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WorksheetsMI 1.1.4a Immune System & Antibodies
Total questions: 20
Worksheet time: 10mins
Without an immune system, we would have no way to fight harmful things that enter our body from the outside or harmful changes that occur inside our body.
True
False
What are antigens?
Harmful substances that the body recognizes as its own
Substances that the body doesn’t recognize as its own
Cells that help in digestion
Proteins that regulate body temperature
Which part of the immune system is innate and which part is adaptive?
Innate: Non-specific, Adaptive: Specific
Innate: Specific, Adaptive: Non-specific
Innate: Adaptive, Adaptive: Non-specific
Innate: Non-specific, Adaptive: Non-specific
What is the main job of the innate immune system?
To fight harmful substances and germs that enter the body
To produce antibodies
To remember past infections
To adapt to new bacteria and viruses
What are antibodies?
Proteins that protect against unwanted substances
Cells that eat harmful germs
Molecules on the surface of antigens
Toxins produced by bacteria
Which of the following is NOT a location where antibodies are found?
Skin
Lungs
Hair
Saliva
When activated B cells multiply, what do they produce?
Plasma cells
Antigens
Histamines
T lymphocytes
Which is an example of specific immunity?
inflammation
Sneezing
Fever
Memory Cells
Which cells are primarily responsible for producing antibodies?
T cells
B cells
Macrophages
Neutrophils
What is the role of helper T cells in the immune response?
To produce antibodies
To activate B cells and cytotoxic T cells
To engulf pathogens
To produce histamines
Which of the following is a characteristic of the adaptive immune system?
Immediate response
Memory formation
Non-specific defense
Physical barriers
All cells and virus particles have molecules on their outer surface called (a)
What is the name of white blood cells that have molecules on their surface to fit an antigen?
memory cells
lymphocytes
red blood cells
fighter white blood cells
Proteins called _______ can attach to the antigen and make it useless.
antigen
antibodies
B cells
T cells
Antibodies are
immunoglobulins
carbohydrates
lipids
Antibody structure is commonly
Z shaped
Y shaped
W shaped
T shaped
Any organism that causes disease like a virus or bacteria is called:
Antibiotics
Antibody
Pathogen
Phagocyte
A white blood cell that destroys pathogens by engulfing them and breaking them down is called:
B-cell
Phagocyte
Antibody
Antigen
A lymphocyte that identifies pathogens and distinguishes one from another:
T-cell
B-cell
A-cell
Z-cell
