Chapter 18 Flashcards
Communicable disease
Disease that’s spread by another person, animal, object
Disease
Any condition that interferes with functioning of the body
Pathogens
Germs
Infection
When germs come in body multiply and cause problems
Viruses
Smallest pathogens
Bacteria
Tiny one-celled organisims
Fungi
Can’t make their own food, more complex than bacteria
Protozoa
One-celled, more complex than bacteria
Vector
Organism that transmits germs
Hygiene
Cleanliness
Immune system
Body defenses
Immunity
Body’s ability to resist germs
Inflammation
Pain heat swelling redness
Lymphatic system
Second circulatory system
Lymphocytes
White blood cells
Antigen
Bad guys
Antibodies
Good guys kill antigens
Vaccines
Preparation of dead or weak pathogens
Contagious period
Time where disease can be spread
Mononucleosis
Throat swells and is called the kissing disease
Hepatitis
Viral disease of the liver and causes yellowing of skin and whites of the eyes
Tuberculosis
Usually affects the lungs, is a bacterial disease
Pneumonia
Serious inflammation of the lungs
Strep throat
Sore throat caused by streptococcal bacteria
Sexually transmitted diseases
Infections spread by sexual contact
HIV
Causes AIDS
AIDS
Interferes with the body’s ability to fight infection
Opportunistic infection
Rarely occurs in a healthy person
Carrier
Looks healthy but has HIV and can give it to others
