Introduction to the Immune System-16-22

What are the components of the immune system?

• Muscles, bones, skin, eyes

• Red blood cells, liver, kidneys, heart

• White blood cells, platelets, lymph nodes

• Brain, lungs, stomach, intestines

Where does the development of all cells of the immune system initiate?

• Lungs

• Bone marrow

• Brain

• Liver

What is the main purpose of the innate immunity?

• To regulate body temperature

• To provide long-term protection against specific pathogens

• To immediately prevent the spread and movement of foreign pathogens throughout the body

• To produce antibodies to fight infections

What are the physical barriers of the innate immunity?

• Liver and kidneys

• Heart and stomach

• Skin and mucous membranes

• Brain and lungs

What is the pH of the skin's surface?

• 7

• 8

• 3 to 5

• 10

What enzyme is present in sweat that digests bacterial cell walls?

• Lipase

• Amylase

• Lysozyme

• Protease

What do epithelial cells produce to defend against pathogens?

• Neurotransmitters

• Enzymes

• Hormones

• Antibodies

What are normal flora?

• Pathogenic microorganisms

• Non-pathogenic microorganisms

• Viruses

• Fungi

What is the purpose of the rapid response of the innate immune system?

• To immediately prevent the spread and movement of foreign pathogens throughout the body

• To provide long-term protection against specific pathogens

• To regulate body temperature

• To produce antibodies to fight infections

What are the organs of the immune system?

• Stomach, intestines, kidneys

• Brain, muscles, skin

• Heart, liver, lungs

• Lymph nodes, spleen, thymus, bone marrow