IMMUNOLOGY (SEROLOGY) MEDICAL
LABORATORY FINAL EXAM
QUESTIONS AND CORRECT
ANSWERS (ALL GRADED A+)
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 - ANS -D. Immunoglobulin
Which region of the immunoglobulin molecule can bind to an antigen?
A.Fab
B.Fc
C.C1
D.CH - ANS -A. Fab
Which immunoglobulin appears in the highest titer in the secondary response?
A.IgG
B.IgM
C.IgA - ANS -A. IgG
,Which immunoglobulin can cross the placenta first in the primary immune system?
A.IgG
B.IgM
C.IgA
D.IgE - ANS -A. IgG
Which immunoglobulin cannot cross the placenta first in the primary immune system?
A.IgG
B.IgM
C.IgA
D.IgE - ANS -B. IgM
Which immunoglobulin is transferred to the fetus by the mother.
A.IgG
B.IgM
C.IgA
D.IgE - ANS -B. 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 - ANS -D. 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 - ANS -B. 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 - ANS -B. 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 - ANS -C. 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
LABORATORY FINAL EXAM
QUESTIONS AND CORRECT
ANSWERS (ALL GRADED A+)
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 - ANS -D. Immunoglobulin
Which region of the immunoglobulin molecule can bind to an antigen?
A.Fab
B.Fc
C.C1
D.CH - ANS -A. Fab
Which immunoglobulin appears in the highest titer in the secondary response?
A.IgG
B.IgM
C.IgA - ANS -A. IgG
,Which immunoglobulin can cross the placenta first in the primary immune system?
A.IgG
B.IgM
C.IgA
D.IgE - ANS -A. IgG
Which immunoglobulin cannot cross the placenta first in the primary immune system?
A.IgG
B.IgM
C.IgA
D.IgE - ANS -B. IgM
Which immunoglobulin is transferred to the fetus by the mother.
A.IgG
B.IgM
C.IgA
D.IgE - ANS -B. 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 - ANS -D. 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 - ANS -B. 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 - ANS -B. 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 - ANS -C. 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
