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ANS: C ty
DIF: Level 3
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OBJ: 1-2 ty
TOP: Chain of infection
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6. Which of the following guidelines Kstates that laboratory personnel should consider all
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patients K as possible carriers of blood-borne pathogens?
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A. Urinalysis precautions ty
B. Blood-borne pathogen precautions ty ty
C. Standard precautions ty
D. Body fluid precautions ty ty
ANS: C ty
DIF: Level 1
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OBJ: 1-3 ty
TOP: Standard precautions
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7. The Centers for Disease Control and Prevention (CDC) recommendsKthat
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universalpre cautions be followed when encountering:
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A. Specimens containing visible blood ty ty ty
B. Patients who are infected with blood-borne pathogens
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, C. All body fluid specimens
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D. Specimens that may produce aerosols ty ty ty ty
ANS: A ty
DIF: Level 1
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OBJ: 1-3 ty
TOP: Standard precautions
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8. Which of the following CDC guidelines considers all moist body substances to be
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potentiallyinfe ctious and stresses hand washing?
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A. Universal precautions ty
B. Body fluid precautions ty ty
C. Standard precautions ty
D. Health-care personnel standards ty ty
ANS: C ty
DIF: Level 1
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OBJ: 1-4 ty
TOP: Blood-borne pathogens
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9. The Occupational Exposure to Blood-Borne Pathogens Standard is:
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A. A guideline developed by the Food and Drug Administration (FDA)
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B. Guidelines recommended by the Clinical and Laboratory Standards Institute (CLSI)
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C. AK guideline recommended by the Centers for Disease Control and Prevention (CDC)
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D. A law enforced by the Occupational Safety and Health Administration (OSHA)
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ANS: D ty
DIF: Level 1
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OBJ: 1-4 ty
TOP: Blood-borne pathogens
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10. AKlaboratory worker who observes a red hand rash after removing gloves should:
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A. Avoid wearing gloves for 2 days
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B. Wash the hands with antimicrobial soap
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C. Apply cortisone cream to the hands
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D. Avoid wearing latex gloves in the future
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ANS: D ty
DIF: Level 2
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OBJ: 5 ty