lesson 1-5 Flashcards
a viral disease characterized by a severe sore throat and swelling of the lymph glands in the neck and around the throat area
mononucleosis
the length of time that a particular disease can be spread from person to person
contagious period
a viral disease of the liver characterized by yellowing of the skin and whites of eyes
hepatitis
bacterial disease that usually affects the lungs
tuberculosis
a serious inflammation of the lungs
pneumonia
a sore throat caused by streptococcal
strep throat
infections that are spread from person to person through sexual contact
sexually transmitted diseases (STDS)
the virus that causes AIDS
(human immunodeficiency virus) HIV
a dangerous disease that interferes the bodies natural ability to fight infections
(acquired immunodeficiency syndrome) AIDS
an infection that rarely occurs in healthy people
opportunistic infection
a person who appears healthy, butis infected with HIV and can pass it to others
carrier
any condition that can be interferes with proper functioning of the body and mind
disease
a disease that can be passed to a person from another person, animal, or object
communicable diseases
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-cel led organisms
bacteria
organisms that are more complex than bacteria but cannot make their own food
fungi
one-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 the cells tissues and organs that fight off pathogens and disease
immune system
your bodies ability to resist he 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 he body fight pathogens and maintains its fluid balence
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 away from harming the body
antibodies
a preparation of dead or weakened pathogens that cause the immune system to produce antibodies
vaccine
