Understanding the Immune System: A Quiz

What is the primary function of the immune system?

• To provide energy to the body

• To support growth and development

• To protect the body from pathogens

• To regulate body temperature

Which of the following is considered the body's first line of defense?

• Antibodies

• Vaccines

• Skin and mucous membranes

• White blood cells

Which of the following is a nonspecific defense mechanism?

• Antibodies

• Cytotoxic T cells

• Skin

• Memory B cells

What role does histamine play in the immune response?

• It directly kills pathogens

• It cools down the body

• It causes blood vessels to dilate and become leakier

• It helps in digestion

What triggers the release of histamine during an inflammatory response?

• Sleeping

• Physical exercise

• Consumption of food

• Injury or infection

Tags

NGSS.HS-LS1-3

What is the function of cytotoxic T cells in the immune system?

• They stimulate the production of histamine

• They destroy infected cells

• They remember past infections

• They produce antibodies

Which cells are involved in the humoral immune response?

• Nerve cells

• Skin cells

• B cells

• Macrophages

What is the purpose of vaccines in relation to the immune system?

• To introduce a pathogen to trigger an immune response

• To weaken the immune system

• To provide immediate cure to diseases

• To introduce memory cells

What is the role of antibodies in the immune system?

• To provide nutrients to cells

• To bind to antigens and deactivate pathogens

• To regulate body temperature

• To produce histamine

How do memory cells contribute to the immune system?

• They provide immediate energy

• They remember past pathogens and enhance future responses

• They cool the body during fever

• They digest food