Quiz on pgs 221-233 Flashcards
An animal that transmits infection
Vector
When pathogens enter the body of a human and grow there
Infection
disease spreads rapidly and extensively among a population
Epidemic
Hungarian doctor, first physician to realize that handwashing prevented the spread of diseases among patients in hospitals
Ignaz Semmelweis
(leukocytes) do the work of protecting your body against invaders
White blood cells
substance that stimulates your body to develop an acquired immunity to a disease.
vaccine
roam through your tissues and body cavities, engulfing and disposing of any bacteria, viruses, and cellular debris they encounter
Phagocytes
causes the blood vessels to dilate and become more permeable
Histamine
tells nearby uninfected cells to produce antiviral compounds that protect them from becoming infected by the virus
Interferon
Y shaped protein molecules that act like molecular homing missiles
Antibodies
lymph node groups located in the intestinal wall of the ileum (the lower part of the small intestine). They work to protect that digestive area from pathogens
Peyer’s patches
body’s largest lymph organ, about the size of your fist and is located beneath the diaphragm just behind the stomach
Spleen
elevated body temperature
Fever
one of the most inconspicuous lymphatic organs, located between the lungs, above the heart
Thymus
enzymes that kill bacteria by destroying their cell walls
Lysozymes
resistance to a pathogen
Immunity
results from circulating antibodies or memory cells
acquired immunity
results from factors other than the presence of antibodies and memory cells; some of these factors include heredity, health of the immune system, diet, and exercise
Innate immunity
the immune system breaks down
immune deficiency
(acquired immune deficiency syndrome) serious disease that affects the immune system, destroying the body’s ability to fight diseases
AIDS
(human immunodeficiency virus) type of RNA makes DNA copies of its genetic material and inserts these copies into a host cell’s DNA
HIV
treatment that uses a person’s immune system to eliminate cancer
Immunotherapy
can refer to any procedure in which chemical compounds are used to treat a disease
Chemotherapy
substances produced by bacteria, molds, and certain other organisms that are effective in stopping the growth of microorganisms
Antibiotics
produce antibodies
Lymphocytes
originates in the plasma of blood; provides cells with an environment that helps maintain a proper balance of water and electrolyte concentration
tissue fluid
works as a drainage and sanitation system for tissue fluid
lymphatic system
produce antibodies
Lymphocytes
originates in plasma of blood; provides cells with an environment that helps maintain a proper balance of water and electrolyte concentration
tissue fluid
collection of extra fluid that drains from cells and tissues in your body and isn’t reabsorbed into your capillaries
Lymph
great lymphatic vessel that empties lymph into one of the subclavian veins
lymph ducts
located along the lymph vessel network but are numerous in certain areas (armpits, groin, and neck)
Lymph nodes
accumulations of lymph nodes in throat that protect that entrance to the body
Tonsils & adenoids
lymphatic system- works as a drainage and sanitation system for tissue fluid
