Health Chapter 23

Match the following

• pathogen

• single-celled microorganisms that live almost everywhere on the earth

• infection

• a substance that kills cells or interferes with their function

• toxin

• a microorganism that causes disease

• virus

• a piece of genetic material surrounded by a protein coat

• bacteria

• a condition that occurs when pathogens in the body multiply and damage body cells

Match the following

• immunity

• the state of being protected against a particular disease

• lymphocyte

• a specialized white blood cell that coordinates many of the functions of specific immunity

• phagocyte

• a white blood cell that surrounds and destroys a pathogen

• antibody

• a preparation of dead or weakened pathogens that are introduced into the body to stimulate an immune response

• vaccine

• a protein that acts against a specific antigen

What is a communicable disease?

• a disease that is not contagious

• a disease that is spread from one living organism to another

• a disease that is not infectious

• a disease that is always spread by direct contact of organisms

What kind of pathogen causes the disease called athlete’s foot?

• fungi

• bacteria

• rickettsias

• protozoans

Which is NOT a way pathogens are spread through direct contact?

• touching

• puncture wounds

• sneezing

• being scratched by a pet

What is an organism that carries and transmits pathogens to humans or other animals?

• protozoan

• vector

• fungal spore

• droplet

Which is NOT a prevention strategy that will help a person reduce the risk of getting or spreading a communicable disease?

• Avoid sharing personal items.

• Eat well and exercise.

• Handle food properly.

• Wash your hands before handling pets.

The respiratory tract includes the

• stomach, liver, and pancreas.

• nose, throat, and lungs.

• eyes, ears, and nose.

• liver, lungs, and kidneys.

Which two respiratory infections are caused by viruses?

• tuberculosis and influenza.

• influenza and the common cold.

• the common cold and strep throat.

• strep throat and influenza.

Which is a bacterial disease that spreads through the air and attacks the lungs?

• Hep A

• strep throat

• tuberculosis

• influenza