©THEBRIGHT EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Immunology Final Exam - Past Questions
With Verified Answers
If testing is not done within ____ hours of collection, a serum specimen should be frozen at -20C
- Answers✔72
A safety violation in this case study is: - Answers✔Not washing hands after removing gloves
Wearing a laboratory coat to do testing and then back home to wash it is: - Answers✔Never
acceptable
Single most common source of HIV virus in occupational setting is - Answers✔Blood
A risk factor for the development of the fungal infection in this child is: - Answers✔premature
birth
the first line of defense in protecting the body from infection includes all of the following except:
- Answers✔phagocytic leukocytes
Which of the following is NOT a microbiological waste: - Answers✔unfixed human tissue
Humoral components of adaptive immune response include: - Answers✔B lymphocytes
The definition of titer is the - Answers✔reciprocal of the last positive dilution
What is the dilution of the fifth tube in a 2-fold serial dilution when the first tube's dilution is
1:10? - Answers✔1:160
You have 0.5 ml of serum for your experiment. You need to make 1 ml of a 1:2 dilution. Do you
have enough? - Answers✔yes
The cell of the following cell types that is called a Kupfer cell when in the liver is -
Answers✔macrophage
An acute phase reactant involved in cardiac risk measurements is - Answers✔C-reactive protein
A pathogen associated molecular pattern is - Answers✔unmethylated DNA, ss RNA
the innate immune system uses - Answers✔PRR to recognize PAMP
1
, ©THEBRIGHT EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Which statement is correct - Answers✔Serum is formed after blood is allowed to clot
Which cell is very active in antigen presentation? - Answers✔dendritic cells
The cell of the following cells that has a specific regulatory subset is a - Answers✔T cell
One of the pathogen-associated molecular patterns is - Answers✔bacterial flagellin
A secondary lymphoid organ is - Answers✔tonsils
binds to mast cells - Answers✔IgE
first antibody produced - Answers✔IgM
highest in serum concentration - Answers✔IgG
highest in secretions - Answers✔IgA
maturational marker on B cells - Answers✔IgD
If a particular IgG molecule and IgM molecule have the same affinity, which would have a
higher avidity - Answers✔IgM
IgG, IgM, IgA, and IgE - Answers✔can bind the same antigen and have different Fc regions
Which of the following does not act as adjuvant? - Answers✔water
Protein A is a protein - Answers✔on the surface of Staph aureus, which binds immunoglobulin
All cells in the body can get infected, and when infected, a cell presents the antigen of the
infection. In which molecule does it present the antigen, and which type of cell responds? -
Answers✔class I molecule, CD8+ T cell
An antigen on an extracellular bacterium - Answers✔is presented after ingestion by an antigen-
presenting cell in a class II molecule after binding in the rough endoplasmic reticulum
Which of the following is the most immunogenic? - Answers✔the protein toxoid from tetanus
An adjuvant is - Answers✔a substance that can increase recruitment of cells to participate in an
immune response and cause slow release of the antigen
An alloantigen is - Answers✔an antigen from a different individual in your same species
Class I molecules are found on - Answers✔every nucleated cell in your body
Which of the following contains factors involved in immunogenicity? - Answers✔molecular
weight, foreignness, chemical complexity
An immunogen is a - Answers✔compound that is capable of eliciting an immune response in a
host
2
ALL RIGHTS RESERVED.
Immunology Final Exam - Past Questions
With Verified Answers
If testing is not done within ____ hours of collection, a serum specimen should be frozen at -20C
- Answers✔72
A safety violation in this case study is: - Answers✔Not washing hands after removing gloves
Wearing a laboratory coat to do testing and then back home to wash it is: - Answers✔Never
acceptable
Single most common source of HIV virus in occupational setting is - Answers✔Blood
A risk factor for the development of the fungal infection in this child is: - Answers✔premature
birth
the first line of defense in protecting the body from infection includes all of the following except:
- Answers✔phagocytic leukocytes
Which of the following is NOT a microbiological waste: - Answers✔unfixed human tissue
Humoral components of adaptive immune response include: - Answers✔B lymphocytes
The definition of titer is the - Answers✔reciprocal of the last positive dilution
What is the dilution of the fifth tube in a 2-fold serial dilution when the first tube's dilution is
1:10? - Answers✔1:160
You have 0.5 ml of serum for your experiment. You need to make 1 ml of a 1:2 dilution. Do you
have enough? - Answers✔yes
The cell of the following cell types that is called a Kupfer cell when in the liver is -
Answers✔macrophage
An acute phase reactant involved in cardiac risk measurements is - Answers✔C-reactive protein
A pathogen associated molecular pattern is - Answers✔unmethylated DNA, ss RNA
the innate immune system uses - Answers✔PRR to recognize PAMP
1
, ©THEBRIGHT EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Which statement is correct - Answers✔Serum is formed after blood is allowed to clot
Which cell is very active in antigen presentation? - Answers✔dendritic cells
The cell of the following cells that has a specific regulatory subset is a - Answers✔T cell
One of the pathogen-associated molecular patterns is - Answers✔bacterial flagellin
A secondary lymphoid organ is - Answers✔tonsils
binds to mast cells - Answers✔IgE
first antibody produced - Answers✔IgM
highest in serum concentration - Answers✔IgG
highest in secretions - Answers✔IgA
maturational marker on B cells - Answers✔IgD
If a particular IgG molecule and IgM molecule have the same affinity, which would have a
higher avidity - Answers✔IgM
IgG, IgM, IgA, and IgE - Answers✔can bind the same antigen and have different Fc regions
Which of the following does not act as adjuvant? - Answers✔water
Protein A is a protein - Answers✔on the surface of Staph aureus, which binds immunoglobulin
All cells in the body can get infected, and when infected, a cell presents the antigen of the
infection. In which molecule does it present the antigen, and which type of cell responds? -
Answers✔class I molecule, CD8+ T cell
An antigen on an extracellular bacterium - Answers✔is presented after ingestion by an antigen-
presenting cell in a class II molecule after binding in the rough endoplasmic reticulum
Which of the following is the most immunogenic? - Answers✔the protein toxoid from tetanus
An adjuvant is - Answers✔a substance that can increase recruitment of cells to participate in an
immune response and cause slow release of the antigen
An alloantigen is - Answers✔an antigen from a different individual in your same species
Class I molecules are found on - Answers✔every nucleated cell in your body
Which of the following contains factors involved in immunogenicity? - Answers✔molecular
weight, foreignness, chemical complexity
An immunogen is a - Answers✔compound that is capable of eliciting an immune response in a
host
2
