Diseases and Immunity Quiz

What is a pathogen?

• A disease causing organism

• A type of bacteria

• A virus

• A type of immunity

What is a transmissible disease?

• A disease that cannot be passed from one host to another

• A disease in which the pathogen can be passed from one host to another

• A disease caused by genetic factors

• A disease that is always fatal

What role does the skin play in body defenses?

• It prevents pathogens from entering the body

• It produces antibodies

• It filters air

• It secretes mucus

What is the function of mucus in the respiratory system?

• Traps pathogens in trachea and bronchi

• Filters out bacteria

• Produces antibodies

• Prevents water loss

What is active immunity?

• Defense against a pathogen by antibody production in the body

• Immunity gained from another individual

• Immunity that lasts for a short time

• Immunity that is always present

What is passive immunity?

• Short-term defense against a pathogen by antibodies acquired from another individual

• Long-term immunity gained through vaccination

• Immunity that is developed after an infection

• Immunity that is always present

What is cholera?

• A disease caused by a bacterium transmitted in contaminated water

• A type of virus

• A genetic disorder

• A type of immunity