# 1pilihan
What is the primary function of the acquired immune response?
To produce antibodies
To provide immediate defense against infections
To remember pathogens for faster response upon re-exposure
To create physical barriers against pathogens
Acquired Immune Response(copy)
MASPAITILLA MA
Perlawanan berpasukan
Universiti
Sains
Acquired Immune Response(copy)
39
Universiti
Sains
Acquired Immune Response(copy)
39
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# 2pilihan
Which of the following cells is primarily involved in the acquired immune response?
Red blood cells
B lymphocytes
Platelets
Macrophages
# 3pilihan
What are antibodies?
Cells that engulf pathogens
Proteins that neutralize antigens
Lipids that store energy
Nucleic acids that store genetic information
# 4pilihan
Which part of the immune system is responsible for the memory aspect of acquired immunity?
Memory B cells
Cytotoxic T cells
Helper T cells
Natural killer cells
# 5pilihan
What role do T cells play in the acquired immune response?
They produce antibodies
They assist B cells and directly kill infected cells
They form physical barriers
They produce red blood cells
# 6pilihan
Which molecule is primarily responsible for antigen recognition by B cells?
Antigens
MHC molecules
Antibodies
Cytokines
# 7pilihan
Which type of T cell is primarily involved in helping B cells produce antibodies?
Cytotoxic T cells
Helper T cells
Regulatory T cells
Natural killer cells
# 8pilihan
How does the acquired immune system differentiate between self and non-self?
Through physical barriers
By producing antibodies
Through recognition of specific antigens
By using MHC molecules to present antigens
# 9pilihan
What is the result of a failure in the acquired immune system to distinguish self from non-self?
Autoimmune diseases
Allergies
Immunodeficiency
Cancer
# 10pilihan
What is the primary function of the humoral immune response?
To produce antibodies against pathogens
To destroy infected host cells
To activate the complement system
To mediate allergic reactions
# 11pilihan
Which type of lymphocyte is primarily responsible for the humoral immune response?
B cells
T cells
Natural killer cells
Macrophages
# 12pilihan
What role do antibodies play in the humoral immune response?
They directly kill pathogens
They neutralize and mark pathogens for destruction
They activate T cells
They produce cytokines
# 13pilihan
Which antibody is the most abundant in the bloodstream during a primary immune response?
IgA
IgG
IgM
IgE
# 14pilihan
What is the role of memory B cells in the humoral immune response?
To immediately fight off infections
To remember past infections and respond faster upon re-exposure
To activate T cells
To produce cytokines
# 15pilihan
Which component of the immune system helps antibodies by forming a membrane attack complex?
Complement system
T cells
B cells
Cytokines
# 16pilihan
Which of the following is a primary lymphoid organ involved in B cell maturation?
Thymus
Bone marrow
Spleen
Lymph nodes
# 17pilihan
What type of cells are primarily responsible for the cell-mediated immune response?
B cells
T cells
Macrophages
Neutrophils
# 18pilihan
Which subtype of T cells is primarily involved in directly killing infected cells?
Helper T cells
Cytotoxic T cells
Regulatory T cells
Memory T cells
# 19pilihan
How do T cells recognize infected cells?
Through antibodies
Via cytokines
By antigen presentation on MHC molecules
Through complement proteins
# 20pilihan
Which molecule type is crucial for T cell activation?
Cytokines
Antibodies
Lipids
Carbohydrates
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