WorksheetsLines of Defence
Total questions: 20
Worksheet time: 10mins
Which lines of defence involve non-specific responses?
First and second lines of defence
Third line of defence
Only the first line of defence
Only the second line of defence
What process do phagocytes use to engulf and destroy pathogens?
Phagocytosis
Photosynthesis
Mitosis
Osmosis
What does the lymphatic system contain?
Lymph
Red blood cells
Platelets
Neurons
What role do T lymphocytes play in the third line of defence?
They directly attack infected cells.
They produce antibodies.
They act as a barrier to pathogens.
They engulf and digest pathogens.
What is the primary function of the lymphatic system?
Transport oxygen
Regulate body temperature
Remove waste products
Maintain fluid balance
Which cells are responsible for producing antibodies?
B lymphocytes
T lymphocytes
Macrophages
Neutrophils
What is the role of the second line of defence in the immune system?
To produce antibodies
To create a physical barrier
To initiate an inflammatory response
To directly attack pathogens
What is the main component of lymph?
Red blood cells
White blood cells
Plasma
Platelets
Which type of immunity is provided by vaccines?
Innate immunity
Passive immunity
Active immunity
Natural immunity
What is the primary function of macrophages in the immune system?
To produce antibodies
To engulf and digest pathogens
To transport oxygen
To regulate body temperature
Which type of cells are primarily involved in the inflammatory response?
Neutrophils
B lymphocytes
Red blood cells
Platelets
What is the role of helper T cells in the immune response?
To produce antibodies
To assist in the activation of B cells
To engulf pathogens
To create a physical barrier
Which best distinguishes an infectious disease from a noninfectious disease?
Infectious diseases can be cured with antibiotics; noninfectious diseases cannot.
Infectious diseases can be prevented with vaccines; noninfectious diseases cannot.
Infectious diseases can be spread from one organism to another; noninfectious diseases cannot.
Infectious diseases cannot be transmitted from one organism to another; noninfectious diseases can.
Select the antibody that can bind to the pathogen shown in the diagram
A
B
C
D
White blood cells are an important part of the human immune response. Two types of white blood cells, neutrophils and macrophages, act as phagocytes. Phagocytes perform which of the following functions in the human body?
They produce antibodies.
They bind to antigens and develop into B cells
They form a barrier against pathogens.
They engulf and destroy bacteria.
Substances formed by the human body in response to foreign proteins entering the body are called:
antigens
antibodies
platelets
red blood cells
Some white blood cells recognize specific __________ as foreign molecules.
antibodies
allergies
platelets
antigens
Inflammation after a mosquito bites your skin is an example of an immune response.
True
False
The body's FIRST lines of defense include:
B cells
Mucous Membranes
Macrophages
Leukocytes
Which of the following is NOT microorganism that can enter our body?
Bacteria
Virus
Fungus
Protozoa
Earthworm
