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Immunology (Serology) Medical Laboratory Final Exam questions with correct answers 2024/2025
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Immunology (Serology) Medical Laboratory Final Exam questions with correct answers 2024/2025
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Immunology (Serology) MedicalLaboratory Final Exam
From the following, identify a specific component of the adaptive immune system that is formed
in response to antigenic stimulation:
A.lysozyme
B.complement
C.commensal organisms
D.immunoglobulin - ANSD. Immunoglobulin
Which region of the immunoglobulin molecule can bind to an antigen?
A.Fab
B.Fc
C.C1
D.CH - ANSA. Fab
Which immunoglobulin appears in the highest titer in the secondary response?
A.IgG
B.IgM
C.IgA - ANSA. IgG
Which immunoglobulin can cross the placenta first in the primary immune system?
A.IgG
B.IgM
C.IgA
D.IgE - ANSA. IgG
Which immunoglobulin cannot cross the placenta first in the primary immune system?
A.IgG
B.IgM
C.IgA
D.IgE - ANSB. IgM
Which immunoglobulin is transferred to the fetus by the mother.
A.IgG
B.IgM
C.IgA
D.IgE - ANSB. IgG
, What type of B cells are formed after antigen stimulation?
A. Receptor Activated B cells
B. Antigen Dependent B cells
C. Mature B Cells
D. Plasma cells and memory B cells - ANSD. Plasma cells and memory B cells
What is the name of the process by which phagocytic cells are attracted toward a substance
such as a bacterial peptide?
A. Diapedesis
B. Chemotaxis
C. Phagocytosis
D. Degranulation - ANSB. Chemotaxis
what has happened in a titer.if tubes numbered 5 - 7 show stronqer reaction than tube in 1 - 4?
A. Post-zone Reaction
B. Prozone Reaction
C. Hypoparathyrhodism
D. Diabetic Ketoacidosis - ANSB. Prozone reaction
The directions for a slide agglutination test instruct that after mixing the patient's serum and
latex particles the slide must be rotated for 2 minutes. What would happen if the slide were
rotated for 10 minutes?
A. Possible false-Negative result
B. False Negative
C. Possible false-positive result
D. False Positive - ANSC. Possible false-positive result
Which serum antibody response usually characterizes the primary (early) stage of syphilis?
A. Detected 1-3 weeks after appearance of the primary chancre
B. Detected 4-6 weeks after appearance of the primary chancre
C. Detected 8 weeks after appearance of the primary chancre
D. Detected 12 weeks after appearance of the primary chancre - ANSA. Detected 1-3 weeks
after appearance of the primary chancre
Which specimen is the sample of choice to evaluate latent or tertiary syphilis?
A. Blood
B. CSF
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