PIONEER: ISBB POST-LECTURE EXAM
PIONEER: ISBB POST-LECTURE EXAM NEWEST 2025/2026
COMPLETE 200 QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND NEW VERSION!!
If the interval between heating serum for the VDRL test and testing exceeds 4
hours, the serum should be reheated at:
A. 37'C for 15 minutes
B. 56'C for 15 minutes
C. 37'C for 30 minutes
D. 56'C for 10 minutes - ANSWER-D. 56'C for 10 minutes
Presence of Anti-TSH Receptor antibody is indicative of:
A. Graves
B. Hashimoto's
C. Autoimmune Hepatitis
D. Type 1 DM - ANSWER-A. Graves
Cold agglutinins may develop after infection with:
A. Klebsiella pneumoniae
B. Streptococcus pneumoniae
C. Mycoplasma pneumoniae
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, PIONEER: ISBB POST-LECTURE EXAM
D. Haemophilus influenzae - ANSWER-C. Mycoplasma pneumoniae
In a positive control for complement fixation test, what should occur?
A. no hemolysis
B. hemagglutination
C. hemolysis
D. fluorescence - ANSWER-A. no hemolysis
Which immunoglobulin appears first in the primary immune response?
A. IgG
B. IgM
C. IgA
D. IgE - ANSWER-B. IgM
A positive Davidson heterophile antibody test:
A. shows hemolysis
B. differentiated the three types of heterophile antibody test
C. indicates the presence of typhoid fever
D. detects specific EBV antibodies - ANSWER-B. differentiated the three types of
heterophile antibody test
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, PIONEER: ISBB POST-LECTURE EXAM
All of the following are proteins in the alternative pathway, EXCEPT:
A. C3
B. Properdin
C. C4
D. Factor D - ANSWER-C. C4
A test used to detect total serum IgE:
A. Percutaneous skin test
B. Intradermal test
C. RIST
D. ELISA - ANSWER-C. RIST
Low molecular weight substance, hast the ability to react with corresponding
antibody but not able to stimulate antibody production:
A. immunogen
B. antigen
C. hapten
D. all of the choices - ANSWER-C. hapten
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, PIONEER: ISBB POST-LECTURE EXAM
Which of the following is a proteolytic enzyme that fragments an antibody into 3
components?
A. Papain
B. Anaphylatoxin
C. properdin
D. zymogen - ANSWER-A. Papain
A streptococcal extracellular product that dissolves fibrin clot is:
A. streptokinase
B. streptolysin O
C. DNAse B
D. hyaluronidase - ANSWER-A. streptokinase
In the structure of immunoglobulins, where is the antigen-binding site located?
A. carboxy-terminal or constant region
B. amino terminal or variable region
C. disulfide bond
D. all of the above choices - ANSWER-B. amino terminal or variable region
The rapid plasma reagin test is rotated at what speed for what length of time?
4|Page
PIONEER: ISBB POST-LECTURE EXAM NEWEST 2025/2026
COMPLETE 200 QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND NEW VERSION!!
If the interval between heating serum for the VDRL test and testing exceeds 4
hours, the serum should be reheated at:
A. 37'C for 15 minutes
B. 56'C for 15 minutes
C. 37'C for 30 minutes
D. 56'C for 10 minutes - ANSWER-D. 56'C for 10 minutes
Presence of Anti-TSH Receptor antibody is indicative of:
A. Graves
B. Hashimoto's
C. Autoimmune Hepatitis
D. Type 1 DM - ANSWER-A. Graves
Cold agglutinins may develop after infection with:
A. Klebsiella pneumoniae
B. Streptococcus pneumoniae
C. Mycoplasma pneumoniae
1|Page
, PIONEER: ISBB POST-LECTURE EXAM
D. Haemophilus influenzae - ANSWER-C. Mycoplasma pneumoniae
In a positive control for complement fixation test, what should occur?
A. no hemolysis
B. hemagglutination
C. hemolysis
D. fluorescence - ANSWER-A. no hemolysis
Which immunoglobulin appears first in the primary immune response?
A. IgG
B. IgM
C. IgA
D. IgE - ANSWER-B. IgM
A positive Davidson heterophile antibody test:
A. shows hemolysis
B. differentiated the three types of heterophile antibody test
C. indicates the presence of typhoid fever
D. detects specific EBV antibodies - ANSWER-B. differentiated the three types of
heterophile antibody test
2|Page
, PIONEER: ISBB POST-LECTURE EXAM
All of the following are proteins in the alternative pathway, EXCEPT:
A. C3
B. Properdin
C. C4
D. Factor D - ANSWER-C. C4
A test used to detect total serum IgE:
A. Percutaneous skin test
B. Intradermal test
C. RIST
D. ELISA - ANSWER-C. RIST
Low molecular weight substance, hast the ability to react with corresponding
antibody but not able to stimulate antibody production:
A. immunogen
B. antigen
C. hapten
D. all of the choices - ANSWER-C. hapten
3|Page
, PIONEER: ISBB POST-LECTURE EXAM
Which of the following is a proteolytic enzyme that fragments an antibody into 3
components?
A. Papain
B. Anaphylatoxin
C. properdin
D. zymogen - ANSWER-A. Papain
A streptococcal extracellular product that dissolves fibrin clot is:
A. streptokinase
B. streptolysin O
C. DNAse B
D. hyaluronidase - ANSWER-A. streptokinase
In the structure of immunoglobulins, where is the antigen-binding site located?
A. carboxy-terminal or constant region
B. amino terminal or variable region
C. disulfide bond
D. all of the above choices - ANSWER-B. amino terminal or variable region
The rapid plasma reagin test is rotated at what speed for what length of time?
4|Page
