Human Immune System

Which of the following is NOT a step in the process of phagocytosis?

• White blood cell moves towards the pathogen

• White blood cell changes its shape

• Pathogen releases enzymes

• Harmless particles are released

What type of response is the third line of defence?

• Non-specific

• Immediate

• Highly specific

• Physical barrier

Which system is part of the third line of defense?

• Circulatory System

• Lymphatic System

• Digestive System

• Respiratory System

Which type of immunity is provided by vaccines?

• Naturally

• Artificially

• Passively

• Actively

What is the role of the skin in preventing infections?

• Produces antibodies

• Acts as a tough outer barrier and produces antibacterial substances

• Secretes lysozymes

• Produces mucus

What is the function of the thick layer of mucus in your throat, stomach and nose?

• To produce antibodies

• To trap pathogens

• To secrete lysozymes

• To produce saliva

In learning about the body systems, it is important to know the major structures and functions.

Which of the following structures are part of the human immune system?

• insulin

  adrenaline

  skin

• white blood cells

  lymph

  skin

• insulin

  lymph

• white blood cells

  adrenaline

Reorder the following steps in a human's immune response.

• Barriers such as skin and cilia.

• Swelling at the site of infection.

• Destruction of foreign invader (pathogen).

• Antibody creation by white blood cells.

Which structure is made by the human immune system to fight a pathogen?

• the antibody

• the antigen

• the pathogen

Organ transplants will cause an immune response in the body because...

• red blood cells will be prevented from carrying oxygen.

• antibiotics will be produced that cause blood clotting.

• white blood cells will react to the foreign antigens on the organ.

• the organ prevents antibodies from being made.