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Introduction to Immunology and Serology 2
  • Almira Coleen

  • 問題数 38 • 1/14/2025

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  • 1

    HIV has severely damaged the immune system. Rapid weight loss, prone to skin lesions, and they are immunocompromised. They are prone with other diseases like pneumonia and skin diseases

    Late stage of HIV – AIDS

  • 2

    Has been isolated from blood, serum, saliva, tears, urine, cerebrospinal fluid, amniotic fluid, breast milk, cervical secretions, and tissue of infected persons.

    HIV

  • 3

    The risk to healthcare workers, however, is primarily through exposure to blood.

    HIV

  • 4

    Can enter the body through all the same routes as the hepatitis viruses.

    HIV

  • 5

    Any accidental exposure to blood through needle stick, mucous membranes, or non-intact skin must be reported to a supervisor and a confidential medical examination must be started immediately.

    Post-Exposure Prophylaxis

  • 6

    Evaluation of the incident must begin immediately to ensure appropriate post exposure prophylaxis (PEP) is initiated within?

    24 hours

  • 7

    __________ are the most frequently encountered exposure in phlebotomy and place the phlebotomist in danger of contracting HIV, HBV, and HCV.

    Needle Sticks

  • 8

    PEP as recommended by the CDC: Draw a _______________ from the employee and test it for HBV, HCV, and HIV

    Baseline blood sample

  • 9

    PEP as recommended by the CDC: If possible, identify the _________ collect a blood sample, and test it for HBV, HCV, and HIV.

    Source patient

  • 10

    PEP as recommended by the CDC: Patient must usually give informed consent for these tests, and they do not become part of patient's record or court order can replace patient consent because a _______ is considered a significant exposure.

    Needle stick

  • 11

    PEP as recommended by the CDC: Testing must be completed within _________ for maximum benefit from PEP

    24 hours

  • 12

    SOURCE PATIENT TESTS POSITIVE FOR HIV: Employee is counseled about receiving PEP using __________ and one or two additional anti-HIV medications.

    Zidovudine (ZDV)

  • 13

    SOURCE PATIENT TESTS POSITIVE FOR HIV: Medications are started within ______.

    24 hours

  • 14

    SOURCE PATIENT TESTS POSITIVE FOR HIV: Employee is retested at intervals of?

    6 weeks, 12 weeks, and 6 months

  • 15

    SOURCE PATIENT TESTS POSITIVE FOR HIV: Is needed if the source patient is unidentified or untested.

    Additional evaluation and counseling

  • 16

    SOURCE PATIENT TESTS POSITIVE FOR HBV: Unvaccinated employees can be given __________.

    Hepatitis B immune globulin (HBIG) and HBV vaccine.

  • 17

    SOURCE PATIENT TESTS POSITIVE FOR HBV: Vaccinated employees are tested for immunity and receive _____, if necessary

    PEP

  • 18

    SOURCE PATIENT TESTS POSITIVE FOR HCV: No ____ is available

    PEP

  • 19

    SOURCE PATIENT TESTS POSITIVE FOR HCV: _________ is monitored for early detection of HCV infection and treated appropriately

    Employee

  • 20

    All students must adhere to the following safety precautions when using Serology-Immunology laboratory:

    Disinfect the tabletop with 10% hypochlorite solution before and after use, Consider each sample as an infectious material, Wear proper personal protective equipment (PPE) such as laboratory gowns, face masks, goggles and gloves

  • 21

    Observe proper disposal of the following: That are used in venipuncture must be disposed of in puncture-proof containers

    Needles

  • 22

    Observe proper disposal of the following: Must be disposed of in a yellow plastic bag

    Barrel of Syringe

  • 23

    Observe proper disposal of the following: Must be disposed of in a plastic container

    Tubes with clotted blood or serum

  • 24

    Observe proper disposal of the following: Needles and tubes should have separate containers properly labeled

    Sharps/Infectious

  • 25

    Observe the following steps when processing blood specimens to recover serum samples: Allow the ______ to clot completely before processing.

    Blood

  • 26

    Observe the following steps when processing blood specimens to recover serum samples: Balance the tubes in the _________.

    Centrifuge

  • 27

    Observe the following steps when processing blood specimens to recover serum samples: Enter the appropriate setting for ___________________.

    Rotations per minute (RPM) and time

  • 28

    Observe the following steps when processing blood specimens to recover serum samples: Always observe _____________ of specimens

    Proper labelling

  • 29

    All students must adhere to the following safety precautions when using Serology-Immunology laboratory: Practice proper _________ technique.

    Handwashing

  • 30

    All students must adhere to the following safety precautions when using Serology-Immunology laboratory:

    EATING IS NOT ALLOWED INSIDE THE LABORATORY!

  • 31

    All students must adhere to the following safety precautions when using Serology-Immunology laboratory: ________ any accident to the laboratory instructors.

    Report

  • 32

    Use of PPEs?

    Biosafety Level 1, Biosafety Level 2

  • 33

    Wearing of PPE

    Donning

  • 34

    Removal of PPE

    Doffing

  • 35

    Sequence: Hand Hygiene -> Wearing of PPE: Labgown > Facemask > Goggles > Gloves -> Perform laboratory experiment

    Donning

  • 36

    Sequence: 1. Removal of PPE: Gloves> Goggles>Labgown>Facemask 2. Hand hygiene 3. Disinfection of work area and proper disposal of waste

    Doffing

  • 37

    Wearing of PPE: Donning

    Labgown > Facemask > Goggles > Gloves

  • 38

    Wearing of PPE: Doffing

    Gloves > Goggles > Labgown > Facemask