Chapter 12 Flashcards
any condition that interferes with the normal or proper functioning of the body or mind
disease
a disease that can be spread to a person from another person, an animal, or object
communicable
organisms that are so small they can only be seen through a microscope
germs
germs that cause disease
pathogens
a condition that happens when pathogens enter the body, multiply, and cause harm.
infection
the smallest and simplest pathogens
viruses
simple one-celled organisms
bacteria
organisms that are more complex than bacteria but cannot make their own food.
fungi
one-celled organisms that are more complex than bacteria
protozoa
a combination of body defenses made up of the cells, tissues, and organs that fight pathogens in the body
immune system
the body’s response to injury or disease, resulting in a condition of swelling, heat and redness
inflammation
a secondary circulatory system that helps the body fight pathogens and maintains its fluid balance
Lymphatic system
special white blood cells in the blood and lymphatic
lymphocytes
substances that send the immune system into action
antigens
specific proteins that attach to antigens, keeping them from harming the body
antibodies
the ability to resist the pathogens that cause a particular disease
immunity
a preparation of dead or weakened pathogens that is introduced into the body to cause an immune response
vaccine
a communicable disease characterized by fever, chills, fatigue, headache, muscle aches, and respiratory symptoms
Influenza
the length of time that a particular disease can be spread from person to person
contagious period
a viral disease characterized by a sever sore throat and swelling off the lymph glands in the neck and around the throat area
mononucleosis
a viral disease characterized by an inflammation of the liver and 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
strep throat
cleanliness
Hygiene
infections that are spread from person to person through sexual contact
STD
a bacterial STD that may affect the reproductive organs, urethra, and anus
chlamydia
growths or bumps in the genital area caused by certain types of human papillomavirus (HPV)
genital warts
a viral STD that produces painful blisters on the genital area
genital herpes
a STD caused by the protozoan Trichomonas vaginalis
trichomoniasis
a bacterial STD that affects the mucous membranes of the body, particularly the genital area
gonorrhea
a bacterial STD that can affect many parts of the body
syphilis
a disease caused by the hepatitis B virus that affects the liver
hepatitis B
the virus that causes AIDS
HIV (human immunodeficiency virus)
a disease that interferes with the body’s ability to fight infection
AIDS (acquired immunodeficiency
