Worksheets5.2 Immune System Defences
Total questions: 17
Worksheet time: 10mins
What is the body's first line of defense against disease?
skin
blood
antibodies
enzymes
An agent that causes a disease is a...
Pathogen
Coronavirus
Antigen
Leukocyte
This type of immunity can be called nonspecific and refers to the bodies defenses that are present since birth.
resistance
adaptive immunity
acquired immunity
innate immunity
This type of immunity is acquired during one's lifetime. It is induced by antigens that invade the body.
innate immunity
adaptive immunity
nonspecific immunity
normal microbiota
This system learns about different pathogens over time. It takes longer to respond and has specific responses for different types of pathogens
innate immune system
adaptive immune system
The adaptive immune response involves specialized white blood cells called lymphocytes which are also known as
platelets.
macrophages.
B and T cells.
What is the body's first line of defence against infection?
Physical barriers
White blood cells
Blood plasma
Red blood cells
Which of the following are examples of innate (non-specific) immunity?
Skin forms a physical and antiseptic barrier to pathogens
Leukocytes detect the antigens of the E.coli bacterium and produce antibodies
Macrophages engulf bacterial cells at the site of infection
The body produces large numbers of memory cells with specific antibodies
When is passive immunity developed?
After a baby's first vaccination
After a baby's first bacterial infection
Before birth
After a baby's first dose of antibiotics
