Chapter 18 Flashcards
(29 cards)
A disease that can be passed to a person from another person, animal, or object
Communicable disease
Any condition that interferes with the proper functioning of your body or mind
Disease
Disease-causing organisms that are so small they can only be seen through a microscope
Pathogens
A condition that occurs when pathogens enter the body, multiply, and cause harm
Infection
The smallest pathogens
Viruses
Tiny one-called organisms
Bacteria
Organisms that are more complex than bacteria but cannot make their own food
Fungi
On-called organisms that are more complex than bacteria
Protozoa
An organism, such as an insect, that transmits pathogens
Vector
Cleanliness
Hygiene
A combination of body defenses made up of cells, tissues, and organs that fight off pathogens and disease
Immune system
Your body’s ability to resist the germs that cause a particular disease
Immunity
The body’s response to injury or disease, resulting in a condition of swelling, pain, heat, and redness
Inflammation
A secondary circulatory system that helps the body fight pathogens and maintains it’s fluid balance
Lymphatic system
The white blood cells in the lymphatic system
Lymphocytes
Any substance released by invading pathogens
Antigen
Proteins that attach to antigens, keeping them from harming the body
Antibodies
A preparation of dead or weakened pathogens that causes the immune system to produce antibodies
Vaccine
The length of time that a particular disease can be spread from person to person
Contagious period
A viral disease characterized by a severe sore throat and swelling of the lymph glands in the neck and around the throat area
Mononucleosis
A viral disease of the liver characterized by yellowing of the skin and the whites of the eyes
Hepatitis
A bacterial disease that usually affects the lungs
Tuberculosis
A serious inflammation of the lungs
Pneumonia
A sore throat caused by streptococcal bacteria
Strep throat
