Chapter 4.3 Introducing Diseases Flashcards
___ are the tiniest pathogens
VIRUSES
Diseases caused by pathogens are called ___ diseases
INFECTOUS
____ diseases are not caused by pathogens
NONINFECTOUS
____ diseases are the ones that a person is born with
CONGENITAL
_____, which is caused by the human immunodeficiency virus (HIV), attacks the immune system and prevents the body from fighting pathogens
AIDS
____ are the most common diseases affecting the immune system
ALLERGIES
____ are substances that a body reacts to
ALLERGENS
The leading cause of death in the US is _____ disease which affects the heart or blood vessels
CARDIOVASCULAR
a ____ ____ occurs when the coronary arteries become blocked
HEART ATTACK
_____ is a build up of fatty deposits in any of the body’s arteries that eventually prevents the flow of blood
ATHEROSCLOROSIS
______ ____ disease, which is atherosclerosis of the coronary arteries, is a major cause of heart attack
CORONARY ARTERY
_____ occur when the heart beats abnormally
ARRYTHMIAS
_____, which can attack any part of the body, occurs when some cells begin to divide and grow at an abnormally fast pace and take over the nutrients that normal cells need
CANCER
As the abnormal cells multiply and spread, a lump of cancerous tissue called a _____ ____ develops. _____ ___s can spread to other parts of the body.
MALIGNANT TUMOR
The process when the malignant tumors spread to other parts of the body is called ____
METASTASIS
____ is a treatment using chemicals or drugs to destroy the cancerous cells
CHEMOTHERAPY