WorksheetsThe Body’s Defense System Quiz
Total questions: 30
Worksheet time: 15mins
What is the first line of defense in the immune system?
Antibodies
Lymph nodes
Skin and mucous membranes
White blood cells
Which type of immune system is the first response to infections?
Innate immune system
Adaptive immune system
Endocrine system
Lymphatic system
What do B cells transform into to secrete antibodies?
Natural killer cells
Helper T cells
Plasma cells
Macrophages
Which cells are responsible for long-term protection in the immune system?
Memory cells
Eosinophils
Neutrophils
Dendritic cells
What triggers an immune response?
Antibodies
Antigens
Histamine
Macrophages
What is the role of macrophages during the inflammatory response?
Secrete antibodies
Engulf microbes and signal other cells
Produce histamine
Destroy memory cells
Which phase of the immune response involves helper T cells multiplying?
Slowdown
Proliferation
Recognition
Elimination
What is adaptive immunity gained from?
Skin and mucous membranes
Infection or immunization
Antibodies
Histamine release
What does the lymphatic system do?
Secretes antibodies
Collects and filters lymph
Destroys pathogens
Produces histamine
What is the purpose of vaccines?
To produce histamine
To eliminate memory cells
To destroy pathogens
To prime the immune system to remember antigens
What is anaphylaxis?
A mild allergic reaction
A severe allergic reaction
A type of vaccine
A bacterial infection
What is the incubation period of a disease?
When symptoms are severe
When infection starts but no symptoms appear
When the immune system eliminates the pathogen
When the disease is no longer contagious
Which link in the chain of infection involves the microorganism causing disease?
Transmission
Portal of exit
Pathogen
Reservoir
What is a pandemic?
A sudden outbreak beyond expected levels
A regular presence in a region
A widespread, global outbreak
A mild allergic reaction
Which pathogen is responsible for diseases like pneumonia and strep throat?
Viruses
Bacteria
Protozoa
Fungi
Why should antibiotics not be taken unnecessarily?
They weaken the immune system
They increase the risk of allergies
They cause histamine release
They are ineffective against viruses
Which pathogen replicates inside host cells?
Fungi
Protozoa
Viruses
Bacteria
Which disease is caused by protozoa?
Tuberculosis
Athlete’s foot
Influenza
Malaria
What is a contributing factor to emerging infectious diseases?
Excessive hygiene
Drug resistance
Memory cells
Overuse of vaccines
What is an autoimmune disease?
A disease caused by viruses
A disease where the immune system attacks body tissues
A disease treated with antibiotics
A disease caused by bacteria
Which lifestyle habit supports the immune system?
Avoiding sleep
Skipping vaccinations
Drinking water
Ignoring hygiene
Which cells are part of the innate immune system?
T cells
B cells
Neutrophils
Memory cells
What is the role of helper T cells in the immune response?
Filter lymph
Secrete antibodies
Multiply during proliferation
Engulf microbes
Which type of vaccine uses weakened organisms?
Memory cell vaccine
Attenuated vaccine
Killed virus vaccine
Histamine vaccine
What is the role of histamine in allergies?
Filters lymph
Causes inflammation and swelling
Destroys pathogens
Produces antibodies
Which disease is caused by fungi?
Tuberculosis
Malaria
Influenza
Ringworm
What is the portal of entry in the chain of infection?
The microorganism causing disease
How the pathogen leaves the host
How the pathogen enters the new host
The natural environment of the pathogen
Which immune cells are responsible for destroying invaders during elimination?
Dendritic cells
Memory cells
Helper T cells
Killer T and B cells
What is the role of dendritic cells in the immune system?
Detect invaders during recognition
Secrete antibodies
Filter lymph
Cause inflammation
Which factor contributes to worsening allergies?
Climate change
Vaccination
Antibiotics
Memory cells
